# WRS Dosing Pump

> Chemical Dosing Manufacturer


## Pages

- [Hydraulic Diaphragm Dosing Pump](https://wrsdosing.com/chemical-dosing-pump/hydraulic-diaphragm-dosing-pump/): Precision Double Hydraulic Diaphragm Dosing Pump for hazardous applications. A heavy-duty dosing pump for applications up to 400 Bars!
- [Piston Dosing Pump](https://wrsdosing.com/chemical-dosing-pump/piston-dosing-pump/): Precision Piston Dosing Pump for High-Pressure Applications. A heavy-duty chemical dosing pump for applications pumping up to 400 Bar!
- [Complete Modular Water Treatment Plant Solutions](https://wrsdosing.com/complete-modular-water-treatment-plant-solutions/): Avoid costly construction delays with our reliable modular water treatment plants. We design, build, and ship complete plug-and-play systems for you.
- [Skid-Mounted Chemical Systems](https://wrsdosing.com/skid-mounted-chemical-systems/): Upgrade your plant with reliable skid-mounted chemical systems. Explore custom dosing skids, PAM preparation, and acid dilution units engineered by WRS.
- [Chemical Dosing Mixers](https://wrsdosing.com/chemical-dosing-mixers/): Complete your injection setup with our reliable chemical dosing mixers. Explore durable top-mounted tank agitators and custom inline static mixers today.
- [Water Quality Monitoring Systems](https://wrsdosing.com/water-quality-monitoring-systems/): Discover smart water quality monitoring systems built for every industry. Browse our controllers, precision probes, and advanced analyzers today.
- [Chemical Dosing Pump](https://wrsdosing.com/chemical-dosing-pump/): Loading... A NEW WAY OF CHEMICAL DOSING Digitalize your chemical dosing process with WRS SMART digital dosing pumps. Chemical Dosing...
- [SMART Digital Dosing Pump](https://wrsdosing.com/chemical-dosing-pump/smart-digital-dosing-pump/): WRS Flagship diaphragm dosing series. The SMART Digital Diaphragm Dosing Pump allow users to have more control and better dosing accuracy.
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- [EMG Models Dosing Pump](https://wrsdosing.com/motor-driven-dosing-pumps/emg-models/): EMG series metering pump can transport temperature -15 ℃ ~ 60 ℃, viscosity 0.3 ~ 1000cps corrosive or non-corrosive liquid which does not contain solid particles.
- [Solenoid Driven Dosing Pump - EML Models](https://wrsdosing.com/solenoid-driven-dosing-pumps/eml-models/): EML Model Solenoid Driven Metering Pump by WRS. Microprocessor controlled solenoid diaphragm pump with changeable frequency
- [Metering Pumps Manufacturer and Supplier](https://wrsdosing.com/metering-pumps-manufacturer-and-supplier/): Metering Pump Manufacturers & Suppliers. WRS experts reliable and well established manufacturer and supplier of metering pumps worldwide. Contact us
- [Metering Pumps Used In Hotels And Resorts](https://wrsdosing.com/market-segment/metering-pumps-used-in-hotels-and-resorts/): Metering Pumps Used In Hotels and Resorts. The chemical composition of pool water will go a long way in determining its usability and safety
- [Metering Pumps Used In Water Treatment Industry](https://wrsdosing.com/market-segment/metering-pumps-used-in-water-treatment-industry/): Metering Pumps Used In Water Treatment Industry. WRS supplies Qualify Pumps for Water Treatment plants. Metering pump for water treatment
- [Metering Pumps Used In Textile Industry](https://wrsdosing.com/market-segment/metering-pumps-used-in-textile-industry/): Textile Industry - Metering Pumps Used in Textile Sector. When selecting metering pumps WRS experts can answer all your questions
- [Metering Pumps Used In Paper And Pulp Industry](https://wrsdosing.com/market-segment/metering-pumps-used-in-paper-and-pulp-industry/): Pulp and Paper industry - Metering Pumps for Pulp and Paper industry. Improve product quality while minimizing waste, energy, and costs by using WRS pumps
- [Metering Pumps Used in Pharmaceutical](https://wrsdosing.com/market-segment/metering-pumps-used-in-pharmaceutical/): Metering Pumps Used in Pharmaceutical Industry. Learn how WRS metering pumps can greatly improve medical & pharmaceutical production processes
- [Metering Pumps Used In Oil And Gas Industry](https://wrsdosing.com/market-segment/metering-pumps-used-in-oil-and-gas-industry/): Metering Pumps Used in Oil And Gas Industry. Are Metering Pumps Necessary? In the oil industry, dosing pumps are used within an extensive performance range
- [Metering Pumps Used In Hospitality](https://wrsdosing.com/market-segment/metering-pumps-used-in-hospitality/): Metering Pumps Used in Hospitality. Advantages of metering pumps for chemical dosing, standard to meet and things to put into consideration
- [Metering Pumps Used In Food And Beverage Industry](https://wrsdosing.com/market-segment/metering-pumps-used-in-food-and-beverage-industry/): Metering Pumps Used In Food And Beverage Industry by WRS. Find out why using metering pumps can be a better way for producing food and beverages
- [Metering Pumps Used In Electroplating](https://wrsdosing.com/market-segment/metering-pumps-used-in-electroplating/): Electroplating & Metering Pumps. Electroplating requires a precise metering system to feed the right amount of chemicals. Criteria for Dosing Pumps
- [Metering Pumps Used In Agriculture](https://wrsdosing.com/market-segment/metering-pumps-used-in-agriculture/): WRS Metering Pumps Agricultural Sector. Selecting The Best Pumps for Your Agricultural Needs can be simplified by talking to WRS Dosing Pump experts
- [Rotameter](https://wrsdosing.com/metering-system-accessories/rotameter/): Rotameter is a deice that measures the volumetric flowrate of fluid in a closed tube. WRS Rotameter also has an option to install high/low flowrate signal
- [Actuated Valves](https://wrsdosing.com/metering-system-accessories/actuated-valves/): Actuated Valves also known as automated valves are mechanically operated by electric or pneumatic compared to a manual valve. Chemical Dosing System
- [Air Relief Valve](https://wrsdosing.com/metering-system-accessories/air-relief-valve/): Air Relief Valve MODEL 386 Metering System Accessories by WRS Chemical Dosing pumps components parts advice, ask our experts contact WRS
- [Calibration Column](https://wrsdosing.com/metering-system-accessories/calibration-column/): Calibration Column. Sizing a calibration column is based on your pump flowrate, for example is at 60LPH, and user required
- [Diaphragm Pressure Gauge](https://wrsdosing.com/metering-system-accessories/diaphragm-pressure-gauge/): Diaphragm Pressure Gauge with instrument Outer Diameter: φ60MM / φ100MM and Working pressure: static load: 3/4 of the upper limit of measurement
- [Sitemap](https://wrsdosing.com/sitemap/): Sitemap - HTML Sitemap for WRS website, includes posts, pages and categories for navigational purposes
- [In-Line (Static) Mixer](https://wrsdosing.com/metering-system-accessories/in-line-static-mixer/): In-Line (Static) Mixers for Metering Systems with no moving parts and works extremely well in creating emulsions. Chemical Dosing System Accessories by WRS
- [Venturi Injectors](https://wrsdosing.com/metering-system-accessories/venturi/): Venturi injectors are a highly efficient way to introduce liquid or gas into water. They are ideal for dosing chemicals, aerating water, dosing ozone and fertigation without additional pump.
- [Pulsation Dampener](https://wrsdosing.com/metering-system-accessories/pulsation-dampener/): During pump discharge, fluid enters the wetted chamber of the WRS Pulsation Dampener, displacing the bladder, compressing the gas and absorbing the shock.
- [Y-Strainers](https://wrsdosing.com/metering-system-accessories/y-strainers/): Y-Strainers used in Metering System, manufactured by WRS Y-Strainers designed for chemical dosing usage comes with various choice of materials
- [Safety Valve & Back Pressure Valve](https://wrsdosing.com/metering-system-accessories/safety-valve-and-back-pressure-valve/): Safety Valve and Back Pressure Valves used in chemical dosing, safety valves for metering pumps manufactured by WRS general specifications and features
- [ML Series](https://wrsdosing.com/solenoid-driven-dosing-pumps/ml-series-dosing-pump/): ML Series Solenoid Driven Dosing Pump by WRS. ML metering pump is a microprocessor controlled solenoid diaphragm pump with changeable frequency
- [Air Operated Diaphragm Pumps](https://wrsdosing.com/air-operated-diaphragm-pumps/): Air Operated Diaphragm Pumps by WRS Chemical Dosing Manufacturer. Model JQ06 JQ15/20 JQ25 JQ40 JQ50 and Model JQ80 dosing pumps products detailed
- [Metering System Accessories](https://wrsdosing.com/metering-system-accessories/): Metering System Accessories Safety Valve Y-Strainers Pulsation Dampeners In-Line Mixers Pressure Gauge Calibration Column Air Relief Valve Actuated Valve
- [Motor Driven Diaphragm Dosing Pumps](https://wrsdosing.com/chemical-dosing-pump/motor-driven-diaphragm-dosing-pumps/): Motor Driven Chemical Dosing Pump. WRS motor driven dosing pumps are designed to operated with the minimum input power yet able to produce high flowrate
- [Solenoid Driven Dosing Pumps](https://wrsdosing.com/chemical-dosing-pump/solenoid-driven-dosing-pumps/): Solenoid Driven Dosing Pumps by WRS ML & ML-S dosing pump is a microprocessor-controlled solenoid diaphragm type chemical dosing pump
- [MLS Series](https://wrsdosing.com/solenoid-driven-dosing-pumps/mls-series-dosing-pump/): MLS Series Solenoid Driven Dosing Pump by WRS. MLS metering pump is capable for all kinds of solutions dosing, including corrosive solutions
- [MA Series](https://wrsdosing.com/motor-driven-dosing-pumps/ma-series-dosing-pump/): MA Series Motor Driven Chemical Dosing Pump by WRS, this metering pump is a volumetric, mechanically operated reciprocating metering pump
- [MB Models](https://wrsdosing.com/motor-driven-dosing-pumps/mb-series-dosing-pump/): MB Series Metering Pump by WRS is a volumetric, mechanically operated reciprocating metering pump. Used in diverse industries, MB Series chemical dosing pump
- [MG Series Dosing Pump](https://wrsdosing.com/motor-driven-dosing-pumps/mg-series-dosing-pump/): MG Series Motor Driven Chemical Dosing Pump used in petroleum, chemical, food, pharmaceutical, paper, agriculture, water treatment and other sectors
- [Privacy Policy](https://wrsdosing.com/privacy-policy/): Who we are Our website address is: https://www. wrsdosing. com. What personal data we collect and why we collect it...
- [Knowledge](https://wrsdosing.com/knowledge/): Knowledge Base - Chemical Dosing Metering Pumps. What is chemical dosing and metering pump systems. WRS chemical dosing mаnufасturіng, ѕuррlу and еxроrt
- [Contact Us](https://wrsdosing.com/contact-us/): Contact WRS - Your Global Chemical Dosing Systems Solutions Provider. Conveniently located to serve you better throughout the world. Contact WRS Chemical Dosing
- [Market Segment](https://wrsdosing.com/market-segment/): Market Segment for WRS Chemical Dosing Products. WATER TREATMENT, ELECTROPLATING, PHARMACEUTICAL, OIL & GAS INDUSTRIES and more ...
- [Who We Are](https://wrsdosing.com/who-we-are/): About WRS Chemical Dosing Pumps and Parts Manufacturer. WRS mаnufасtures, ѕuррlies and еxроrts metering pumps and chemical dosing parts worldwide. Your reliable partner WRS
- [WRS METERING PUMP MANUFACTURER](https://wrsdosing.com/): WRS Metering Pump Manufacturer. Manufacturing Chemical Dosing Pumps Since 2008. WRS mаnufасtures, ѕuррlies and еxроrts broad range of mеtеrіng pumрѕ globally


## Posts

- [8 Common Pump Head Materials and Their Fluid Compatibility](https://wrsdosing.com/metering-pumps/8-common-pump-head-materials-and-their-fluid-compatibility/): Selecting the correct pump head material ensures not only chemical compatibility but also longer pump life, reduced maintenance, and safer operation across all industrial applications.
- [Motor-Driven Mechanical Diaphragm Pumps in the Petrochemical Industry](https://wrsdosing.com/chemical-dosing-pump/motor-driven-mechanical-diaphragm-pumps-in-the-petrochemical-industry/): A motor-driven mechanical diaphragm pump in petrochemical sector,  offers the perfect combination of safety, control, and endurance. Its sealed design prevents leaks
- [How a Motor-Driven Mechanical Diaphragm Pump Works](https://wrsdosing.com/chemical-dosing-pump/how-a-motor-driven-mechanical-diaphragm-pump-works/): How does a motor-driven mechanical diaphragm work? A motor-driven mechanical diaphragm pump works by using a motor’s rotary motion to drive a diaphragm in a back-and-forth cycle.
- [What Is a Motor-Driven Pump?](https://wrsdosing.com/metering-pumps/what-is-a-motor-driven-pump/): A motor-driven pump is a pump powered by an electric motor, designed to move fluids efficiently and precisely across various industrial, agricultural, and commercial applications.
- [What Is a Mechanical Diaphragm Pump and How It Works](https://wrsdosing.com/diaphragm-pump/what-is-a-mechanical-diaphragm-pump-and-how-it-works/): A mechanical diaphragm pump is a positive displacement pump driven by an electric motor that uses mechanical motion to flex a diaphragm and move liquid through the system.
- [Can Diaphragm Pumps Run Continuously?](https://wrsdosing.com/diaphragm-pump/can-diaphragm-pumps-run-continuously/): Can diaphragm pumps run continuously? A diaphragm pump can operate continuously, provided it runs within its design limits and receives proper maintenance.
- [Efficiency of Air-Operated Diaphragm Pumps Compared to Electric Models](https://wrsdosing.com/diaphragm-pump/efficiency-of-air-operated-diaphragm-pumps-compared-to-electric-models/): An air-operated diaphragm pump, or AODD, runs on compressed air rather than an electric motor. This design offers several advantages over electric pumps.
- [How Long Will A Diaphragm Pump Last?](https://wrsdosing.com/diaphragm-pump/how-long-will-a-diaphragm-pump-last/): How long will a diaphragm pump last? When properly maintained, a high-quality diaphragm pump can last 5 to 10 years or more.
- [10 Advantages of Diaphragm Pumps You Should Know](https://wrsdosing.com/knowledge/10-advantages-of-diaphragm-pumps-you-should-know/): The diaphragm pump advantages come from their efficient, leak-free, and durable design. Their ability to self-prime, handle abrasive or corrosive fluids, run dry, and operate safely.
- [How Diaphragm Pumps Work: The Core Mechanism Behind Reliable Fluid Transfer](https://wrsdosing.com/knowledge/how-diaphragm-pumps-work-the-core-mechanism-behind-reliable-fluid-transfer/): How do diaphragm pumps work? Diaphragm pumps work by alternately expanding and compressing a sealed chamber through the movement of a flexible diaphragm.
- [Centrifugal Pump vs Diaphragm Pump: Understanding the Core Differences](https://wrsdosing.com/knowledge/centrifugal-pump-vs-diaphragm-pump-understanding-the-core-differences/): 7 key differences on centrifugal pump vs diaphragm pump lie on their working principle, flow characteristic, pressure cap, self-priming, fluid compatibility, maintenance, and application.
- [Peristaltic Pump vs Diaphragm Pump: 6 Key Differences You Must Know](https://wrsdosing.com/knowledge/peristaltic-pump-vs-diaphragm-pump-6-key-differences-you-must-know/): 6 key differences on peristaltic pumps vs diaphragm pumps lie on their working principle, fluid contact, flow characteristic, pressure cap, maintenance and application.
- [What Is a Diaphragm Pump in Modern Industry?](https://wrsdosing.com/knowledge/what-is-a-diaphragm-pump-in-modern-industry/): A diaphragm pump is a highly versatile and reliable type of positive displacement pump used in many industries. The purpose of using it is to move any kind of fluid effectively.
- [The Role of NaOH Dosing Pump](https://wrsdosing.com/chemical-dosing-pump/the-role-of-naoh-dosing-pump/): The role of an NaOH dosing pump is to deliver sodium hydroxide safely and accurately across industries, ensuring stable pH, protecting infrastructure, and improving efficiency.
- [How to Choose a Water Treatment Plant Company in Singapore](https://wrsdosing.com/knowledge/how-to-choose-a-water-treatment-plant-company-in-singapore/): Choosing the right water treatment plant company in Singapore ensures compliance, efficiency, and sustainability by matching your specific water needs with the correct partner.
- [What is a Swimming Pool Balancing Tank?](https://wrsdosing.com/knowledge/what-is-a-swimming-pool-balancing-tank/): What Is a swimming pool Balancing Tank? This hidden structure is essential in overflow pools and large aquatic facilities, ensuring smooth operation, water conservation, and swimmer comfort.
- [How Water Treatment Chemicals Work: The Science Behind Clean Water](https://wrsdosing.com/chemical-dosing-pump/how-water-treatment-chemicals-work-the-science-behind-clean-water/): Water treatment chemicals help solve this problem by purifying water, balancing its chemistry, and protecting the systems that depend on it.
- [Swimming Pool Maintenance: How to Keep Water Clean, Safe, and Sparkling](https://wrsdosing.com/uncategorized/swimming-pool-maintenance-how-to-keep-water-clean-safe-and-sparkling/): So, here’s a complete guide to effective swimming pool maintenance. Daily and Weekly Care. The Importance of Filtration. Chemical Balance and Shock Treatment.
- [10 Dosing Pumps Advantages in Industrial Applications](https://wrsdosing.com/chemical-dosing-pump/10-dosing-pumps-advantages-in-industrial-applications/): Dosing pump advantage lies in its accuracy, safety, energy efficiency, and adaptability, giving industries reliable chemical delivery, lower costs, and future-ready automation.
- [Are Chemical Dosing Pumps Safe?](https://wrsdosing.com/chemical-dosing-pump/are-chemical-dosing-pumps-safe/): Are chemical dosing pumps safe? Yes, when properly selected, installed, and maintained, they provide unmatched safety by using corrosion-resistant materials.
- [How Does a Metering Pump Work?](https://wrsdosing.com/metering-pumps/how-does-a-metering-pump-work/): How does a metering pump work? It operates through a suction and discharge cycle using diaphragms, pistons, or rollers to deliver precise liquid doses.
- [What You Need to Know about Solenoid Driven Metering Pump Price](https://wrsdosing.com/chemical-dosing-pump/what-you-need-to-know-about-solenoid-driven-metering-pump-price/): The Solenoid Driven Metering Pump Price varies depending on flow capacity, pressure, materials, brand, and digital features, ranging from around USD $150 to USD $2,000.
- [An In-Depth Guide to Solenoid Pumps in Modern Applications](https://wrsdosing.com/chemical-dosing-pump/an-in-depth-guide-to-solenoid-pumps-in-modern-applications/): A solenoid pump is a compact and precise positive displacement pump used in water treatment, food, pharmaceuticals, agriculture, and chemical dosing.
- [Understanding the Role of the Peristaltic Dosing Pump in Modern Industry](https://wrsdosing.com/chemicals/understanding-the-role-of-the-peristaltic-dosing-pump-in-modern-industry/): A peristaltic dosing pump provides accurate, hygienic, and reliable fluid handling for industries such as water treatment, food, pharmaceuticals, agriculture, and chemical processing.
- [Inline Static Mixer Role in Chemical Dosing](https://wrsdosing.com/chemical-dosing-pump/inline-static-mixer-role-in-chemical-dosing/): An inline static mixer blends fluids in pipelines without moving parts. It improves mixing efficiency, supports chemical dosing, and is used in water, food, pharma, and industrial processes.
- [Chemical Dosing Pumps: Types, Safety, and Best Applications Explained](https://wrsdosing.com/chemical-dosing-pump/chemical-dosing-pumps-types-safety-and-best-applications-explained/): Chemical dosing pumps inject precise amounts of chemicals into systems. They ensure safety, improve efficiency, and are used in water treatment, agriculture, food, pharmaceuticals, and industry.
- [What is The Purpose of Dosing?](https://wrsdosing.com/knowledge/what-is-the-purpose-of-dosing/): What is the purpose of dosing? Dosing helps avoid giving too little, which does not work, or too much, which can be wasteful or even harmful.
- [What is A Dosing Pump?](https://wrsdosing.com/knowledge/what-is-a-dosing-pump/): What is a dosing pump? A dosing pump is a highly specialized pump built not to move large volumes of liquid, but to deliver small amounts with extreme accuracy.
- [Guide to Stroke Adjustment and Flow Rate in Dosing Pumps](https://wrsdosing.com/knowledge/guide-to-stroke-adjustment-and-flow-rate-in-dosing-pumps/): This guide explains how stroke adjustment, flow rate, calibration, and turndown ratio work together to ensure dosing pumps deliver accurate, efficient chemical dosing.
- [What Makes a Smart Dosing Pump? A Deep Dive into the Eignal Series EMG Model](https://wrsdosing.com/knowledge/what-makes-a-smart-dosing-pump-a-deep-dive-into-the-eignal-series-emg-model/): The Eignal Series EMG model is a smart dosing pump designed to boost industrial efficiency through advanced digital features like RS485 communication, 4–20mA input
- [Maximize Efficiency: The Ultimate Guide to Choosing the Right Dosing Pump for Your Needs](https://wrsdosing.com/knowledge/maximize-efficiency-the-ultimate-guide-to-choosing-the-right-dosing-pump-for-your-needs/): In today’s fast-paced industrial landscape, maximizing efficiency is essential for success. Choosing the right dosing pump can play a pivotal...
- [How to Choose the Right Dosing Pump for Your Project](https://wrsdosing.com/knowledge/how-to-choose-the-right-dosing-pump-for-your-project/): Selecting the ideal dosing pump for your project might initially seem overwhelming, given the multitude of options available. However, by...
- [Advantages of Motor Driven Dosing Pumps](https://wrsdosing.com/chemical-dosing-pump/advantages-of-motor-driven-dosing-pumps/): Discover the precision and efficiency of motor driven dosing pumps for industrial applications like water treatment, chemical processing, and more.
- [WRS Diaphragm Pumps are The Superior Choice](https://wrsdosing.com/metering-pumps/wrs-diaphragm-pumps-are-the-superior-choice/): WRS Diaphragm Pumps are The Superior Choice. The Situation for a Diaphragm Pump. How WRS Metering Pumps Ensures Accuracy
- [The Dynamics of Sourcing from Top Metering Pump Manufacturers](https://wrsdosing.com/advice/the-dynamics-of-sourcing-from-top-metering-pump-manufacturers/): The Dynamics of Sourcing from Top Metering Pump Manufacturers. The Growth Cycle. WRS metering pumps manufacturer and supplier
- [What Peristaltic Pumps are Best Suited For](https://wrsdosing.com/advice/what-peristaltic-pumps-are-best-suited-for/): What Peristaltic Pumps are Best Suited For. The Operation of a Peristaltic Pump. Motor Driven Chemical Dosing Pump
- [Metering Pumps Distributors](https://wrsdosing.com/advice/purchasing-metering-pumps-from-local-distributors/): Purchasing Metering Pumps from Local Distributors. Pros of Going Local. WRS Metering Pump Manufacturer & Supplier globally
- [Look for These in Metering Pumps and Chemical Dosing Pumps](https://wrsdosing.com/chemical-dosing-pump/look-for-these-in-metering-pumps-and-chemical-dosing-pumps/): Look for These in Metering Pumps and Chemical Dosing Pumps. Compatibility Materials and Standards. Quality, longevity and affordability
- [The Mechanism of Peristaltic Pumps and Their Benefits](https://wrsdosing.com/advice/the-mechanism-of-peristaltic-pumps-and-their-benefits/): The Mechanism of Peristaltic Pumps and Their Benefits. Choosing The Right Metering Pump Requires Expert Advice. Contact WRS experts
- [Metering Pump Coagulation pH Balance and Water Treatment](https://wrsdosing.com/advice/metering-pump-coagulation-ph-balance-and-water-treatment/): Metering Pump Coagulation pH Balance and Water Treatment. Talk to WRS Metering Pump Manufacturer & Supplier for The Right Solution
- [Choosing a Metering Pump](https://wrsdosing.com/advice/choosing-a-metering-pump/): Choosing a Metering Pump? Consider pre-packaged system. Talk to WRS Metering Pump Experts for a Complete Solution
- [Metering Pumps Automation and Remote Control](https://wrsdosing.com/advice/metering-pumps-automation-and-remote-control/): Metering Pumps Automation and Remote Control. Detecting Leaks in Metering Pumps. Remote Control of Operation. Metering pumps manufactured by WRS
- [Becoming a Distributor for Metering Pump Manufacturers](https://wrsdosing.com/advice/becoming-a-distributor-for-metering-pump-manufacturers/): Becoming a Distributor for Metering Pump Manufacturers has great benefits when you work with WRS. Able to manufacture OVER 40K units per year
- [Getting the Most Out of Your Metering Pump](https://wrsdosing.com/advice/getting-the-most-out-of-your-metering-pump/): Getting the Most Out of Your Metering Pump means that accuracy of the entire process is critical. Learn more about Chemical dosing Flow Meter and Rotameter
- [Basics of Chemical Dosing for Water Treatment](https://wrsdosing.com/advice/basics-of-chemical-dosing-for-water-treatment/): Basics of Chemical Dosing for Water Treatment. Chemical dosing is simply the name given to the process of delivering a chosen chemical into a body of water
- [Basics of Choosing Chemical Dosing Pumps](https://wrsdosing.com/chemical-dosing-pump/basics-of-choosing-chemical-dosing-pumps/): Basics of Choosing Chemical Dosing Pumps. Consider these when thinking of purchasing metering pumps for your application. WRS dosing pump manufacturing
- [Choose the Right Dosing Pump Choose WRS Metering Pumps](https://wrsdosing.com/advice/choose-the-right-dosing-pump-choose-wrs-metering-pumps/): Choose the Right Dosing Pump Choose WRS Metering Pumps. The Dynamics of the Flow Rate. The Nature of the Pumping Fluid. WRS Motor Driven metering pumps
- [Dynamics of a Chemical Dosing Pump](https://wrsdosing.com/chemical-dosing-pump/dynamics-of-a-chemical-dosing-pump/): Dynamics of a Chemical Dosing Pump. Learn about how does metering sytem work and what are the Mechanics of a Dosing Pump Systems
- [Chemical Dosing Pump Maintenance](https://wrsdosing.com/advice/chemical-dosing-pump-maintenance/): Chemical Dosing Pump Maintenance. Wear & Tear. Preventing Pump Corrosion & Rust Keeping On-Top of Metering System Maintenance Tasks
- [Commonly Used Chemicals in Dosing Pumps](https://wrsdosing.com/chemicals/commonly-used-chemicals-in-dosing-pumps/): Commonly Used Chemicals in Dosing Pumps. Learn about chemical dosing and common chemicals used in metering systems by a chemical dosing pump manufacturer
- [Different Types of Dosing Pumps](https://wrsdosing.com/metering-pumps/different-types-of-dosing-pumps/): Different Types of Dosing Pumps. Peristaltic Pumps. Pulse Injection Solenoid Driven Chemical Dosing Pumps by WRS Motor Driven Metering Pumps
- [Beginner's Guide to Using and Setting Up Dosing Pumps](https://wrsdosing.com/chemical-dosing-pump/beginners-guide-to-using-and-setting-up-dosing-pumps/): Beginner's Guide to Using and Setting Up Dosing Pumps. First Consider These Before Setting Up Dosing Pumps Safety Always Comes First
- [The Easy Guide to Choosing Metering Pumps](https://wrsdosing.com/metering-pumps/the-easy-guide-to-choosing-metering-pumps/): The Easy Guide to Choosing a Metering Pump. What is a metering pump and what should you look for when choosing metering pumps for different applications
- [What is Chemical Dosing?](https://wrsdosing.com/chemicals/what-is-chemical-dosing/): What is Chemical Dosing? Chemical Dosing involves delivering a chemical substance into a fluid, usually as a part of an overall process. Metering pumps

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# Detailed Content


## Pages

> Precision Double Hydraulic Diaphragm Dosing Pump for hazardous applications. A heavy-duty dosing pump for applications up to 400 Bars!

- Published: 2026-08-25
- Modified: 2026-08-25
- URL: https://wrsdosing.com/chemical-dosing-pump/hydraulic-diaphragm-dosing-pump/

Loading... A NEW WAY OF CHEMICAL DOSING Digitalize your chemical dosing process with WRS SMART digital dosing pumps. Motor Driven Hydraulic Double Diaphragm Chemical Dosing Pump A process pump specifically designed for hazardous and precise dosing application. IntroductionUpgrade to SMART hydraulic double diaphram pumpOptions - Interchangable Induction MotorOptions: Pump Head MaterialOptions: Connection MethodsOptions: Heating or CoolingOptions: Multiple Pump HeadOptions: Diaphragm rupture detectionIntroduction Mechanical Hydraulic Diaphragm Dosing Pump Flowrate: 1 - 3500 l/h (Standard Product) / custom order up to 20,000 l/h for a single pump head. Pressure: Up to 400 bar. Common Applications: High Pressure / High Viscosity / High Temperature / Hazardous (Leak Free) / Precise Dosing Upgrade to SMART hydraulic double diaphram pump Upgrade to SMART digital piston pump WRS latest SMART digital dosing pump technology is also implementable to our Piston & Hydraulic diaphragm dosing pump series. Instead of using the traditional Variable Speed Drive method, this allows more controls capability and high accuracy dosing, thanks the development of the Servo Motor and BLDC Motor. To see the complete SMART digital version, please see the SMART Series Hydraulic Diaphragm Pump's tab below. Options - Interchangable Induction Motor Optional for interchangeable induction motor: WRS pumps are designed with various configurations, offering different type of solutions to meet all of our client’s requirements. From pump head design, motor types to control variants. Options: Variable Frequency Motor Explosion Proof Motor Variable Frequency + Explosion Proof Motor (Standard on stock motor: ExdIIBT4, other options are available upon request. ) BLDC /...


> Precision Piston Dosing Pump for High-Pressure Applications. A heavy-duty chemical dosing pump for applications pumping up to 400 Bar!

- Published: 2026-08-25
- Modified: 2026-08-25
- URL: https://wrsdosing.com/chemical-dosing-pump/piston-dosing-pump/

Loading... A NEW WAY OF CHEMICAL DOSING Digitalize your chemical dosing process with WRS SMART digital dosing pumps. Motor Driven Piston Chemical Dosing Pump A process pump specifically designed for low flow, high pressure, and precise dosing application. IntroductionUpgrade to SMART piston PumpOptions - Interchangable Induction MotorOptions: Connection MethodsOptions: Heating or CoolingOptions: Multiple Pump HeadIntroduction Mechanical Piston Dosing Pump Flowrate: 1 - 3800 l/h (Standard Product) / custom order up to 20,000 l/h for a single pump head. Pressure: Up to 500 bar. Common Applications: High Pressure / High Viscosity / High Temperature / Precise Dosing Upgrade to SMART piston Pump Upgrade to SMART digital piston pump WRS latest SMART digital dosing pump technology is also implementable to our Piston & Hydraulic diaphragm dosing pump series. Instead of using the traditional Variable Speed Drive method, this allows more controls capability and high accuracy dosing, thanks the development of the Servo Motor and BLDC Motor. To see the complete SMART digital version, please see the SMART Series Piston Pump's tab below. Options - Interchangable Induction Motor Optional for interchangeable induction motor: WRS pumps are designed with various configurations, offering different type of solutions to meet all of our client’s requirements. From pump head design, motor types to control variants. Options: Variable Frequency Motor Explosion Proof Motor Variable Frequency + Explosion Proof Motor (Standard on stock motor: ExdIIBT4, other options are available upon request. ) BLDC / Servo Motor (SMART Series Piston Pump) *Note: Variable Frequency motor is not required for digital...


> Avoid costly construction delays with our reliable modular water treatment plants. We design, build, and ship complete plug-and-play systems for you.

- Published: 2026-08-25
- Modified: 2026-08-26
- URL: https://wrsdosing.com/complete-modular-water-treatment-plant-solutions/

Complete Modular Water Treatment Plants: Custom Design and Build Traditional civil engineering projects for fluid processing facilities are notoriously expensive and time-consuming. Pouring concrete basins, laying extensive underground piping, and managing various contractors on-site can cause massive delays and operational downtime. We offer a modern, streamlined alternative. Our modular water treatment plants are complete, custom-engineered systems built entirely off-site. We handle the complete design and build process, fabricating your entire treatment architecture onto robust steel skids. Once manufacturing is complete, we ship the fully integrated system directly to your facility for rapid, plug-and-play installation. The Advantage of Off-Site Fabrication By shifting the construction of your fluid management infrastructure from your facility to our manufacturing floor, we eliminate the unpredictable variables that delay traditional projects. Every component—from the primary filtration units and chemical reaction chambers to the final discharge pumps—is piped, wired, and tested in a controlled environment. True Plug-and-Play Installation When your system arrives on-site, the installation process is reduced from months of civil works to just a few days of final connections. Your on-site team only needs to connect the main fluid inlet, the treated outlet, and the primary power supply. This skid-mounted approach drastically reduces site disruption, making it the perfect solution for permanent industrial facilities, remote process plants, and construction sites requiring rapid deployment of environmental controls. Our Complete Design and Build Workflow We do not just assemble parts; we engineer the entire process from the ground up to match your specific effluent characteristics and regulatory requirements....


> Upgrade your plant with reliable skid-mounted chemical systems. Explore custom dosing skids, PAM preparation, and acid dilution units engineered by WRS.

- Published: 2026-08-25
- Modified: 2026-08-26
- URL: https://wrsdosing.com/skid-mounted-chemical-systems/

Loading... A NEW WAY OF CHEMICAL DOSING Digitalize your chemical dosing process with WRS SMART digital dosing pumps. High-Performance Skid-Mounted Chemical Systems Industrial fluid management requires more than just high-quality components; it demands seamless integration. Sourcing pumps, tanks, mixers, and controllers from different vendors and attempting to assemble them on-site often leads to mismatched performance, footprint issues, and significant operational delays. We provide a streamlined, engineered alternative. Our skid-mounted chemical systems are fully integrated, modular units built entirely in-house. By combining our precision WRS metering pumps with custom pipework and intelligent control architectures on a single heavy-duty steel frame, we deliver a true plug-and-play solution. Whether you need a simple tank-and-pump setup or a complex, multi-stage preparation plant, our systems arrive at your facility pre-plumbed, pre-wired, and ready for immediate deployment. Explore Our Custom Skid Solutions Because chemical handling varies drastically depending on the fluid's viscosity, reactivity, and required dosing precision, we design targeted systems for specific industrial processes. Standard Chemical Dosing Skids For direct chemical injection, our standard dosing skids offer an incredibly compact and reliable solution. These units typically feature a primary holding tank, an integrated top-mounted agitator, and our core WRS diaphragm, piston, or plunger metering pumps. Designed to fit easily into tight plant layouts, these skids manage the precise injection of coagulants, disinfectants, and pH adjusters directly into your main fluid line. All pipework and pulsation dampeners are sized to minimize pressure drop and ensure smooth fluid delivery at any flow rate. Polymer Preparation Systems Managing...


> Complete your injection setup with our reliable chemical dosing mixers. Explore durable top-mounted tank agitators and custom inline static mixers today.

- Published: 2026-08-25
- Modified: 2026-08-26
- URL: https://wrsdosing.com/chemical-dosing-mixers/

Loading... A NEW WAY OF CHEMICAL DOSING Digitalize your chemical dosing process with WRS SMART digital dosing pumps. High-Performance Chemical Dosing Mixers for Your Injection Setup Achieving precise chemical dosing requires more than just a highly accurate metering pump. If your chemicals are not properly blended before or during the injection process, you risk inconsistent results, wasted reagents, and damage to downstream equipment. Chemical Tank Agitator For batch preparation and holding tanks, our top-mounted chemical tank agitators provide the powerful, continuous blending needed to prevent chemical separation and settling. Built with heavy-duty drives and corrosion-resistant shafts and impellers, these robust units easily handle everything from light, water-like fluids to highly viscous chemical slurries. By maintaining a perfectly homogenized and suspended mixture, our agitators guarantee that your metering pump draws a consistent chemical concentration every single time, maximizing the accuracy and efficiency of your entire dosing system. Standard In-Line Static Mixer WRS produce standard in-line static mixer for general mixing purpose. Body Materials: uPVC cPVC SS304 SS316 PTFE Common Size: DN15 - DN300 Custom Make In-Line Static Mixer When off-the-shelf options fall short, our custom-made in-line static mixers are engineered to meet the exact demands of your unique chemical dosing application. We tailor every aspect of the unit—from the housing material and pipe connections to the specific geometry of the internal mixing elements—based on your system's exact flow velocity, fluid viscosity, and allowable pressure drop. This bespoke engineering ensures perfectly homogenous blending for even the most complex or aggressive fluids, providing...


> Discover smart water quality monitoring systems built for every industry. Browse our controllers, precision probes, and advanced analyzers today.

- Published: 2026-08-25
- Modified: 2026-08-26
- URL: https://wrsdosing.com/water-quality-monitoring-systems/

Loading... A NEW WAY OF CHEMICAL DOSING Digitalize your chemical dosing process with WRS SMART digital dosing pumps. Water Quality Monitoring System Your one stop solutions center for all water treatment related monitoring systems. CONTROLLERS The brain of the entire water quality monitoring system, WRS developed two lined up, a basic controller WS Series for single monitoring application. And the flagship WM Series for all monitoring parameters. Additionally custom make multi-parameters water quality monitoring controller. PROBES & SENSORS WRS provide wide range of probes and sensors covering most water treatment applications. pH / Redox (ORP) – pH sensors, ORP sensors, pH/Redox controllers Conductivity – conductivity sensors and controllers across various measurement ranges Turbidity / Suspended Solids (SS) – turbidity sensors, controllers, flow cells, and SS sensors/controllers Dissolved Oxygen (DO) – DO sensors and controllers NH₄-N / NO₃-N (Ammonia Nitrogen / Nitrate Nitrogen) – dedicated electrodes and two-in-one sensors Organics (UV254/COD) – UV254 COD sensors and controllers Total / Residues Chlorine Chlorine Dioxide Ozone Fluoride Ion / Chloride Ion ANALYZERS Residual/Total/Free Chlorine, Chlorine Dioxide – disinfectant analyzers, controllers, sensors, and flow cells (including potentiostatic sensors) Total Hardness – online hardness analyzers and reagents Total Alkalinity – alkalinity analyzers (including phenolphthalein alkalinity) and reagents Iron Ions – iron ion analyzers and reagents Streaming Current – for coagulant dosing control Reliable Water Quality Monitoring Systems for Every Industry Managing water chemistry shouldn't require weeks of complex integration. Whether you are overseeing municipal water treatment, managing industrial wastewater, or running a continuous process production...


- Published: 2026-08-25
- Modified: 2026-08-25
- URL: https://wrsdosing.com/chemical-dosing-pump/

Loading... A NEW WAY OF CHEMICAL DOSING Digitalize your chemical dosing process with WRS SMART digital dosing pumps. Chemical Dosing Pump Solutions — Engineered for Precision, Built to Last As a specialist chemical dosing pump manufacturer, we design and produce precision metering pumps for water treatment, wastewater, oil & gas, food & beverage, and industrial chemical injection applications worldwide. Explore our five core chemical dosing pump categories below, or contact our engineering team for a tailored recommendation. SMART Digital Dosing Pump WRS's flagship chemical dosing pump series. Using the latest BLDC motor technology, achieving the multiple functions such as slowmode, input & output signal controls, relay feedback, diaphragm rupture detection and more. This series ranging from 8 l/h up to 2000 l/h. This family come with two version, the PLUS and LITE version. Where the lite version reduces some premium features from the PLUS version. Solenoid Driven Chemical Dosing Pump The most common dosing pump in the world of chemical dosing. WRS solenoid driven dosing pumps range from 1 l/h up to 20 l/h. EML : Comes with LCD screen display, signal / Modbus RTU RS485 controlled. ML: The most basic series with only manual control. MLS: The upgraded ML models with input signal controlled. Mechanical Diaphragm Chemical Dosing Pump The most robust and direct version of chemical dosing from the WRS lined up. MG Modesl: Using a geared motor and spring return technology, reduced pump size yet maintaining its peak performance. MA Models: A spring loaded designed and internal...


> WRS Flagship diaphragm dosing series. The SMART Digital Diaphragm Dosing Pump allow users to have more control and better dosing accuracy.

- Published: 2026-08-23
- Modified: 2026-08-23
- URL: https://wrsdosing.com/chemical-dosing-pump/smart-digital-dosing-pump/

Loading... A NEW WAY OF CHEMICAL DOSING Digitalize your chemical dosing process with WRS SMART digital dosing pumps. SMART Digital Dosing Pump - Top Features Every Drop. SMART Control Supports analog, pulse, and Modbus communication, and works with relays and sensors for input/output. High-precision DOSING With the integrated fast suction slow discharge technology, achieving 1% accuracy in full range capacity. User-friendly Interface Implementing smart digital controller, with clear information displayed and easy to operate. FLEXIBLE Installation The portable controller supports three different orientations, allowing user to install in complex environments. Full PTFE Diaphragm Upgraded full PTFE diaphragm. Extended service life and upgradeable to diaphragm rupture sensing with alarm. Chemical RESISTANT Various pump head material such as PVC/PVDF/SS316L to handle all corrosive chemicals. Multiple CALIBRATION mode A simple one step calibration mode, additional features for calibrating analog signals and fine tune of output flow rate. General WIRING Port No need of special cables for connectivity. Easy and straight forward. IP65 Rating Both the drive unit and control unit are sealed within an IP65-rated enclosure, providing better protection. OMNIcompatible WRS’s new digital pump technology is able to apply to other series such as hydraulic diaphragm and piston dosing pumps. Optional for Plus / Lite Series Front Side HeadingFront side content Front side content Front side content Front side content Front side content Front side content Back Side Heading THIS PUMP SIBEH POWERFUL Your Content Goes HereYour Content Goes HereYour Content Goes HereYour Content Goes Here Category Description PLUS LITE Control Panel Display/Control...


- Published: 2021-03-17
- Modified: 2021-03-17
- URL: https://wrsdosing.com/thank-you-for-signing-up/

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- Published: 2021-03-16
- Modified: 2021-03-16
- URL: https://wrsdosing.com/email-sign-up/

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- Published: 2020-10-10
- Modified: 2026-08-16
- URL: https://wrsdosing.com/digital-intelligence-dosing-pump/

PAGE HEADING Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. 0unitsManufacturing over 40k units per year. 0sqmFactory size over 33,400sqm. >0Supplying to over 50 countries around the world. Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. Questions? We're Here to Help Talk to Us


> EMG series metering pump can transport temperature -15 ℃ ~ 60 ℃, viscosity 0.3 ~ 1000cps corrosive or non-corrosive liquid which does not contain solid particles.

- Published: 2020-08-11
- Modified: 2025-09-16
- URL: https://wrsdosing.com/motor-driven-dosing-pumps/emg-models/

Eignal Series - EMG Models Metering Pump MOTOR DRIVEN DOSING PUMP The EMG model is from the Eignal Series Dosing Pump family. This is a smart, digital intelligence model designed for this new digital world. This is a volumetric, mechanically operated reciprocating metering pump. Widely used in petroleum, chemical, food, pharmaceutical, paper, light industry, agriculture, water plant and other industrial and technological sectors, in the process of dealing with all kinds of media measurement and dosing applications. According to different media, different selection of materials is available, including PVC, SS304, SS316, PTFE and others. EMG series metering pump can transport temperature -15 ℃ ~ 60 ℃, viscosity 0. 3 ~ 1000cps corrosive or non-corrosive liquid which does not contain solid particles. Pump rated flow range is 15 ~ 130 l / h, with corresponding maximum output pressure of 10 ~ 4bar. The flow rate of the pump can be adjusted by the hand wheel from 0% to 100%, regardless of whether the pump is running or not. In the range of 30% ~ 100% flow rate, the steady-state accuracy is ± 1%. It is a simple structure, small energy consumption, accurate measurement practical metering pump. Different models can be configured according to the requirements of 220V, 380V or other voltage motor. FEATURES In built automated cycle function. In built timer based function. In built volume based function. External ON/OFF control. RS485 Communication. Analog 4-20mA control. Pulse signal control. High/low level alarm. High/low pressure alarm. PUMP GENERAL SPECIFICATIONS Model EMG Type...


> EML Model Solenoid Driven Metering Pump by WRS. Microprocessor controlled solenoid diaphragm pump with changeable frequency

- Published: 2020-08-11
- Modified: 2025-09-09
- URL: https://wrsdosing.com/solenoid-driven-dosing-pumps/eml-models/

Solenoid Driven Dosing PumpSolenoid Driven Dosing PumpSolenoid Driven Dosing Pump - Eignal Series - EML Models SMART SOLENOID DRIVEN DOSING PUMP EML dosing pump is a new version of microprocessor controlled solenoid diaphragm pump with changeable frequency. Is has all the features of the MLS models, with additional Modbus 485 control, and more advanced display screen. WRS is consistently investing for upgrading our pumps to meet the current market requirements and the changing needs of our valued customers. As the industry is moving to more automated system 'The Eignal Series' is your best choice when looking for robust durable and productive metering pumps. Your new smart solenoid metering pump EML by WRS has rated flow range of 1 ~ 20 l / h, with corresponding maximum output pressure of 10 ~ 1bar. The pump outlet displacement can be adjusted according to the pulse frequency selection switch. It is a simple structure, low energy consumption, accurate measurement, with a new screen display of electromagnetic diaphragm metering pump. FEATURES Small size & easy installation. Simple control design, control everything with only three buttons. Specially designed for handling corrosive liquids. Varieties of material options, for different applications. Controllable flowrate at both working and non-working condition. Simple way to release air or retrieving sampling from the system through the air release valve right at the discharge. Compact modular design. Simple LED display. Check valve with double balls designed for easy maintenance. Accessories are included. Wear-free solenoid driving, without any bearing. Newly designed high-performance PCB....


> Metering Pump Manufacturers & Suppliers. WRS experts reliable and well established manufacturer and supplier of metering pumps worldwide. Contact us

- Published: 2020-06-19
- Modified: 2026-08-17
- URL: https://wrsdosing.com/metering-pumps-manufacturer-and-supplier/

Inquire About Becoming a Distributor GET IN TOUCH WITH US! For general Inquiries: info(at)wrsdosing. com For distributor or bulk buying application: international(at)wrsdosing. com Note: "@" is replaced by (at) to prevent spam bots. Metering Pump Manufacturers & Suppliers Let's face it, as a metering pumps distributor, you could perhaps get your metering pumps and related products from variety of sources, and yet, we believe that you yourself are in 'customer service' business. And that's where WRS metering pump manufacturer and supplier can be exactly what you've been looking for because we deliver cost effective, reliable results for all our valued customers. We've been serving our valued customers globally supplying over 50 countries worldwide. Established in 2008, WRS offers a range of Metering Pumps and related components. When you become one of our valued distributor, you'll be dealing directly with a well established manufacturer and supplier whose here to support and assist you to grow with our company. Because unlike some other metering pump suppliers who don't manufacture but rather act as the middle-man, WRS offers you complete solution from beginning to end. Let us answer all your questions and then deliver exactly the affordable metering pump and accessories your customers want. Above all else, we are here for all our valued customers "the end users & our distributors". Simply contact us to find out how we can work together to build long term 'successful' business partnership. 0unitsManufacturing over 40k units per year. 0sqmFactory size over 33,400sqm. >0Supplying to over 50...


> Metering Pumps Used In Hotels and Resorts. The chemical composition of pool water will go a long way in determining its usability and safety

- Published: 2019-11-08
- Modified: 2020-08-06
- URL: https://wrsdosing.com/market-segment/metering-pumps-used-in-hotels-and-resorts/

HOTEL & RESORTS Metering Pumps Using in Hotels And Resorts Given the sheer number of people who visit hotels and resorts, it is essential all facilities and equipment are in the best possible shape and working order. Some of the areas that people really pay attention to when it comes to hotels and resorts are cleanliness, customer service, and convenience. All of these factors play an essential role in how people would enjoy their stay in a hotel or a resort. When it comes to hotels and resorts, people go there for relaxation, and a sense of comfort, and what better to enjoy that than by/in the pool. As a resort or hotel owner, the chemical composition of your pool water will go a long way in determining its usability and safety. If your pool water has a strange coloration, or it is a bit salty or needs chemicals to stay clean, then your pool composition might be faulty. Any of the above can bring about long term challenges for your pool, and thus, you will be forced to take corrective action over and over again. Thankfully, with the aid of a dosing pump, you can alleviate any of the above issues. Because by using a metering pump, you can administer the right treatment before any issue arises. The dosing meter works by calculating the required amount of treatment product required and accurately gives off the exact amount into the pool. So, take for instance Chlorine which is one of...


> Metering Pumps Used In Water Treatment Industry. WRS supplies Qualify Pumps for Water Treatment plants. Metering pump for water treatment

- Published: 2019-11-08
- Modified: 2020-08-06
- URL: https://wrsdosing.com/market-segment/metering-pumps-used-in-water-treatment-industry/

Water Treatment Industry Metering Pumps In Water Treatment The basic function of dosing pumps is to inject chemicals at a specified flowrate into a particular process or destination. This process is known as metering. The entire metering process is used to inject chemical additives, specific blends of chemical components, or the transfer of a single liquid. Metering pumps or dosing pumps are utilized in the pumping of chemical solutions in the production process in several industries. The design of most dosing pumps is pretty straightforward. Most metering pumps often come with a control mechanism, a solenoid drive attached to a motor, and a pump head with different valves. The valves serve as the inlet and outlet for liquid injection and discharge. Dosing pumps find application in diverse fields, and one such area is in wastewater treatment. In terms of water treatment, metering pumps are used to ensure the appropriate treatment of wastewater processed in a water treatment plant. Dosing pumps used must be able to dispense precise dosage dependent on workload. Every moving part ensures the accuracy and reliability of the whole system. The entire process in a waste water plant needs a dosing pump for various processes such as coagulation, flocculation, disinfection and more. One of the main reasons why metering pumps are used for these processes is that they are flexible in allowing easily setting of the required rate at which you want to inject or discharge liquids. The way they are designed, chemical dosing systems for water...


> Textile Industry - Metering Pumps Used in Textile Sector. When selecting metering pumps WRS experts can answer all your questions

- Published: 2019-11-08
- Modified: 2020-08-06
- URL: https://wrsdosing.com/market-segment/metering-pumps-used-in-textile-industry/

TEXTILE Textile Industry & Metering Pumps Dosing pumps find their applications in various industries and sectors. One such area of application is in the textile industry, where it is used for fiber production. More and more synthetic fibers becoming popular in today's market, and one essential equipment used in their production a metering pump. In addition, dosing pumps are used in various other applications such as brushes and so on. The textile industry is very important when it comes to consumer goods. From clothing and domestic textiles to technical textiles just to name a few, its importance cannot be over emphasized. There are lots of areas where metering pumps are needed in the textile production process. The characteristics and performance of a dosing pump make it a piece of highly sought-after equipment in the market. For instance, in a textile factory, a metering pump ensures that the polymer used in the process is transported uniformly to various locations in the process. A dosing pump guarantees a constant flow rate, and this is very important in ensuring consistent quality in the desired material. If your media has low viscosity, there is no better pump to utilize than a metering pump as it is ideal in accurately delivering media with low viscosities to locations in the process. Durability, accuracy, and efficiency are some of the words that describe the type of performance you would get from a metering pump. Metering Pump Selection The following are some off the operating parameters to consider...


> Pulp and Paper industry - Metering Pumps for Pulp and Paper industry. Improve product quality while minimizing waste, energy, and costs by using WRS pumps

- Published: 2019-11-08
- Modified: 2020-08-06
- URL: https://wrsdosing.com/market-segment/metering-pumps-used-in-paper-and-pulp-industry/

PULP AND PAPERS Pumps & Pulp and Paper Industry In the pulp and paper industry, using the right pump at the proper process makes a significant difference in the quality of your product. There are different pumps in the market to pick from, but selecting the right pump will boost production, and enhance the life of your entire system. The pulp and paper industry faces high demands for improved product quality while minimizing waste, energy, and costs. This is where metering pumps come into play. The use of metering pumps helps in the accurate delivery of chemicals, colors, and additives. Depending on their build, metering pumps can operate in the demanding environment of the pulp and paper plant, delivering high accuracy and efficiency. One of the metrics of a profitable paper making plant is high-quality paper in combination with reduced production cost. Reliable and precise metering of materials is in high demand in the market today. A typical dosing pump will guarantee any pulp and paper plant the following: Low cost of maintenance Durability High accuracy and Repeatability In a pulp and paper plant, the following are some of the applications of metering pumps Metering dyes, Adding and transferring coats Preparation of highly consistent glue or additives Transportation of sodium nitrite solution and sodium hypochlorite Injecting acids and alkalis, and other materials. High Accuracy and Repeatability Paper coloring and tinting need a repeatable pump control for injecting dyes, colors, and brightener. Traditional pumps deliver the materials in varying flow rates,...


> Metering Pumps Used in Pharmaceutical Industry. Learn how WRS metering pumps can greatly improve medical & pharmaceutical production processes

- Published: 2019-11-08
- Modified: 2020-08-06
- URL: https://wrsdosing.com/market-segment/metering-pumps-used-in-pharmaceutical/

PHARMACEUTICAL Metering Pumps for Pharmaceutical Settings Dosing Pumps play a key role in several industries in the world. Just like other industries, you can find dosing pumps in the pharmaceutical industry. There are several pharmaceutical processes that require precision, and this is where metering pumps come into play. Because of the great deal of precision that is needed in pharmaceutical processes, extra care has to be taken when picking pharmaceutical equipment such as pumps. There is no denying it that the pharmaceutical industry needs a responsive pump solution given the nature of processes involved in making drugs. Because of the necessary care, emphasizes has to be placed on the nature and type of pumps used. There are lots of metering pumps in the market today, and they are needed in the pharmaceutical industry because of the precision they provide. What's more, they are able to meet up with the high-level hygienic requirements in the pharmaceutical industry. Depending on your use, dosing pumps can be versatile. They are instrumental when it comes to dispensing different chemicals or different batch sizes, and so on. In general pharmaceutical processes, dosing pumps are needed to transport fluids such as water, buffer, and so on through tubing, and safely deliver them to where it is required, and in most cases, this is usually a piece of process equipment. Another reason why metering pumps are popular in pharmaceuticals is the fact that they can help prevent contamination, and ensure fluids are delivered as expected. They can...


> Metering Pumps Used in Oil And Gas Industry. Are Metering Pumps Necessary? In the oil industry, dosing pumps are used within an extensive performance range

- Published: 2019-11-08
- Modified: 2020-08-06
- URL: https://wrsdosing.com/market-segment/metering-pumps-used-in-oil-and-gas-industry/

OIL & GAS Metering Pumps In The Oil Industry Dosing pumps have a variety of functions and use within the oil industry. One of their primary applications is in the oil industry is in the oilfield where they are used to deliver specialty chemicals into various production systems at a specific rate. When it comes to oil production, reliability and accuracy are two important features that cannot be compromised on. Both features are needed in getting the chemicals into the well, or any other areas where they are required. This is why specific metering pumps are a must in the oil industry. They guarantee reliability and accuracy when it comes to the production process. Generally speaking, irrespective of how great a product is, if there are discrepancies in the production process, it will become ineffective. Field operators in the oil field know just how essential pumps employed in the oil production process are. Something as minor as a tiny adjustment could be what sets your product apart from the others, and thus determine success or failure of operations. Why Are Metering Pumps Necessary? When it comes to the oil industry, lots of treatment programs require specific dosages of chemicals added to the system regularly. Because of this, there is a need for a piece of equipment capable of delivering an accurate volume of chemical into a system at a designated rate. In the oil industry, dosing pumps are used within an extensive performance range. They have different applications in various...


> Metering Pumps Used in Hospitality. Advantages of metering pumps for chemical dosing, standard to meet and things to put into consideration

- Published: 2019-11-08
- Modified: 2025-09-30
- URL: https://wrsdosing.com/market-segment/metering-pumps-used-in-hospitality/

HOSPITALITY Metering Pumps in Hospitality Dosing pumps are essential in many diverse industries, and as it is in other industries, you can also find dosing and metering pumps in the hospitality industry as well. The hospitality market is one that involves lots of processes that demand high accuracy and precision, and that is why metering pumps are highly sought-after in hospitality industry. Because of the need for quality and accuracy in some hospitality processes, there is a need to pick adequate materials that meet such specifications and strict requirements that is usually seen within the hospitality sector. We can easily say that the hospitality environment requires a viable pump system because of the types of processes and conditions the environment works within. Because of the precision required, the focus has to be placed on the kind of pumps employed. Dosing pumps are in high demand in the market today. Because they do not only guarantee precision, accuracy, and quality, they can also meet the strict hygienic demands of the hospital environment. They are also versatile and depending on their build, they can be durable as well. The versatility of dosing pumps come into play when it comes to transporting materials, and administering intravenous medication. The use of this highly precise equipment has led to the improvement of patient safety, minimize errors in administering medication and other great initiatives. In the hospital, metering pumps in the form of infusion pumps help prevent inadequate, or excessive infusion of medications. Apart from that,...


> Metering Pumps Used In Food And Beverage Industry by WRS. Find out why using metering pumps can be a better way for producing food and beverages

- Published: 2019-11-08
- Modified: 2020-08-06
- URL: https://wrsdosing.com/market-segment/metering-pumps-used-in-food-and-beverage-industry/

FOOD & BEVERAGES Food and Beverage Industry & Metering Pumps Pumps are becoming essential in the food and beverage industry, and their importance can be attributed to a lot of reasons. With each passing day, our daily routines are becoming swamped, and we are becoming even more, busier each day. Because of this, there is now a high demand for processed foods and beverages all around us. Food and beverage processing plants are springing up left right and center, and these plants are bringing in more products, and thus creating more dependence on plants. Let's take a basic example. In bars and cafes, equipment such as dispensers relies on pumps to adequately function, the same can be said even for cappuccino and espresso machines. In a more expansive food and beverage industry, pumps are designed to fit specified standards because the entire production process has to be kept clean for the materials, food, and beverage. Pumps have various applications in the food industry. They are used for multiple processes and substances that most people don't even know about. They are capable of transporting foods and beverages of different viscosity ranging from water to baked products, and so on. On the other hand, accurate units are used for dosing and metering to transport the precise amount of ingredients needed a particular production process. Metering pumps are often required when it comes to transporting small amounts of essential ingredients like vitamins and other additives to beverages and food. A typical example where...


> Electroplating & Metering Pumps. Electroplating requires a precise metering system to feed the right amount of chemicals. Criteria for Dosing Pumps

- Published: 2019-11-08
- Modified: 2020-08-06
- URL: https://wrsdosing.com/market-segment/metering-pumps-used-in-electroplating/

ELECTROPLATING Electroplating And Metering Pumps Electroplating requires a precise metering system to feed the right amount of chemicals and materials into the process. This is where dosing pumps come into play. A dosing pump ensures a safe and elegant process while ensuring your production bath receives the desired amount of chemicals. Criteria For Using the Right Pumps When choosing a dosing pump from the market consider the following criteria: Accuracy Dosing pumps should provide an accuracy of ±0. 5% consistently. Chemicals are used in specific concentrations, and as such, they have to be metered accurately. This ensures under/overdosing is prevented, thus saving you money, and maintaining the quality of the process. Corrosion resistance In electroplating baths, metering pumps must meet with lots of standards. They should be capable of delivering an extensive range of chemicals irrespective of their chemical composition. Top-quality metering pumps should be able to handle a variety of chemicals needed in the electroplating process. In addition to that, the pumps must be able to deliver the chemicals at different pressures, temperature, volume, and concentration. Safety Safety is an essential criterion that cannot be compromised. When selecting a pump, look at for red flags that can affect the safety of your plan. The design of the pump, as well as the materials used for construction play a vital part in the safety and durability of the pump. Top-quality performance In electroplating, the best solution is to employ dosing pumps that offer efficient and reliable services in handling various...


> WRS Metering Pumps Agricultural Sector. Selecting The Best Pumps for Your Agricultural Needs can be simplified by talking to WRS Dosing Pump experts

- Published: 2019-11-08
- Modified: 2025-09-23
- URL: https://wrsdosing.com/market-segment/metering-pumps-used-in-agriculture/

AGRICULTURE Selecting an Ideal Metering Pumps for your Agricultural Needs What makes chemical injection in any process successful, most especially in the agricultural environment, is the use of the right equipment. A typical dosing pump application in agriculture is used to inject large amounts of chemicals or liquids during a specification operation. Irrespective of the volumes of the liquids, there needs to be a high level of accuracy, with precise amounts delivered according to standards. In addition to that, the different array of injection pressure must be followed to the letter. The process of injecting liquids into various processes is something that is needed in agricultural applications. The range of applications and processes vary including: irrigation, fertilizer processes, water treatment, and others. These various highly demanding applications and processes need an unique pumping system that can successfully and accurately adhere to the injection and volume standards of the applications. Which Pumps Work Best within an Agricultural Settings? When choosing which metering pumps for chemical dosing is the best for a liquid injection application in your agricultural process, you need to consider the following variables: Materials of Construction Dosing pumps come in different shapes and sizes, and they are available in different materials ranging from different grades of stainless steel, plastic, and more. Before selecting a dosing pump in the market, you should consider the nature of the chemical/liquid that will pass through it. A rule of thumb is to check the solvent action and corrosion of the material. For instance,...


> Rotameter is a deice that measures the volumetric flowrate of fluid in a closed tube. WRS Rotameter also has an option to install high/low flowrate signal

- Published: 2019-11-05
- Modified: 2020-05-22
- URL: https://wrsdosing.com/metering-system-accessories/rotameter/

ROTAMETER ROTAMETER (FLOAT-TYPE FLOW METER) A rotameter is a device that measures the volumetric flowrate of fluid in a closed tube. A rotameter does not require external power or fuel, it uses only the inherent properties of the fluid, along with gravity to measure flowrate. It is simple to install, understand, cost effective and more importantly it is accurate. Since the area of the flow passage increases as the float moves up the tube, the scale is approximately linear. WRS Rotameter also has an option to install high/low flowrate signal, this gives our valued clients using our products more control on their systems. Model Connection Measuring Range D d H LZS-15 DN15 5-50 l/h 45 20 202 10-100 l/h 16 -160 l/h 25 250 l/h 40 - 400 l/h 60 - 600 l/h 100-1000 l/h LZS-20 DN20 40 - 400 l/h 45 25 202 60 - 600 l/h 100 - 1000 l/h LZS-25 DN25 100 - 1000 l/h 60 32 226 160 - 1600 l/h 250 - 2500 l/h LZS-32 DN32 0. 4 - 4 m3/h 74 40 288 0. 6 - 6 m3/h LZS-50 DN50 0. 4 - 4 m3/h 96 63 341 0. 6 - 6 m3/h 1 - 10 m3/h 1. 6 - 16 m3/h LZS-65 DN65 2. 5 - 16 m3/h 122 75 430 5 - 25 m3/h 8 - 40 m3/h 12 - 60 m3/h LZS-100 DN100 14 - 90 m3/h 215 110 555 20 - 120 m3/h LZS-125 DN125 20 - 120 m3/h 250...


> Actuated Valves also known as automated valves are mechanically operated by electric or pneumatic compared to a manual valve. Chemical Dosing System

- Published: 2019-11-03
- Modified: 2020-02-20
- URL: https://wrsdosing.com/metering-system-accessories/actuated-valves/

ACTUATED VALVE It is also known as automated valves. As the name itself, the valve is mechanically operated by electric or pneumatic. Comparing to a manual valve, it does not require user in attendance to make changes or control the valve. It can be control remotely, and this is crucial part of a process plant or systems. WRS offer four types of actuated valves. Electric powered butterfly valve Pneumatic powered butterfly valve Electric powered ball valve Pneumatic powered ball valve SERIES 987: ELECTRIC POWERED BUTTERFLY VALVE Actuator Parameters Power AC110, 220/380/DC24 Output Force 50N / 100N / 200N Operating Range 0 ~ 90° ± 5° Operating Time 15/30/60 seconds Environment Temperature Range -30°C ~ 60°C Input Signal On/Off Type: 0 – 10, 1-5VDC or Signal Type: 4-20mA Protection IP67 *Optional: Exd + IP67 Manual Operation Hand leaver Body Parameters Size DN50 – DN300 Rated Pressure PN1. 0MPa Material: Sleeve UPVC, CPVC, PP, ABS Material: Body UPVC, CPVC, PPH, PP, ABS Material: Seal EPDM, NBR, FPM, PTFE Temperature Range UPVC < 65°C PVDPC < 140°C CPVC < 90°C PP < 85°C Connection: Flange connection SERIES 887: PNEUMATIC POWERED BUTTERFLY VALVE Actuator Parameters Type Piston Type, Spring Type Required Air Power (Double Acting) 2 - 8 Bar Required Air Power (Single Acting) 4 - 8Bar Output Force (Double Acting) 4N. M ~10560N. M Output Force (Single Acting) 7N. M ~2668N. M Operating Range 0 ~ 90° ± 5° Working Temperature -20°C ~ 160°C *subject to O-Ring Selection Connection Method GTD40~83 / ATD50~88...


> Air Relief Valve MODEL 386 Metering System Accessories by WRS Chemical Dosing pumps components parts advice, ask our experts contact WRS

- Published: 2019-11-03
- Modified: 2025-09-30
- URL: https://wrsdosing.com/metering-system-accessories/air-relief-valve/

AIR RELIEF VALVE MODEL 386 Model Size H B G d D 38615 DN15 145 G 3/4" G 1/2" 11. 5 80 38625 DN25 145 G 3/4" G 1" 20 80 38632 DN32 145 G 3/4" G 1 1/4" 20 80 38640 DN40 160 40 G 1 1/2" 40 100 38650 DN50 160 40 G 2" 45 100 MODEL 387 Model Size H B G d D 38715 DN15 76 20 G 1/2" 16. 2 63 38720 DN20 76 25 G 3/4" 18 63 Have a question? Ask us! Ask An Expert


> Calibration Column. Sizing a calibration column is based on your pump flowrate, for example is at 60LPH, and user required

- Published: 2019-11-03
- Modified: 2020-02-20
- URL: https://wrsdosing.com/metering-system-accessories/calibration-column/

CALIBRATION COLUMN Sizing: Sizing a calibration column is based on Example: If your pump flowrate is at 60LPH, and user required MODEL SELECTION Model Volumn (ml) Diameter (mm) Height (mm) Standard Connection LGBD-100 100 32 280 Female Thread 1/2" LGBD-200 200 40 320 Female Thread 1/2" LGBD-300 300 50 320 Female Thread 1/2" LGBD-400 400 50 400 Female Thread 1/2" LGBD-500 500 63 350 Female Thread 1/2" LGBD-1000 1000 63 455 Female Thread 1/2" LGBD-2000 2000 75 805 Female Thread 3/4" LGBD-3000 3000 110 640 Female Thread 1" LGBD-4000 4000 110 640 Female Thread 1" LGBD-6000 6000 110 1000 Female Thread 1 1/2" LGBD-8000 8000 140 935 Female Thread 1 1/2" LGBD-10000 10000 140 1110 Female Thread 2" Have a question? Ask us! Ask An Expert


> Diaphragm Pressure Gauge with instrument Outer Diameter: φ60MM / φ100MM and Working pressure: static load: 3/4 of the upper limit of measurement

- Published: 2019-11-03
- Modified: 2025-09-30
- URL: https://wrsdosing.com/metering-system-accessories/diaphragm-pressure-gauge/

DIAPHRAGM PRESSURE GAUGE Instrument Outer Diameter: φ60MM / φ100MM Accuracy Level: 6% Measuring Range: 0-1. 6MPa Working Temperature: -20～70℃ Connector Material: Copper Alloy Diaphragm Material: PP/PVC/PTFE/EPDM Thread Size: 1/4" , 3/8" , 1/2", 3/4", 1" Ingress Protection: IP54 Meter Fluid: Silicone Oil Working pressure: static load: 3/4 of the upper limit of measurement Alternating load: 2/3 of the upper limit of measurement Model Body Material Diaphragm Material D (mm) H (mm) Connection 786-U UPVC FPM, PTFE 79 161 G1/2”, G1/4” F thread or DN15, DN20 Socket 786-P PP FPM, PTFE 79 161 G1/2”, G1/4” F thread 786-V PVDF PTFE 79 161 G1/2”, G1/4” F thread Have a question? Ask us! Ask An Expert


> In-Line (Static) Mixers for Metering Systems with no moving parts and works extremely well in creating emulsions. Chemical Dosing System Accessories by WRS

- Published: 2019-10-20
- Modified: 2020-02-20
- URL: https://wrsdosing.com/metering-system-accessories/in-line-static-mixer/

IN-LINE (STATIC) MIXER SIMPLE YET EFFECTIVE MIXING A static mixer has no moving parts and works extremely well in creating emulsions, stable suspensions of one liquid in a second immiscible liquid. Static mixers create stable emulsions because they reduce the particles to a smaller size so they stay together in a stronger bond for a longer period of time. In general, static mixers work by dividing streams of ingredients that need to be mixed. The ingredient stream typically is forced through the static mixer by a pump. The ingredients then are split into substreams as they are forced through the mixer. These substreams then are recombined and divided once again. This process might be repeated numerous times. Model DN D (mm) L1 (mm) L2 (mm) Flow (m3/h) Connection SK68615 DN15 20 252 156 0. 4 - 1 Socket, Thread or Flange SK68620 DN20 25 330 225 0. 6 - 1. 8 SK68625 DN25 32 420 292 1 - 3. 2 SK68632 DN32 40 195 336 1. 4 - 6 SK68640 DN40 50 565 406 2. 2 - 10 SK68650 DN50 63 695 497 3. 5 - 20 SK68665 DN65 75 900 642 10 - 60 SK68680 DN80 90 880 770 15 - 80 SK686100 DN100 110 990 850 30 - 120 Have a question? Ask us! Ask An Expert


> Venturi injectors are a highly efficient way to introduce liquid or gas into water. They are ideal for dosing chemicals, aerating water, dosing ozone and fertigation without additional pump.

- Published: 2019-10-20
- Modified: 2025-09-23
- URL: https://wrsdosing.com/metering-system-accessories/venturi/

VENTURI CHEMICAL INJECTION WITHOUT A PUMP Venturi injectors are a highly efficient way to introduce liquid or gas into water. They are ideal for dosing chemicals, aerating water, dosing ozone and fertigation without additional pump. Venturis work on a principle of differential pressure. In short, water flows into the Venturi at a higher pressure than that at which it exits. This pressure difference creates a vacuum at the suction port on the side of the device. This sucks air, ozone or liquid into the main water stream. So, the greater the difference in pressure, the greater the vacuum and, with that, the greater the efficiency of mixing. Model G L L1 h H g 58608 G 1/4" M Thread 113 88 16 43 1/4" Hose Connect 58615 G1/2" M Thread or 20mm 139 110 28 63 G 1/4" M Thread + 1/4" Hose Connect 58620 G3/4" Thread or 25mm 157 111 28 63 G 1/4" M Thread + 1/4" Hose Connect 58625 G 1" M Thread or 32mm 225 181 37 88 G 1/2" M Thread + 3/8" Hose Connect 58632 G 1 1/4" M Thread or 40mm 230 185 37 88 G 1/2" M Thread + 3/8" Hose Connect 58640 G 1 1/2" M Thread o 50mm 257 208 37 89 G 1/2" M Thread + 3/8" Hose Connect 58650 G 2" M Thread or 50mm 257 208 37 89 G 1/4" M Thread 58665 G 2 1/2" M Thread or DN 65 Flange 410 310 36 80 G...


> During pump discharge, fluid enters the wetted chamber of the WRS Pulsation Dampener, displacing the bladder, compressing the gas and absorbing the shock.

- Published: 2019-10-20
- Modified: 2025-09-30
- URL: https://wrsdosing.com/metering-system-accessories/pulsation-dampener/

PULSATION DAMPENER KEEPING YOUR SYSTEM CONSISTENT A pulsation damper is a common component for eliminating pipe pulsation and it is an accessory that must be provided for a metering pump system. WRS’s Pulsation Dampeners are designed to reduce pulsation and vibration in the pipe system that is caused by a metering pump or plunger pump. It ensures a smooth and continuous flow of the system. By removing the pulsation flows, the efficiency and accuracy of the pump system can be increase significantly. On the other hand, it helps to protect the pump, seals, gaskets of the entire systems from vibration and result in a longer lasting safer system. Compressed air or gas is introduced into the air chamber of the Pulsation Dampener to a specified pressure. The gas is entrapped by the elastomeric bladder, which prevents contact between the process fluid and compressed gas. During pump discharge, fluid enters the wetted chamber of the WRS Pulsation Dampener, displacing the bladder, compressing the gas and absorbing the shock. During pump shift, liquid pressure decreases, the dampener gas expands, pushing fluid back into the process line. Whether a piston, plunger, air diaphragm, peristaltic, gear, or diaphragm metering pump a WRS Pulsation Dampener placed at the pump’s discharge will produce a steady fluid flow up to 99% pulsation free; protecting the entire pumping system from the damaging effects of shock. Features Quick Installation In-line Maintenance Bodies in a full range of Chemical Resistant materials Bladders for even the most corrosive applications Produces near...


> Y-Strainers used in Metering System, manufactured by WRS Y-Strainers designed for chemical dosing usage comes with various choice of materials

- Published: 2019-10-20
- Modified: 2020-02-19
- URL: https://wrsdosing.com/metering-system-accessories/y-strainers/

Y-STRAINERS WRS Y-strainers are specially designed for chemical dosing usage. It comes with various choice of materials for different applications. Standard material shall be UPVC. User may select optional material such as CPVC, PVDF or SS304 depending on their transfer liquid. Generally, it is installed in front of a metering pump or valve to filter out solids in the liquid. It may be a small little piece of accessory, but it helps tremendously on increasing the lifespan of a dosing pump or valves. Model Size L d D I h 28615 DN15 190 20 52. 6 22 106 28620 DN20 183 25 52. 6 19 106 28625 DN25 199 32 60. 8 21 124. 4 28632 DN32 258 40 83. 5 34 173 28640 DN40 258 50 83. 5 34 173 28650 DN50 292. 6 63 104 40 204 28665 DN65 420 75 122 41 251 28680 DN80 430 90 155 50 260 Materials: UPVC, CPVC, PVDF, SS304 Filter Size: 10 mesh, 20 mesh, 40 mesh Have a question? Ask us! Ask An Expert


> Safety Valve and Back Pressure Valves used in chemical dosing, safety valves for metering pumps manufactured by WRS general specifications and features

- Published: 2019-10-19
- Modified: 2020-02-19
- URL: https://wrsdosing.com/metering-system-accessories/safety-valve-and-back-pressure-valve/

SAFETY VALVE / BACK PRESSURE VALVE KEEP YOUR SYSTEM IN CHECK Safety Valve is one of the most crucial accessories in a chemical dosing system. It is also referred as pressure relief valve in the industry. Safety valve helps to prevent system being over pressure. In a typical setup, it shall be installed along the return pipeline after the metering pump. While installing a safety valve, it shall be installed as close as possible towards the dosing pump and there shouldn’t be any valve in between. When the pressure in the system pipeline exceeds the preset value, the diaphragm and the shaft are jacked up, and the medium is discharged back to the return pipe. The preset value can be adjusted directly on the safety valve itself. The preset value can be adjusted within 0 – 1Mpa by adjusting the adjustable nut. The relief pressure is generally set higher than the system pressure by 0. 1-0. 2Mpa and not exceeding the maximum pressure of the metering pump. Back pressure valve is very similar to safety valve, but the emphasis is on steady state pressure control instead of on/off actuation. It shall be installed on the positive pressure side along the discharge pipe of the metering pump. A back-pressure valve can prevent the occurrence of siphoning and reduce unstable dosage which is caused by the pressure fluctuation. To adjust the set value, remove the protective cap, rotate the adjusting nut, and set within the range of 0-0. 6 MPa. It is...


> ML Series Solenoid Driven Dosing Pump by WRS. ML metering pump is a microprocessor controlled solenoid diaphragm pump with changeable frequency

- Published: 2019-08-13
- Modified: 2020-02-20
- URL: https://wrsdosing.com/solenoid-driven-dosing-pumps/ml-series-dosing-pump/

ML SERIES SOLENOID DRIVEN DOSING PUMP ML metering pump is a microprocessor controlled solenoid diaphragm pump with changeable frequency. It is capable for all kinds of solutions dosing, including corrosive solutions. It is widely used in petroleum, chemical, food, pharmaceutical, paper, light industry, agriculture, water conservancy and other industrial and technological sectors, in the process solution metering and dosing. Solenoid metering pump is the use of electromagnetic push rod driven diaphragm in the pump head reciprocating movement, causing the pump head chamber volume and pressure changes. Changes in pressure caused by suction 4 valve and discharge valve opening and closing, to achieve quantitative liquid suction and discharge. ML solenoid metering pump rated flow range is 1 ~ 20 l / h, with corresponding maximum output pressure of 10 ~ 1bar. The pump outlet displacement can be adjusted according to the pulse frequency selection switch. It is a simple structure, low energy consumption, accurate measurement, with a new screen display of electromagnetic diaphragm metering pump. What is the difference with MLS Series? The main difference between ML and MLS Series is the option to control remotely. The MLS Series has an additional signal connection for 4-20mA signal or pulse connection. While ML Series does not have this option. Other than that, all parameters perform the same. FEATURES Small size & easy installation. Simple control design, control everything with only three buttons. Specially designed for handling corrosive liquids. Varieties of material options, for different applications. Controllable flowrate at both working and non-working...


> Air Operated Diaphragm Pumps by WRS Chemical Dosing Manufacturer. Model JQ06 JQ15/20 JQ25 JQ40 JQ50 and Model JQ80 dosing pumps products detailed

- Published: 2019-08-05
- Modified: 2026-08-23
- URL: https://wrsdosing.com/air-operated-diaphragm-pumps/

Air Operated Diaphragm Pump Model JQ06 Max. Working Pressure 7 Bar Air Pressure Range 1. 8 - 7 Bar Max. Air Consumption 0. 25 m3/min Max. Free Flow 19 l/min Max. Solid Particles Size 1. 5 mm Air Inlet Size 1/4 Inch Air Outlet Size 1/4 Inch Body Material PP / Aluminum / Stainless Steel Model JQ15/20 Max. Working Pressure 7 Bar Air Pressure Range 1. 8 - 7 Bar Max. Air Consumption 0. 67 m3/min Max. Free Flow 57 l/min Max. Solid Particles Size 2. 5mm Air Inlet Size 1/4 Inch Air Outlet Size 3/8 Inch Body Material PP / Aluminum / Stainless Steel Model JQ25 Max. Working Pressure 8. 4 Bar Air Pressure Range 1. 4 - 8. 4 Bar Max. Air Consumption 1. 5 m3/min Max. Free Flow 150 l/min Max. Solid Particles Size 3. 2 mm Air Inlet Size 1/2 Inch Air Outlet Size 3/4 Inch Body Material PP / Aluminum / Stainless Steel Model JQ40 Max. Working Pressure 8. 4 Bar Air Pressure Range 1. 4 - 8. 4 Bar Max. Air Consumption 3 m3/min Max. Free Flow/td> 378 l/min Max. Solid Particles Size 4. 8 mm Air Inlet Size 1/2 Inch Air Outlet Size 3/4 Inch Body Material PP / Aluminum / Stainless Steel Model JQ50 Max. Working Pressure 8. 4 Bar Air Pressure Range 1. 4 - 8. 4 Bar Max. Air Consumption 4. 2 m3/min Max. Free Flow/td> 568 l/min Max. Solid Particles Size 6. 3 mm Air Inlet Size 1/2 Inch...


> Metering System Accessories Safety Valve Y-Strainers Pulsation Dampeners In-Line Mixers Pressure Gauge Calibration Column Air Relief Valve Actuated Valve

- Published: 2019-08-05
- Modified: 2026-08-23
- URL: https://wrsdosing.com/metering-system-accessories/

Metering System Accessories Safety Valve View details ... Y-Strainers View details ... Pulsation Dampener View details ... Venturi View details ... In-Line Mixer View details ... Pressure Gauge View details ... Calibration Column View details ... Air Relief Valve View details ... Actuated Valve View details ... Rotameter View details ... Typical Metering System Setup In a complete chemical dosing system, it consists of more than just a pump. Along the pipeline, there are many crucial accessories such as safety valve, back pressure valve, pulsation dampener, check valve, strainers and other accessories that goes in to metering system setup. All these components play it roles to make the system more effective. Below image shows how a typical metering system is setup. Have a question? Ask us! Ask An Expert


> Motor Driven Chemical Dosing Pump. WRS motor driven dosing pumps are designed to operated with the minimum input power yet able to produce high flowrate

- Published: 2019-08-05
- Modified: 2026-08-25
- URL: https://wrsdosing.com/chemical-dosing-pump/motor-driven-diaphragm-dosing-pumps/

Loading... A NEW WAY OF CHEMICAL DOSING Digitalize your chemical dosing process with WRS SMART digital dosing pumps. Motor Driven Diaphragm Chemical Dosing Pump MG SERIES Non-Changable Motor Dosing Pump Flowrate: 15 - 150 LPH Pressure: 10 - 4 Bar Material: PVC / PVDF / SS304 / SS316 Remote Flowrate Control: No, Manual Control Only View details ... MA SERIES Interchangeable Motor Dosing Pump Flowrate: 12 - 500 LPH Pressure: 8 - 5 Bar Material: PVC / PVDF / SS304 / SS316 Remote Flowrate Control: With additional actuator View details ... MB SERIES Interchangeable Motor Dosing Pump Flowrate: 240 - 1800 LPH Pressure: 10 - 3 Bar Material: PVC / PVDF / SS304 / SS316 Remote Flowrate Control: With additional actuator View details ... Model Comparison TableMG ParametersMA & MB ParametersModel Comparison Table COMPARISON TABLE MG MA MB Performance Range Flowrate (Lph) 15 - 150 15-500 250 - 2000 Pressure 10 - 3 10 - 5 10 - 3 Lubrication Oil Lubricated Design - √ √ Greese Lubracated Design √ - - Power Option *1 380V √ √ √ 220V √ √ √ 50Hz √ √ √ 60Hz √ √ √ Single phase √ √ √ Three phase √ √ √ Flowrate control Manual stroke length control. (0-100%) √ √ √ Electric stroke length actuator *2 - - - Motor Type *1 Standard motor √ √ √ Variable speed motor √ √ √ Explosion proof motor (Exd IIB T4) √ √ √ Variable speed & Explosion proof motor (Exd IIB...


> Solenoid Driven Dosing Pumps by WRS ML & ML-S dosing pump is a microprocessor-controlled solenoid diaphragm type chemical dosing pump

- Published: 2019-08-05
- Modified: 2026-08-25
- URL: https://wrsdosing.com/chemical-dosing-pump/solenoid-driven-dosing-pumps/

Loading... A NEW WAY OF CHEMICAL DOSING Digitalize your chemical dosing process with WRS SMART digital dosing pumps. Solenoid Driven Diaphragm Chemical Dosing Pump Series EML MODELS Flowrate: 1 - 20 LPH Pressure: 10 - 1 Bar Material: PVC / PVDF / SS304 / SS316 Flowrate Control: Pulse / 4-20mA Signal Control View details ... MLS SERIES Flowrate: 1 - 20 LPH Pressure: 10 - 1 Bar Material: PVC / PVDF / SS304 / SS316 Flowrate Control: Pulse / 4-20mA Signal Control View details ... ML SERIES Flowrate: 1 - 20 LPH Pressure: 10 - 1 Bar Material: PVC / PVDF / SS304 / SS316 Flowrate Control: Manual Only View details ... Model Comparison TableIdentification CodeTechnical ParametersMaterial TableWeight & DimensionModel Comparison Table EML MLS ML GENERAL Pump Display 48 x 30mm Back Light LCD Screen √ - - 4 Digit 7-segment LED Display - √ √ Home Screen Display Information Flowrate Percentage (%) √ √ √ Current Dosing Flowrate Display (LPH) √ - - Accumulated Dosed Volume (L) √ - - Operating Method 3 Soft Buttons (Start/Stop; Up; Down) √ √ √ Calibration Function Enter the actual flowrate to get the true performance range of the pump √ - - Stroke Speed Adjustment Every pump comes with Stroke Speed adjustment feature. Allowing user to fine tune discharge flowrate. √ √ √ Included Accessories* Injection valve, foot valve, bleed valve, PE Hose, Ceramic Weight. *(Not available for Stainless Steel Pump Head) √ √ √ Signal Cable Included as accessories for EML...


> MLS Series Solenoid Driven Dosing Pump by WRS. MLS metering pump is capable for all kinds of solutions dosing, including corrosive solutions

- Published: 2019-08-04
- Modified: 2020-02-20
- URL: https://wrsdosing.com/solenoid-driven-dosing-pumps/mls-series-dosing-pump/

MLS SERIES PULSE/4-20mA CONTROL SOLENOID DRIVEN DOSING PUMP MLS metering pump is a microprocessor controlled solenoid diaphragm pump with changeable frequency. It is capable for all kinds of solutions dosing, including corrosive solutions. It is widely used in petroleum, chemical, food, pharmaceutical, paper, light industry, agriculture, water conservancy and other industrial and technological sectors, in the process solution metering and dosing. Solenoid metering pump is the use of electromagnetic push rod driven diaphragm in the pump head reciprocating movement, causing the pump head chamber volume and pressure changes. Changes in pressure caused by suction 4 valve and discharge valve opening and closing, to achieve quantitative liquid suction and discharge. MLS solenoid metering pump rated flow range is 1 ~ 20 l / h, with corresponding maximum output pressure of 10 ~ 1bar. The pump outlet displacement can be adjusted according to the pulse frequency selection switch. It is a simple structure, low energy consumption, accurate measurement, with a new screen display of electromagnetic diaphragm metering pump. What is the difference with ML Series? The main difference between ML and MLS Series is the option to control remotely. The MLS Series has an additional signal connection for 4-20mA signal or pulse connection. While ML Series does not have this option. Other than that, all parameters perform the same. FEATURES Multiple signal control: 4-20mA Signal, pulse signal, RS485 communications. Simple control design, control everything with only three buttons. Specially designed for handling corrosive liquids. Varieties of material options, for different applications. Controllable...


> MA Series Motor Driven Chemical Dosing Pump by WRS, this metering pump is a volumetric, mechanically operated reciprocating metering pump

- Published: 2019-07-17
- Modified: 2020-08-11
- URL: https://wrsdosing.com/motor-driven-dosing-pumps/ma-series-dosing-pump/

MA SERIES MOTOR DRIVEN DOSING PUMP The MA series metering pump is a volumetric, mechanically operated reciprocating metering pump. It is widely used in industrial and scientific industry such as petrochemical, chemical processing, food, pharmaceutical, paper, light industry, agriculture, water plant environmental protection, etc. , and it is responsible for the measurement and addition of various media in the process. Different pump head materials are available to handle different type of fluid. The standard configuration is PVC material, and materials such as 304, 316, PVDF are available too. MA series metering pumps can pump corrosive or non-corrosive liquid without solid particles at the temperature range of -15 ° C ~ 60 ° C and a viscosity range of 0. 3 ~ 1000 cps. The rated flowrate of the pump ranges from 10 to 1800 l/h, and the corresponding maximum output pressure is 10 to 1 bar. The flowrate of the pump can be adjusted by adjusting the rotation of the handwheel, and the pump can be adjusted from 0% to 100% regardless of whether the pump is running or not. Steady-state accuracy is ±1% over the 30% to 100% flow range. It is a metering pump with simple structure, low energy consumption, accurate measurement and practicality. Different types of metering pumps can be equipped with explosion-proof motors or variable frequency motors as required. FEATURES Leak free design. Smooth flowrate adjustment in both operating and non operating condition. Specially designed for handling corrosive liquids. Varieties of material options, for different applications....


> MB Series Metering Pump by WRS is a volumetric, mechanically operated reciprocating metering pump. Used in diverse industries, MB Series chemical dosing pump

- Published: 2019-07-04
- Modified: 2020-08-11
- URL: https://wrsdosing.com/motor-driven-dosing-pumps/mb-series-dosing-pump/

MB SERIES MOTOR DRIVEN DOSING PUMP The MB series metering pump is a volumetric, mechanically operated reciprocating metering pump. It is widely used in industrial and scientific industry such as petrochemical, chemical processing, food, pharmaceutical, paper, light industry, agriculture, water plant environmental protection, etc. , and it is responsible for the measurement and addition of various media in the process. Different pump head materials are available to handle different type of fluid. The standard configuration is PVC material, and materials such as 304, 316, PVDF are available too. MB series metering pumps can pump corrosive or non-corrosive liquid without solid particles at the temperature range of -15 ° C ~ 60 ° C and a viscosity range of 0. 3 ~ 1000 cps. The rated flowrate of the pump ranges from 10 to 1800 l/h, and the corresponding maximum output pressure is 10 to 1 bar. The flowrate of the pump can be adjusted by adjusting the rotation of the handwheel, and the pump can be adjusted from 0% to 100% regardless of whether the pump is running or not. Steady-state accuracy is ±1% over the 30% to 100% flow range. It is a metering pump with simple structure, low energy consumption, accurate measurement and practicality. Different types of metering pumps can be equipped with explosion-proof motors or variable frequency motors as required. FEATURES Large flowrate. Up to 1800 LPH. Leak free design. Smooth flowrate adjustment in both operating and non operating condition. Specially designed for handling corrosive liquids. Varieties...


> MG Series Motor Driven Chemical Dosing Pump used in petroleum, chemical, food, pharmaceutical, paper, agriculture, water treatment and other sectors

- Published: 2019-07-04
- Modified: 2025-09-09
- URL: https://wrsdosing.com/motor-driven-dosing-pumps/mg-series-dosing-pump/

MG SERIES DOSING PUMP MOTOR DRIVEN DOSING PUMP MG series metering pump is a volumetric, mechanically operated reciprocating metering pump. Widely used in petroleum, chemical, food, pharmaceutical, paper, light industry, agriculture, water plant and other industrial and technological sectors, in the process of dealing with all kinds of media measurement and dosing applications. According to different media, different selection of materials is available, including PVC, SS304, SS316, PTFE and others. MG series metering pump can transport temperature -15 ℃ ~ 60 ℃, viscosity 0. 3 ~ 1000cps corrosive or non-corrosive liquid which does not contain solid particles. Pump rated flow range is 15 ~ 130 l / h, with corresponding maximum output pressure of 10 ~ 4bar. The flow rate of the pump can be adjusted by the hand wheel from 0% to 100%, regardless of whether the pump is running or not. In the range of 30% ~ 100% flow rate, the steady-state accuracy is ± 1%. It is a simple structure, small energy consumption, accurate measurement practical metering pump. Different models can be configured according to the requirements of 220V, 380V or other voltage motor. Please refer to the company's product brochures for pump model specifications and parameters. FEATURES Leak free design. Smooth flowrate adjustment in both operating and non operating condition. Specially designed for handling corrosive liquids. Varieties of material options, for different applications. Controllable flowrate at both working and non-working condition. Compact modular design. ±1% accuracy dosing rate within 10-100% of the nominal flowrate. Check valve...


- Published: 2019-06-27
- Modified: 2020-05-16
- URL: https://wrsdosing.com/privacy-policy/

Who we are Our website address is: https://www. wrsdosing. com. What personal data we collect and why we collect it General policy: if you are simply browsing through our web site: we do not collect personally identifiable sensitive information about you if you only browse our website. Comments When visitors leave comments on the site we collect the data shown in the comments form, and also the visitor’s IP address and browser user agent string to help spam detection. An anonymized string created from your email address (also called a hash) may be provided to the Gravatar service to see if you are using it. The Gravatar service privacy policy is available here: https://automattic. com/privacy/. After approval of your comment, your profile picture is visible to the public in the context of your comment. Visitor comments may be checked through an automated spam detection service. How long we retain your data If you leave a comment, the comment and its metadata are retained indefinitely. This is so we can recognize and approve any follow-up comments automatically instead of holding them in a moderation queue. What rights you have over your data When you have left comments, email us, or use our contact form, you can request to receive an exported file of the personal data we may hold about you, including any data you have provided to us. You can also request that we erase any personal data we hold about you. This does not include any data we are...


> Knowledge Base - Chemical Dosing Metering Pumps. What is chemical dosing and metering pump systems. WRS chemical dosing mаnufасturіng, ѕuррlу and еxроrt

- Published: 2015-07-02
- Modified: 2019-12-23
- URL: https://wrsdosing.com/knowledge/

Knowledge Base - Chemical Dosing Metering Pumps Skip to contentManufacturing Metering Pumps since 2008(555) 802-1234info@wrsdosing.comToggle NavigationHomeWho We AreTrusted Manufacturer &#038; SupplierOur ProductsDigital Intelligence Eignal SeriesEMG ModelsEML ModelsSolenoid Driven Picol SeriesML SeriesMLS SeriesMotor Driven Strust SeriesMG SeriesMA SeriesMB ModelsAir Operated Diaphragm PumpsAccessoriesMarket SegmentKnowledgeContact Guide to Stroke Adjustment and Flow Rate in Dosing Pumps Gallery Guide to Stroke Adjustment and Flow Rate in Dosing Pumps knowledge Guide to Stroke Adjustment and Flow Rate in Dosing PumpsMany industries rely on dosing pumps for accurate chemical handling. These include water treatment, agriculture, chemical processing, and food production. For any dosing application to succeed, operators need to carefully manage two key variables: stroke adjustment and flow rate. These two factors determine how much fluid the pump doses. They also affect how accurately and [...]wrsmanager2025-08-11T06:01:33+00:00August 11th, 2025|knowledge| Read More What Makes a Smart Dosing Pump? A Deep Dive into the Eignal Series EMG Model Gallery What Makes a Smart Dosing Pump? A Deep Dive into the Eignal Series EMG Model knowledge What Makes a Smart Dosing Pump? A Deep Dive into the Eignal Series EMG ModelIn industrial operations where accuracy and reliability are non-negotiable, smart dosing pumps are practically the best for keeping operations smooth and cost-effective.  But what exactly makes a dosing pump smart? In this post, we explore how our Eignal Series EMG Model by WRS sets the standard through advanced digital features tailored for modern industrial usage. [...]wrsmanager2025-07-30T08:42:47+00:00July 30th, 2025|knowledge| Read More Maximize Efficiency: The Ultimate Guide to Choosing the Right Dosing Pump...


> Contact WRS - Your Global Chemical Dosing Systems Solutions Provider. Conveniently located to serve you better throughout the world. Contact WRS Chemical Dosing

- Published: 2015-07-01
- Modified: 2026-08-17
- URL: https://wrsdosing.com/contact-us/

GET IN TOUCH WITH US! For general Inquiries: info(at)wrsdosing. com For distributor or bulk buying application: international(at)wrsdosing. com Note: "@" is replaced by (at) to prevent spam bots. Our Locations: Italy WRS S. R. L. MILANO (MI)VIA BORROMEI 2 CAP 20123 China 浙江多赛机械设备有限公司 浙江省杭州市萧山区北干街道金城路Singapore WRS Pte Ltd 60 PAYA LEBAR ROAD, #11-37 PAYA LEBAR SQUARE, SINGAPORE 409051 Hong Kong HONGKONG WEIERSAI LIQUID CONTROL CO. , LIMITED RM19C, LOCKHART CENTRE, 301-307 LOCKHART ROAD, WAN CHAI, HK Russia POLIPLAST, LTD Октябрьский пр. , д. 50, пом. 1001, 180004, г. Псков, Псковская обл. "Alone we can do so little, together we can do so much. " --Helen Keller


> Market Segment for WRS Chemical Dosing Products. WATER TREATMENT, ELECTROPLATING, PHARMACEUTICAL, OIL & GAS INDUSTRIES and more ...

- Published: 2015-02-20
- Modified: 2026-08-17
- URL: https://wrsdosing.com/market-segment/

MARKET SEGMENTS WE SERVE The use of metering technology and water treatment solutions may vary considerably depending on the industry and application. You can rely on the experience and know-how of our highly skilled experts to find the most efficient right solutions for you. We achieve this by carefully analysing your specific requirements, then offer individual advice for selecting the right WRS product, with one aim in mind: reliability, efficiency and customer satisfaction. Talk to our experts who understand exactly what it takes to have the perfect chemical dosing system. Because WRS's industry experts have years of thorough engineering expertise, and we enjoy delivering results for all our valued customers. Working in close collaboration alongside you, our valued customer, we deliver practical results that are cost effective and reliable. Get the competitive edge we can deliver: working with our application expertise of our engineers you'll receive shorter delivery times, reliable service and faster solutions. WATER TREATMENT The basic function of dosing pumps is to inject chemicals at a specified flowrate into a particular process or destination. This process is known as metering. The entire metering process is used to... Read More. ELECTROPLATING Electroplating and surface treatment requires a precise metering system to feed the right amount of chemicals and materials into the process. This is where dosing pumps come into play. A dosing pump ensures... Read more. PAPER AND PULP In the pulp and paper industry, using the right pump at the proper process makes a significant difference in the...


> About WRS Chemical Dosing Pumps and Parts Manufacturer. WRS mаnufасtures, ѕuррlies and еxроrts metering pumps and chemical dosing parts worldwide. Your reliable partner WRS

- Published: 2015-02-20
- Modified: 2026-08-17
- URL: https://wrsdosing.com/who-we-are/

IMage TitleTESTTESTAbout WRS Dosing Pump Founded in 2008, WRS has grown into a trusted name in the manufacturing, supplying, and exporting of metering pumps and related solutions. Backed by years of hands-on experience and technical expertise, we have achieved proficiency in delivering products that combine engineering precision, high performance, and lasting reliability. Every product is designed and developed by specialized professionals who understand the growing needs and preferences of our valued clients.     Global Reach & Capabilities From our 33,400 sqm factory, WRS manufactures over 40,000 units each year, supporting clients across industries worldwide. With distribution in more than 50 countries, our pumps serve diverse applications in water treatment, chemical processing, food and beverage, agriculture, pharmaceuticals, and beyond. 0unitsManufacturing over 40k units per year. 0sqmFactory size over 33,400sqm. >0Supplying to over 50 countries around the world. Why Choose WRS WRS continues to identify new areas of added value, reinvesting in technology and research to maintain competitiveness and long-term growth. Our financial stability, global distribution network, and relentless drive for innovation ensure we deliver not just products, but solutions that empower our clients to achieve more. We are Worldwide. Reliable. Smart. And we are committed to delivering dosing pump solutions that exceed expectations. OUR TEAM Our strength lies in our people. The WRS team includes design engineers, equipment specialists, field service experts, and customer support professionals who work closely with clients at every stage. Experienced graduate engineers are on staff to assist with: Equipment selection and installation planning Layout design...


> WRS Metering Pump Manufacturer. Manufacturing Chemical Dosing Pumps Since 2008. WRS mаnufасtures, ѕuррlies and еxроrts broad range of mеtеrіng pumрѕ globally

- Published: 2015-02-20
- Modified: 2026-08-16
- URL: https://wrsdosing.com/

Loading... EIGNAL SERIES Digital Intelligence Dosing Pump Loading... How can we help you? CHEMICAL DOSING Ensuring accurate dosing in the world of chemical dosing. WATER QUALITY MONITORING Ensuring your water quality reading is live and connected to the dosing system. DOSING SYSTEM ACCESSORIES In a complete chemical dosing system, it consists of more than just a pump. Along the pipeline, there are many crucial accessories such as safety valve, back pressure valve, pulsation dampener, check valve, strainers etc. All these components play it roles to make the system more effective. COMPLETE DOSING SYSTEM In a complete chemical dosing system, it consists of more than just a pump. Along the pipeline, there are many crucial accessories such as safety valve, back pressure valve, pulsation dampener, check valve, strainers etc. All these components play it roles to make the system more effective. MIXING Other than pump manufacturing, WRS also provides complete skid design for you chemical dosing applications. Such as Polymer Preparation System, flocculant & coagulant dosing. From design, manufacture, logistic, we got you covered. All design shall be according to client requirements. TRANSFER Other than pump manufacturing, WRS also provides complete skid design for you chemical dosing applications. Such as Polymer Preparation System, flocculant & coagulant dosing. From design, manufacture, logistic, we got you covered. All design shall be according to client requirements. MODULAR SYSTEM Other than pump manufacturing, WRS also provides complete skid design for you chemical dosing applications. Such as Polymer Preparation System, flocculant & coagulant dosing. From design,...




## Posts

> Selecting the correct pump head material ensures not only chemical compatibility but also longer pump life, reduced maintenance, and safer operation across all industrial applications.

- Published: 2025-10-14
- Modified: 2025-10-14
- URL: https://wrsdosing.com/metering-pumps/8-common-pump-head-materials-and-their-fluid-compatibility/
- Categories: Dosing Pump, knowledge, Metering Pumps
- Tags: Dosing Pumps, Metering Pump, Pump Head Materials

The choice of pump head material determines how well a pump handles corrosion, temperature, and chemical attack. Since the pump head is the part that comes in direct contact with the fluid, choosing the wrong material can lead to leaks, rapid wear, or total failure. To ensure long service life and safe operation, the material must be compatible with the fluid’s chemical properties. Below are eight common pump head materials, their fluid compatibility, and where they are typically used across industries. 1. PVC (Polyvinyl Chloride) Compatible Fluids: Mild acids, alkalis, and water-based chemicals. PVC is one of the most cost-effective and corrosion-resistant materials for general-purpose pumps. It performs well in applications involving neutral or slightly aggressive fluids, such as sodium hypochlorite, cleaning agents, and fertilizers. Because of its light weight and ease of fabrication, PVC is widely used in water treatment, irrigation, and industrial cleaning systems. However, it has low temperature resistance and should not be used with strong solvents, hydrocarbons, or hot liquids. For low-cost, non-critical chemical dosing, PVC remains an efficient option. 2. PVDF (Polyvinylidene Fluoride) Compatible Fluids: Strong acids, oxidizing agents, chlorinated chemicals, and solvents. PVDF offers excellent resistance to corrosion, UV radiation, and high temperatures. It handles aggressive chemicals such as hydrochloric acid (HCl), sulfuric acid (H₂SO₄), and chlorine-based compounds without degradation. This makes PVDF the preferred material for chemical processing, industrial wastewater treatment, and pharmaceutical production. It is stronger and more chemically stable than PVC but also more expensive. When long-term chemical durability is required,...


> A motor-driven mechanical diaphragm pump in petrochemical sector, offers the perfect combination of safety, control, and endurance. Its sealed design prevents leaks

- Published: 2025-10-14
- Modified: 2025-10-14
- URL: https://wrsdosing.com/chemical-dosing-pump/motor-driven-mechanical-diaphragm-pumps-in-the-petrochemical-industry/
- Categories: Chemical Dosing Pump, Diaphragm Pump, Dosing Pump, Metering Pumps
- Tags: Chemical Dosing, Chemical Dosing Pumps, chemical dosing systems, Diaphragm Pumps, petrochemical

In the petrochemical industry, precision, safety, and reliability are non-negotiable. Every piece of equipment must withstand corrosive fluids, high pressures, and harsh operating conditions while maintaining consistent performance. Among the most trusted systems in this environment is the motor-driven mechanical diaphragm pump, a positive displacement pump designed for accurate, leak-free fluid handling. How It Works A motor-driven mechanical diaphragm pump uses an electric motor to create reciprocating motion that moves liquid through a flexible diaphragm. The motor turns a crankshaft or eccentric cam, which pushes and pulls the diaphragm in a steady back-and-forth motion. When the diaphragm moves backward, it creates a vacuum that opens the inlet valve and draws liquid into the pump chamber. When it moves forward, it compresses the fluid, closing the inlet valve and opening the outlet valve, forcing the liquid out. This continuous cycle produces a metered, pulse-like flow that is highly accurate—ideal for dosing and chemical injection tasks common in petrochemical processing. Because the diaphragm forms a barrier between the pumped fluid and the mechanical drive, there is no direct contact between liquid and moving parts. This design ensures complete sealing, making the system safe for handling toxic, flammable, or corrosive chemicals used in refineries and chemical plants. Why It Fits Petrochemical Applications The motor-driven diaphragm pump’s key advantage is its leak-free operation, a critical requirement in petrochemical environments where even small leaks can cause contamination, explosions, or regulatory violations. Its diaphragm design eliminates the need for shaft seals, significantly reducing failure points and...


> How does a motor-driven mechanical diaphragm work? A motor-driven mechanical diaphragm pump works by using a motor’s rotary motion to drive a diaphragm in a back-and-forth cycle.

- Published: 2025-10-14
- Modified: 2025-10-14
- URL: https://wrsdosing.com/chemical-dosing-pump/how-a-motor-driven-mechanical-diaphragm-pump-works/
- Categories: Chemical Dosing Pump, Metering Pumps
- Tags: Chemical Dosing, chemical dosing systems, mechanical diaphragm, Metering Pump

A motor-driven mechanical diaphragm pump is a type of positive displacement pump that uses the controlled motion of a flexible diaphragm to move liquid. How does a motor-driven mechanical diaphragm work? It is powered by an electric motor, which converts rotational motion into linear motion to create alternating suction and discharge strokes. Known for its precision, leak-free operation, and durability, this pump is widely used in industries that require accurate dosing and continuous fluid handling. The Basic Working Principle The operation of a motor-driven mechanical diaphragm pump revolves around the conversion of rotary motion from a motor into reciprocating motion that flexes the diaphragm. Inside the pump, a crankshaft or eccentric cam connects to a connecting rod that is directly linked to the diaphragm. When the motor starts, the crankshaft rotates, causing the connecting rod to push and pull the diaphragm back and forth. This simple motion creates two alternating phases: suction and discharge. During the suction stroke, the diaphragm moves backward, expanding the pump chamber and reducing internal pressure. This creates a vacuum that opens the inlet check valve, allowing liquid to flow into the chamber. During the discharge stroke, the diaphragm moves forward, compressing the fluid. The increased pressure closes the inlet valve and opens the outlet check valve, forcing the liquid out of the chamber through the discharge port. Because the diaphragm flexes rather than slides or rotates, the pumped fluid never contacts any mechanical parts. This ensures a completely sealed system, eliminating the risk of leaks...


> A motor-driven pump is a pump powered by an electric motor, designed to move fluids efficiently and precisely across various industrial, agricultural, and commercial applications.

- Published: 2025-10-14
- Modified: 2025-10-14
- URL: https://wrsdosing.com/metering-pumps/what-is-a-motor-driven-pump/
- Categories: Dosing Pump, Metering Pumps
- Tags: Dosing Pump, Metering Pump, Motor Driven Dosing Pump, motor-driven pump

A motor-driven pump is a pump powered by an electric motor, designed to move fluids efficiently and precisely across various industrial, agricultural, and commercial applications. It converts electrical energy into mechanical motion, allowing continuous and controlled transfer of liquids such as water, chemicals, and lubricants. Because of their reliability and accuracy, motor-driven pumps are among the most widely used fluid-handling solutions in modern industry. How a Motor-Driven Pump Works At its core, a motor-driven pump operates by connecting an electric motor to a pumping mechanism such as an impeller, diaphragm, or piston. When the motor runs, it generates rotary motion through its shaft, which drives the pump’s internal components to create suction and discharge pressure. In centrifugal models, the motor spins an impeller at high speed, imparting kinetic energy to the fluid and forcing it outward under pressure. In positive displacement models like motor-driven diaphragm pumps the motor rotates a crankshaft that moves a diaphragm back and forth, creating a vacuum that draws fluid in and then pushes it out in a controlled, metered flow. This ability to convert rotary energy into precise fluid movement makes motor-driven pumps suitable for continuous-duty and high-accuracy applications, such as chemical dosing and process control. Key Features and Advantages Motor-driven pumps are valued for their stable performance and energy efficiency. Unlike air-operated systems, they do not require compressed air, which reduces operational costs and simplifies installation. Electric motors provide consistent torque, allowing steady flow and pressure with minimal fluctuations. These pumps also enable precise...


> A mechanical diaphragm pump is a positive displacement pump driven by an electric motor that uses mechanical motion to flex a diaphragm and move liquid through the system.

- Published: 2025-10-14
- Modified: 2025-10-14
- URL: https://wrsdosing.com/diaphragm-pump/what-is-a-mechanical-diaphragm-pump-and-how-it-works/
- Categories: Diaphragm Pump
- Tags: Diaphragm Pump

A mechanical diaphragm pump is a positive displacement pump driven by an electric motor that uses mechanical motion to flex a diaphragm and move liquid through the system. Known for its precision, durability, and leak-free operation, this pump type is widely used in industrial applications that demand accurate and consistent fluid dosing. How a Mechanical Diaphragm Pump Works? The working principle of a mechanical diaphragm pump is based on the conversion of rotary motion into linear motion. Inside the pump, an eccentric cam, crankshaft, or connecting rod connects the motor to the diaphragm. As the motor rotates, the crank pushes and pulls the diaphragm back and forth in a reciprocating motion. When the diaphragm moves backward, it creates a vacuum inside the pumping chamber. This vacuum opens the inlet check valve, allowing fluid to enter the chamber. When the diaphragm moves forward, it compresses the liquid, closing the inlet valve and forcing the outlet valve to open. The liquid is then discharged at a controlled flow rate. Because the diaphragm is fully sealed from the drive mechanism, the pumped fluid never contacts internal moving parts. This ensures leak-free performance, even when handling aggressive or hazardous chemicals. Key Features and Advantages Mechanical diaphragm pumps are valued for their high accuracy and repeatability. The stroke length and speed of the diaphragm can be adjusted to control the dosing rate, making these pumps ideal for metering and proportional injection systems. They also handle a wide variety of fluids—from thin chemicals to viscous solutions—without...


> Can diaphragm pumps run continuously? A diaphragm pump can operate continuously, provided it runs within its design limits and receives proper maintenance.

- Published: 2025-10-14
- Modified: 2025-10-14
- URL: https://wrsdosing.com/diaphragm-pump/can-diaphragm-pumps-run-continuously/
- Categories: Diaphragm Pump
- Tags: Diaphragm Pump

Can diaphragm pumps run continuously? A diaphragm pump can operate continuously, provided it runs within its design limits and receives proper maintenance. Both motor-driven and air-operated diaphragm pumps are capable of 24-hour duty, but their performance and longevity depend on how they are managed. The Difference Between Motor-driven and Air-operated Motor-driven diaphragm pumps are engineered for constant operation. They use a crank or cam mechanism to move the diaphragm steadily, allowing precise and uninterrupted dosing in applications like water treatment, chemical processing, and industrial flow control. As long as the pump operates within its rated pressure, temperature, and stroke rate, it can run around the clock without performance loss. Air-operated double diaphragm (AODD) pumps can also handle continuous duty, but they rely on a consistent air supply and pressure regulation. Running too fast or at excessive air pressure accelerates diaphragm wear. When operated at 50–80% of maximum speed with clean valves and steady airflow, an AODD pump can run smoothly for months. Continuous operation requires monitoring of heat, fatigue, and diaphragm integrity. High-quality diaphragms made from PTFE or reinforced elastomers typically last six to eighteen months under continuous service. So, can diaphragm pumps run continuously? With compatible materials, stable power or air pressure, and scheduled inspection, diaphragm pumps deliver reliable long-term performance in demanding industrial environments.


> An air-operated diaphragm pump, or AODD, runs on compressed air rather than an electric motor. This design offers several advantages over electric pumps.

- Published: 2025-10-14
- Modified: 2025-10-14
- URL: https://wrsdosing.com/diaphragm-pump/efficiency-of-air-operated-diaphragm-pumps-compared-to-electric-models/
- Categories: Diaphragm Pump
- Tags: Air-Operated Diaphragm Pumps

An air-operated diaphragm pump, or AODD, runs on compressed air rather than an electric motor. This design offers several advantages over electric pumps, especially in terms of durability, safety, and flexible installation. Here’s how AODD pumps stand out in these areas. Durability Air-operated diaphragm pumps are durable because they have fewer moving parts and lack mechanical seals or electric components prone to heat or friction wear. The main wear items, diaphragms and check valves, are easily replaced without full disassembly. Because AODD pumps use air pressure instead of motors, they do not overheat or suffer from motor burnout, which can happen with electric pumps during heavy use. They can also run dry for long periods without damage, since there are no bearings or seals that need lubrication. This makes them a good fit for industries that handle abrasive, corrosive, or thick fluids. In tough settings such as chemical plants, mining sites, or wastewater facilities, air-operated pumps usually last longer than electric ones. Their corrosion-resistant build and ability to handle changing conditions help them perform well over time. Safety One major benefit of air-operated diaphragm pumps is their built-in safety. Because they run on compressed air, there is no risk of sparks or ignition from electricity. This makes them a safe choice for hazardous areas in industries like petrochemicals, solvents, and paints. They also ensure complete fluid isolation—the liquid never contacts air or drive components. With anti-static materials and grounding, AODD pumps prevent electrostatic discharge and reduce ignition risk with flammable...


> How long will a diaphragm pump last? When properly maintained, a high-quality diaphragm pump can last 5 to 10 years or more.

- Published: 2025-10-14
- Modified: 2025-10-14
- URL: https://wrsdosing.com/diaphragm-pump/how-long-will-a-diaphragm-pump-last/
- Categories: Diaphragm Pump
- Tags: Diaphragm Pumps

How long will a diaphragm pump last? A diaphragm pump is built for endurance. Its design allows it to operate reliably even in harsh industrial conditions. When properly maintained, a high-quality diaphragm pump can last 5 to 10 years or more. Thus, it is one of the most durable positive displacement pumps in its class. Durability and Service Life The durability of a diaphragm pump depends on three key factors: material selection, operating conditions, and duty cycle. Material compatibility is the first determinant of lifespan. Diaphragms made from PTFE, PVDF, EPDM, or SS316 stainless steel resist corrosion, abrasion, and chemical attack. Choosing the right material ensures the diaphragm retains flexibility and sealing strength over thousands of pumping cycles. In environments that involve strong acids or solvents, this compatibility is critical for preventing premature wear. Operating conditions also play a major role. Diaphragm pumps perform best when operated within their rated pressure, temperature, and flow capacity. Overpressuring or running the pump with incompatible fluids can stress the diaphragm and reduce service life. Conversely, stable operating conditions can extend a diaphragm’s life well beyond its standard replacement interval. How long and how often the pump runs affects its mechanical longevity. Pumps that operate continuously at moderate speeds last longer than those that frequently start, stop, or run at maximum stroke frequency. WRS Dosing’s motor-driven models are engineered to handle sustained operation with minimal vibration and low mechanical fatigue, which further improves service life. Maintenance Frequency and Ease Maintenance of diaphragm pumps is...


> The diaphragm pump advantages come from their efficient, leak-free, and durable design. Their ability to self-prime, handle abrasive or corrosive fluids, run dry, and operate safely.

- Published: 2025-10-10
- Modified: 2025-10-10
- URL: https://wrsdosing.com/knowledge/10-advantages-of-diaphragm-pumps-you-should-know/
- Categories: Diaphragm Pump, knowledge
- Tags: Diaphragm Pumps

Diaphragm pumps are among the most reliable and versatile pumping systems in industrial and commercial use. Their design combines durability, precision, and chemical resistance—qualities that make them indispensable in industries such as water treatment, food processing, oil and gas, and pharmaceuticals. Below are ten major diaphragm pump advantages that explain why diaphragm pumps are often preferred over other types like centrifugal or peristaltic pumps. 1. Self-Priming Capability One of the most practical advantages of diaphragm pumps is their ability to self-prime. Unlike centrifugal pumps, which need to be filled with liquid before starting, diaphragm pumps can draw fluid directly from below the pump’s level. This makes them ideal for applications where the liquid source is not immediately accessible, such as underground tanks or remote reservoirs. Their suction power also reduces the need for additional priming equipment, cutting installation costs and setup time. 2. Dry-Run Tolerance Diaphragm pumps can run dry without causing internal damage. This is a significant advantage over pumps with mechanical seals or impellers that depend on liquid for lubrication. When a process temporarily runs out of fluid, the diaphragm pump can continue operating until flow is restored. This feature is particularly valuable in industries with intermittent liquid supply, such as chemical batching or wastewater treatment. 3. Leak-Free Operation Because the diaphragm acts as a barrier between the pumped liquid and the moving mechanical parts, the fluid remains completely sealed inside the chamber. This leak-free design is essential for handling hazardous, toxic, or high-value fluids. The absence of...


> How do diaphragm pumps work? Diaphragm pumps work by alternately expanding and compressing a sealed chamber through the movement of a flexible diaphragm.

- Published: 2025-10-10
- Modified: 2025-10-10
- URL: https://wrsdosing.com/knowledge/how-diaphragm-pumps-work-the-core-mechanism-behind-reliable-fluid-transfer/
- Categories: Diaphragm Pump, knowledge
- Tags: How Diaphragm Pumps Work

A diaphragm pump is one of the most reliable and versatile types of positive displacement pumps used in modern industries. It is designed to move liquids through the controlled flexing of a diaphragm, creating alternating suction and discharge actions. But, how do diaphragm pumps work? Understanding the Basic Principle The working concept of a diaphragm pump revolves around a flexible membrane called the diaphragm. This diaphragm is made from durable materials such as rubber, PTFE, or other elastomers that can withstand repeated motion and chemical exposure. The diaphragm divides the pump chamber into two parts: one for the liquid being pumped and one for the driving mechanism. When the diaphragm moves backward, it expands the liquid chamber and creates a vacuum. This vacuum causes the inlet check valve to open, allowing fluid to enter the chamber. When the diaphragm then moves forward, it compresses the liquid, closing the inlet valve and opening the outlet valve. The fluid is pushed out of the chamber toward the discharge line. This alternating movement—suction followed by discharge—forms a continuous pumping cycle. Because of its sealed design, the fluid never touches the mechanical parts of the pump, making it an excellent choice for hazardous, corrosive, or sterile applications. Air-Operated and Motor-Driven Designs Although the principle is the same, diaphragm pumps can be powered in different ways depending on their intended use. The Air-Operated Double Diaphragm (AODD) pump uses compressed air as its power source. Inside the pump are two diaphragms connected by a shared shaft....


> 7 key differences on centrifugal pump vs diaphragm pump lie on their working principle, flow characteristic, pressure cap, self-priming, fluid compatibility, maintenance, and application.

- Published: 2025-10-10
- Modified: 2025-10-10
- URL: https://wrsdosing.com/knowledge/centrifugal-pump-vs-diaphragm-pump-understanding-the-core-differences/
- Categories: Diaphragm Pump, knowledge
- Tags: centrifugal pump, Diaphragm Pump

Pumps are critical components in fluid transfer and dosing systems across industries. Two of the most widely used types are the centrifugal pump vs diaphragm pump. Both serve the same purpose which is to move liquids, but they differ in design, working principle, and performance characteristics. Understanding these differences is essential for selecting the right pump for your operation, whether in water treatment, chemical processing, or industrial manufacturing. Below is a detailed explanation of how these two pump types work and what separates one from the other. 1. Working Principle The first and most fundamental difference lies in how each pump moves liquid. A centrifugal pump uses a high-speed rotating impeller to impart kinetic energy to the fluid. As the impeller spins, the liquid is flung outward toward the discharge port by centrifugal force. The velocity energy is then converted into pressure, allowing the fluid to flow continuously through the system. This design works best for large volumes of liquid that need to be transferred quickly and smoothly. In contrast, a diaphragm pump operates on a reciprocating principle. It uses a flexible diaphragm that moves back and forth inside a sealed chamber. When the diaphragm retracts, it creates suction, drawing fluid into the chamber. When it pushes forward, it compresses the fluid and forces it out through an outlet valve. This process repeats continuously, producing a pulsating flow. Simply put, centrifugal pumps rely on rotational force, while diaphragm pumps rely on mechanical displacement. 2. Flow Characteristics A centrifugal pump delivers...


> 6 key differences on peristaltic pumps vs diaphragm pumps lie on their working principle, fluid contact, flow characteristic, pressure cap, maintenance and application.

- Published: 2025-10-10
- Modified: 2025-10-10
- URL: https://wrsdosing.com/knowledge/peristaltic-pump-vs-diaphragm-pump-6-key-differences-you-must-know/
- Categories: Diaphragm Pump, knowledge
- Tags: Diaphragm Pump, Peristaltic Pump

Pumps are essential components in modern industry, but not all pumps operate the same way. Among the most common positive displacement types are peristaltic pumps vs diaphragm pumps. Both are designed for accurate dosing, chemical compatibility, and reliability, yet they differ in structure, operation, and performance. Understanding these differences helps engineers, operators, and procurement teams choose the right pump for each process. Below are the six main differences between peristaltic and diaphragm pumps, explained in technical and practical terms. 1. Working Principle The most fundamental difference lies in how each pump moves the fluid. A peristaltic pump operates through a rotating mechanism that compresses a flexible hose or tube. As the rollers move along the tubing, they squeeze the liquid forward in a wave-like motion—similar to how the human digestive system pushes food along the intestines. Once the rollers pass, the tube regains its shape, creating suction that draws more fluid in. This continuous cycle produces a steady flow without backflow or leakage. A diaphragm pump, on the other hand, uses a flexible diaphragm that moves back and forth to create suction and discharge. The diaphragm is driven either pneumatically (by compressed air) or mechanically (by an electric motor). When it moves backward, fluid enters the chamber through an inlet valve. When it moves forward, it pushes the fluid out through a discharge valve. In short, peristaltic pumps rely on hose compression, while diaphragm pumps rely on chamber expansion and contraction. 2. Fluid Contact and Contamination Risk Fluid contact is...


> A diaphragm pump is a highly versatile and reliable type of positive displacement pump used in many industries. The purpose of using it is to move any kind of fluid effectively.

- Published: 2025-10-10
- Modified: 2025-10-10
- URL: https://wrsdosing.com/knowledge/what-is-a-diaphragm-pump-in-modern-industry/
- Categories: knowledge
- Tags: Diaphragm Pumps

A diaphragm pump is a highly versatile and reliable type of positive displacement pump used in many industries. Its simple design allows it to move fluids effectively, even when they are corrosive, thick, or contain particles. In this article, we explain how diaphragm pumps work, the main types available, and their importance in various industrial applications. How a Diaphragm Pump Works Diaphragm pumps have a flexible membrane known as the diaphragm, typically made of rubber, PTFE, or other chemically resistant materials. The diaphragm oscillates to draw in and discharge process fluid. As the diaphragm moves backward, it creates a vacuum and opens the inlet valve, drawing process fluid into the chamber. When the diaphragm moves forward, it pressurizes the fluid, closes the inlet valve, opens the outlet valve, and transfers the fluid through the discharge port. This process repeats, producing a pulsed, reliable flow. Only the diaphragm and valves contact the process fluid, making the pump ideal for handling aggressive or sensitive chemicals. Because it operates on a positive displacement principle, a diaphragm pump can handle a wide range of fluid viscosities, from thin solvents to thick slurries. It is also self-priming and capable of running dry for short periods without damage, which is an advantage over many centrifugal pumps. Main Types of Diaphragm Pumps While all diaphragm pumps work on the same basic principle, they use different power sources. The two most common types are Air-Operated Double Diaphragm (AODD) pumps and Motor-Driven Mechanical Diaphragm pumps. Each type has its...


> The role of an NaOH dosing pump is to deliver sodium hydroxide safely and accurately across industries, ensuring stable pH, protecting infrastructure, and improving efficiency.

- Published: 2025-10-02
- Modified: 2025-10-14
- URL: https://wrsdosing.com/chemical-dosing-pump/the-role-of-naoh-dosing-pump/
- Categories: Chemical Dosing Pump, knowledge
- Tags: Chemical Dosing Pump, NaOH Dosing Pump

Sodium hydroxide, or caustic soda, is a key chemical in many industries. It helps neutralize acids, control pH, and supports a wide range of chemical processes. Thus, it is essential for everything from water treatment to manufacturing. While NaOH is very useful, it is also highly corrosive and dangerous. It can cause serious injuries if it touches skin or eyes, and improper dosing can harm equipment and disrupt processes. That’s why careful handling is so important. Why NaOH Dosing Matters In water treatment plants, sodium hydroxide is often added to stabilize pH levels and protect infrastructure from corrosion caused by acidic water. In wastewater treatment, it neutralizes effluents before discharge, ensuring environmental compliance. Food and beverage facilities utilize it in their cleaning systems, while chemical plants rely on it in a wide variety of processes. NaOH is not like most other liquids. It can form crystals, corrode metals, and damage seals if the equipment is not built for it. Too much NaOH causes scaling and wastes chemicals, while too little makes processes less effective. That’s why accurate and safe dosing is essential. The Role of a Dosing Pump A dosing pump is a precise tool that adds the right amount of sodium hydroxide to a system. Instead of just moving liquid, it carefully measures each dose to match what the process needs. Many pumps now use sensors and controllers to adjust automatically, keeping pH levels steady without needing constant attention. Different technologies are used for NaOH dosing, but Air-Operated Diaphragm...


> Choosing the right water treatment plant company in Singapore ensures compliance, efficiency, and sustainability by matching your specific water needs with the correct partner.

- Published: 2025-10-02
- Modified: 2025-10-02
- URL: https://wrsdosing.com/knowledge/how-to-choose-a-water-treatment-plant-company-in-singapore/
- Categories: knowledge
- Tags: water treatment plant company in singapore

Water is a precious resource in Singapore. Because the country has limited natural water sources, it relies on advanced systems like desalination, water recycling, and imports. For businesses, keeping water quality high is important for both meeting regulations and running smoothly. Thus, picking the right water treatment plant company in Singapore is a big decision. There are many options, but not all companies offer the same expertise or service. Here are some key things to think about before you decide. 1. Understand Your Water Needs Start by figuring out exactly what you need from a water treatment company. For example, do you run a factory that needs very pure water for production? Do you need help treating wastewater to meet environmental rules? Or do you manage a building that just needs safe, clean water every day? Each situation calls for different solutions. A pharmaceutical company might need reverse osmosis systems, while a food business may need strong filtration and disinfection. Knowing your needs will help you find companies that are experts in your area. 2. Look for Local Expertise and Compliance Singapore’s water regulations are strict and managed by the Public Utilities Board (PUB). The company you choose should understand these rules and be able to design systems that meet them. This helps you avoid fines or interruptions. Companies with local experience also know about challenges like high humidity, energy efficiency rules, and limited space. 3. Evaluate Technology and Solutions Water treatment companies use different technologies. Some focus on chemical...


> What Is a swimming pool Balancing Tank? This hidden structure is essential in overflow pools and large aquatic facilities, ensuring smooth operation, water conservation, and swimmer comfort.

- Published: 2025-10-02
- Modified: 2025-10-02
- URL: https://wrsdosing.com/knowledge/what-is-a-swimming-pool-balancing-tank/
- Categories: knowledge
- Tags: swimming pool, swimming pool balancing tank

When most people think about a swimming pool, they picture the sparkling blue water, the tiles, and maybe the filtration system. What often goes unnoticed is the unsung hero of many modern pools: the swimming pool balancing tank. This hidden structure is essential in overflow pools and large aquatic facilities, ensuring smooth operation, water conservation, and swimmer comfort. Understanding how it works and why it’s important can save pool owners from costly mistakes and maintenance headaches. What Is a Balancing Tank? A balancing tank, also called a surge tank, is a storage chamber that holds excess pool water. It is commonly found in overflow pools, where water constantly spills over the edges into a channel or gutter system. Instead of wasting this displaced water, the balancing tank collects it, stores it temporarily, and then redistributes it back into the pool through the circulation system. The size of the tank depends on the pool’s surface area, expected number of swimmers, and local regulations. A well-designed balancing tank prevents flooding, keeps water levels consistent, and ensures efficient circulation. Why Pools Need a Balancing Tank? Every time a swimmer enters a pool, the water level rises. When many swimmers dive in, large amounts of water can overflow. Without a balancing tank, that water would either be lost or cause uncontrolled flooding around the pool deck. The balancing tank provides a buffer, absorbing sudden surges in water volume and releasing it back gradually. This makes it especially critical in commercial pools, water parks, and...


> Water treatment chemicals help solve this problem by purifying water, balancing its chemistry, and protecting the systems that depend on it.

- Published: 2025-10-02
- Modified: 2025-10-02
- URL: https://wrsdosing.com/chemical-dosing-pump/how-water-treatment-chemicals-work-the-science-behind-clean-water/
- Categories: Chemical Dosing Pump, knowledge, Metering Pumps
- Tags: Chemical Dosing, Chemical Dosing Pumps, chemical dosing systems, Water Treatment, water treatment plants

Water may appear clear, but it often contains hidden impurities such as bacteria, minerals, organic matter, and pollutants. If left untreated, these contaminants can render water unsafe for drinking, swimming, or industrial use. Water treatment chemicals help solve this problem by purifying water, balancing its chemistry, and protecting the systems that depend on it. To see how they work, let’s look at the main types of chemicals and what they do. Disinfectants: Eliminating Harmful Microorganisms One of the biggest concerns with untreated water is microbial contamination. Bacteria, viruses, and protozoa can cause serious illnesses if they are not removed. Disinfectants are chemicals designed to kill or inactivate these pathogens. The most common disinfectant is chlorine. When added to water, chlorine reacts to form hypochlorous acid, which penetrates cell walls and destroys the microorganisms from within. Chlorine is a powerful and long-lasting agent, which is why it’s widely used in swimming pools and municipal water systems. Alternatives like bromine and ozone are also used, especially in environments where chlorine odor or byproducts need to be minimized. Coagulants and Flocculants: Clumping Together Impurities Even clear-looking water can contain tiny suspended particles, such as silt, algae, or organic matter. These particles are often too small to be removed by filters. Coagulants and flocculants solve this problem. Coagulants, such as aluminum sulfate (alum) or ferric chloride, work by neutralizing the electrical charges on suspended particles, causing them to stick together. Flocculants then help these small clumps join into larger, heavier masses called floc, which...


> So, here’s a complete guide to effective swimming pool maintenance. Daily and Weekly Care. The Importance of Filtration. Chemical Balance and Shock Treatment.

- Published: 2025-10-02
- Modified: 2025-10-02
- URL: https://wrsdosing.com/uncategorized/swimming-pool-maintenance-how-to-keep-water-clean-safe-and-sparkling/
- Categories: Uncategorized

A swimming pool offers exercise, fun, and relaxation, but also requires diligent upkeep. Poor maintenance can quickly lead to the growth of algae, bacteria, and debris. Consistent care keeps the water clear and extends the life of the equipment. So, here’s a complete guide to effective swimming pool maintenance. Daily and Weekly Care The easiest way to manage a pool is to keep a routine. Daily tasks are small but important. Here’s what you can do: Skim the water surface with a net to remove leaves, bugs, and floating debris. Check the water level to ensure it hasn’t dropped too low or risen too high, as this can impact pump performance. Once a week, brush the pool walls and floor to prevent algae buildup, and then vacuum to collect any dirt that has settled to the bottom. Testing the water should also be a weekly habit. Pool test kits measure pH levels, chlorine, and alkalinity. The ideal pH should sit between 7. 2 and 7. 6. Meanwhile, chlorine, which disinfects the water, should stay in the range of 1. 0 to 3. 0 parts per million. Balancing these elements ensures swimmers’ comfort and prevents damage to pool liners and tiles. The Importance of Filtration The filter system is the core of your pool. It keeps water moving, removes dirt, and spreads chemicals evenly. There are three main types: sand, cartridge, and diatomaceous earth (DE). Sand filters catch particles as water flows through sand. Cartridge filters use a fabric cartridge that...


> Dosing pump advantage lies in its accuracy, safety, energy efficiency, and adaptability, giving industries reliable chemical delivery, lower costs, and future-ready automation.

- Published: 2025-09-25
- Modified: 2025-09-25
- URL: https://wrsdosing.com/chemical-dosing-pump/10-dosing-pumps-advantages-in-industrial-applications/
- Categories: Advice, Chemical Dosing Pump, knowledge
- Tags: Dosing Pumps

If you run a water treatment plant, make pharmaceuticals, or oversee agricultural irrigation, choosing the right dosing system helps everything run smoothly and prevents expensive mistakes. Dosing pumps stand out for their accuracy, safety, and cost savings. Here are 10 dosing pump advantages! 1. Accurate and Consistent Chemical Delivery Dosing pumps deliver fluids with high precision. Unlike standard pumps that fluctuate in volume, dosing pumps maintain a consistent output over extended periods of operation. This keeps processes stable and predictable. Accurate dosing reduces waste and minimizes the risk of costly rework. It also ensures compliance with industry standards, particularly in sensitive sectors like pharmaceuticals and food production. For companies seeking to safeguard both product quality and reputation, dosing pumps offer peace of mind. 2. Wide Range of Applications Dosing pumps are versatile and work well in many industries. They perform reliably in places like municipal water treatment plants and biotech labs, handling different environments without losing efficiency. This flexibility makes them a practical solution for chemical dosing needs. In agriculture, they help farmers apply fertilizers and pesticides precisely, preventing soil damage and reducing costs. In the food industry, they ensure consistent flavor profiles and safe levels of preservatives. No matter the sector, dosing pumps serve as the backbone of controlled liquid handling. 3. Compatibility with Harsh Chemicals Dosing pumps are made with materials like PVDF, PTFE, and stainless steel, so they can handle harsh chemicals. This means businesses can use them with many different liquids without worry. Because these pumps...


> Are chemical dosing pumps safe? Yes, when properly selected, installed, and maintained, they provide unmatched safety by using corrosion-resistant materials.

- Published: 2025-09-25
- Modified: 2025-09-25
- URL: https://wrsdosing.com/chemical-dosing-pump/are-chemical-dosing-pumps-safe/
- Categories: Chemical Dosing Pump, knowledge
- Tags: food processing facilities, oil refineries, pharmaceutical laboratories, water treatment plants

Chemical dosing pumps are the backbone of various industries, including water treatment plants, food processing facilities, oil refineries, and pharmaceutical laboratories. Their main task is simple yet critical: delivering exact amounts of chemicals into a process. However, because they often handle corrosive, toxic, or hazardous substances, one question always arises: Are chemical dosing pumps safe? The answer is yes. When you select the right pump, install it correctly, and keep up with maintenance, chemical dosing pumps are one of the safest ways to handle and add chemicals. Let's look at the features and best practices that make these pumps so reliable, even in tough conditions. Built for Safety from the Ground Up Chemical dosing pumps are built for accuracy and safety, unlike regular pumps. They use special mechanisms like diaphragms, pistons, or peristaltic systems to keep chemicals separate from moving parts. This design helps prevent leaks and reduces wear, which is especially important when handling dangerous materials. Most modern pumps use corrosion-resistant materials such as PVDF, PTFE, or stainless steel (SS316). These materials withstand aggressive chemicals, such as acids, alkalis, and solvents, without breaking down. By resisting corrosion, pumps not only protect workers but also extend their own lifespans, reducing the chance of accidents caused by worn-out equipment. Precision Reduces Risk A major safety benefit of dosing pumps is their accuracy. Too much chemical can harm equipment or cause unsafe reactions, while too little might not remove dangerous contaminants. Accurate dosing keeps everything safe and working as it should. Dosing...


> How does a metering pump work? It operates through a suction and discharge cycle using diaphragms, pistons, or rollers to deliver precise liquid doses.

- Published: 2025-09-25
- Modified: 2025-09-25
- URL: https://wrsdosing.com/metering-pumps/how-does-a-metering-pump-work/
- Categories: knowledge, Metering Pumps
- Tags: metering pumps, Peristaltic dosing pumps, solenoid driven diaphragm pumps

Accurate liquid handling is crucial in many industries, including water treatment, chemical processing, pharmaceuticals, and food production. Metering pumps play a key role by delivering exact amounts of liquid at set flow rates. What sets them apart is how they work, making them essential for dosing chemicals and other fluids. Before diving into the technical process, let’s address the key question: how does a metering pump work? Let’s break it down step by step. The Definition of a Metering Pump A metering pump is a kind of pump that moves a set amount of liquid each time it operates. Unlike other pumps that spin to move fluid, metering pumps push out the same amount of liquid with every movement. This makes them very accurate, even when handling small amounts or working under high pressure. Put simply, a metering pump does more than move fluid from one place to another. It delivers precise amounts, which is why many industries also call it a dosing pump. Core Components of a Metering Pump Before diving into the working principle, it helps to understand the main components: Pump Head: The chamber where liquid enters and exits. Diaphragm or Piston/Plunger: The moving element that creates suction and discharge. Check Valves (Inlet and Outlet): One-way valves that control the direction of fluid flow. Drive Mechanism: Converts motor rotation into reciprocating motion. Control System: Allows operators to adjust stroke length, frequency, or flow rate. Each component works together to ensure that fluid is drawn in and expelled...


> The Solenoid Driven Metering Pump Price varies depending on flow capacity, pressure, materials, brand, and digital features, ranging from around USD $150 to USD $2,000.

- Published: 2025-09-25
- Modified: 2025-09-25
- URL: https://wrsdosing.com/chemical-dosing-pump/what-you-need-to-know-about-solenoid-driven-metering-pump-price/
- Categories: Chemical Dosing Pump, knowledge, Metering Pumps, Solenoid Driven Metering Pump
- Tags: Chemical Dosing Pumps, Dosing Pumps, metering pumps, Solenoid Dosing Pump

Solenoid-driven metering pumps are a top choice for accurate and efficient chemical dosing. They are compact, reliable, and precise, making them common in water treatment, labs, food processing, and small industrial settings. Still, many buyers want to know how much the solenoid driven metering pump price is. The price depends on things like the pump’s specifications, materials, brand, and extra features. Here’s a closer look at what affects the cost and what you can expect when planning your budget. Why Solenoid-Driven Metering Pumps Are Popular Before we talk about prices, it helps to know why solenoid pumps are so popular. Their design and how they work set them apart from other dosing options. Solenoid pumps work by using an electromagnetic coil to move a diaphragm, which creates a suction and discharge cycle. This makes them accurate, energy-efficient, and ideal for low to medium flow rates. They are often chosen for tasks like adding chlorine to small water systems, dosing in labs, or controlling food additives. Factors That Affect Solenoid Pump Prices The price of a solenoid-driven metering pump can vary based on several technical and practical factors. Knowing what affects the price helps buyers choose the right pump for their needs and budget. Flow Rate and Pressure Capacity Lower-capacity pumps, designed for small-scale dosing, are naturally more cost-effective than high-capacity models. Pumps rated for higher pressures or larger volumes of chemical flow will come at a higher cost. Material of Construction Pumps made with PVDF, PTFE, or SS316 are more...


> A solenoid pump is a compact and precise positive displacement pump used in water treatment, food, pharmaceuticals, agriculture, and chemical dosing.

- Published: 2025-09-18
- Modified: 2025-09-18
- URL: https://wrsdosing.com/chemical-dosing-pump/an-in-depth-guide-to-solenoid-pumps-in-modern-applications/
- Categories: Chemical Dosing Pump, knowledge, Metering Pumps
- Tags: Chemical Dosing Pumps, Dosing Pumps, Solenoid Dosing Pump

Industries today need fluid handling systems that are precise, efficient, and durable. Solenoid pumps are a reliable solution, used in areas like water treatment, lab analysis, food processing, and chemical dosing. This article explains how solenoid pumps work, their benefits and drawbacks, and where they are most commonly used. What Are Solenoid Pumps? A solenoid pump is a type of positive-displacement pump. It utilizes the electromagnetic force generated by a solenoid coil to create a pumping action. Unlike centrifugal pumps that rely on rotation, solenoid pumps use linear motion. When electricity passes through the solenoid coil, it creates a magnetic field that causes a plunger or diaphragm to move forward. This motion displaces fluid and pushes it through the outlet. When the current stops, a spring or reverse force resets the plunger, drawing more liquid into the chamber. This simple yet effective mechanism makes solenoid pumps highly efficient for dosing and metering applications where precise control is essential. Key Features of Solenoid Pumps Solenoid pumps stand out for several distinct features: 1. Precise Dosing and Metering Because solenoid pumps operate with controlled strokes, they can deliver exact volumes of liquid repeatedly. This makes them ideal for applications requiring consistent and reliable dosing. 2. Compact Design Their relatively small size allows solenoid pumps to be easily integrated into systems with limited space, such as laboratory instruments or compact treatment units. 3. Energy Efficiency Since they only consume energy during each stroke and have no continuously rotating components, solenoid pumps are energy-efficient,...


> A peristaltic dosing pump provides accurate, hygienic, and reliable fluid handling for industries such as water treatment, food, pharmaceuticals, agriculture, and chemical processing.

- Published: 2025-09-18
- Modified: 2025-09-18
- URL: https://wrsdosing.com/chemicals/understanding-the-role-of-the-peristaltic-dosing-pump-in-modern-industry/
- Categories: Chemical Dosing Pump, Chemicals, knowledge, Metering Pumps, Peristaltic Dosing Pump
- Tags: Chemical Dosing, Dosing Chemicals, Dosing Pumps, Peristaltic dosing pumps

Precision in fluid handling is the backbone of numerous industries. Among the many tools designed to achieve accuracy and reliability, the peristaltic dosing pump stands out as one of the most adaptable and efficient. This pump has earned a reputation for its simple design, hygienic operation, and ability to handle a wide variety of liquids. Therefore, in this article, we will examine how peristaltic dosing pumps operate, their key advantages, common applications, and why they are an ideal choice for industries where consistency and cleanliness are paramount. What Is a Peristaltic Dosing Pump? A peristaltic dosing pump is a type of positive displacement pump that operates by compressing and releasing a flexible tube or hose. Inside the pump, rotating rollers or shoes squeeze the tubing in sequence, pushing fluid forward in a controlled manner. Once the roller passes, the tubing rebounds to its original shape, creating suction that draws in more liquid. This repeating action mimics the natural peristalsis that occurs in biological systems, such as the human digestive tract. Unlike other pumps that rely on seals, valves, or diaphragms, a peristaltic dosing pump only comes into contact with the fluid through the tubing itself. This design greatly reduces contamination risks and makes the pump exceptionally versatile for sensitive or aggressive liquids. Key Features and Benefits The popularity of peristaltic dosing pumps comes from several clear advantages: 1. Accurate and Repeatable Dosing These pumps deliver precise, reliable doses, maintaining exact fluid volumes with each rotation. Their consistent displacement ensures trusted...


> An inline static mixer blends fluids in pipelines without moving parts. It improves mixing efficiency, supports chemical dosing, and is used in water, food, pharma, and industrial processes.

- Published: 2025-09-17
- Modified: 2025-09-18
- URL: https://wrsdosing.com/chemical-dosing-pump/inline-static-mixer-role-in-chemical-dosing/
- Categories: Chemical Dosing Pump
- Tags: Chemical Dosing, Chemical Dosing Pump, chemical dosing systems, Inline Static Mixer

An inline static mixer is one of the simplest yet most effective solutions for achieving consistent fluid mixing in pipelines. Unlike traditional mixers that rely on moving parts, an inline static mixer utilizes fixed elements within the pipe to split, rotate, and recombine fluid streams, ultimately forming a uniform mixture. Thus, these mixers play a vital role in improving product quality, system safety, and operational efficiency. What is an Inline Static Mixer? An inline static mixer is a device placed inside a pipeline to mix fluids without any moving parts. Inside, fixed elements like baffles, helical twists, or fins split, rotate, and recombine the fluid streams, blending liquids, gases, or powders into a uniform mixture. A static mixer works without a motor, using the energy from the flowing fluid. Pressure moves the fluids forward, and the mixer’s elements create turbulence and cross-flow for thorough mixing with little energy use. How well it works depends on the design and number of elements inside. Inline static mixers are widely used in industries that require reliable, continuous mixing. In water and wastewater treatment, chemicals such as chlorine or coagulants are added to the water. In food and beverage processing, they blend syrups, flavorings, or gases, such as carbonation. In pharmaceuticals, they help mix ingredients where sterility and consistency are essential. They’re also common in chemical processing and polymer production, where precise blending of reactants is critical. The main advantages are their simplicity, low maintenance (due to the absence of moving parts), and ability...


> Chemical dosing pumps inject precise amounts of chemicals into systems. They ensure safety, improve efficiency, and are used in water treatment, agriculture, food, pharmaceuticals, and industry.

- Published: 2025-09-17
- Modified: 2025-09-30
- URL: https://wrsdosing.com/chemical-dosing-pump/chemical-dosing-pumps-types-safety-and-best-applications-explained/
- Categories: Chemical Dosing Pump, knowledge
- Tags: Motor-Driven Dosing Pumps, Peristaltic Pumps, Solenoid-Driven Dosing Pumps

Chemical dosing pumps are essential in industries that need precise chemical delivery. While standard pumps move large volumes, dosing pumps add small, measured amounts to specific systems. This helps control processes, improve safety, and protect equipment in water treatment, agriculture, and pharmaceuticals. More than that, automation makes the process more reliable and reduces waste. What is a Chemical Dosing Pump? A chemical dosing pump is designed to inject precise amounts of a chemical into a fluid stream, tank, or system. It delivers small, controlled quantities at set rates and intervals. Thus, it is vital in industries where the right chemical balance ensures safety, efficiency, and product quality. The working principle is straightforward: a dosing pump draws chemical solution into its chamber during the suction phase and pushes it into the target system during discharge, all at a controlled rate. Modern pumps allow for manual or automatic flow control and can connect to sensors for real-time adjustments based on variables such as pH or concentration. Chemical dosing pumps are widely used in water and wastewater treatment, where they add disinfectants like chlorine to make water safe. In agriculture, they deliver fertilizers or pesticides through irrigation systems with accuracy that prevents waste and environmental harm. While, in food and beverage plants, they help mix preservatives, colorings, or flavorings so that every product is consistent. In industrial and energy sectors, they protect equipment by injecting corrosion inhibitors, biocides, or anti-scalants into cooling towers and pipelines. In short, chemical dosing pumps automate chemical delivery...


> What is the purpose of dosing? Dosing helps avoid giving too little, which does not work, or too much, which can be wasteful or even harmful.

- Published: 2025-09-16
- Modified: 2025-09-16
- URL: https://wrsdosing.com/knowledge/what-is-the-purpose-of-dosing/
- Categories: knowledge
- Tags: Chemical Dosing, Dosing Pumps, Pharmaceutical

Dosing in pumps, chemistry, or medicine means adding the right amount of a substance at the right time. What is the purpose of dosing? Dosing helps avoid giving too little, which does not work, or too much, which can be wasteful or even harmful. In industry, dosing pumps add exact amounts of chemicals like chlorine for water treatment, fertilizer for irrigation, or additives in food and medicine. This keeps processes safe and consistent. In medicine, dosing makes sure patients get enough medicine to help them without causing harm. In agriculture, giving crops the right amount of nutrients helps them grow well and prevents damage to their roots. The main goal of dosing is control. It keeps biological, industrial, and environmental systems working by adding substances in measured amounts instead of all at once. This balance helps make water safe, medicines work well, and factories run smoothly. The Purposes of Dosing Across Industries Dosing is used everywhere, but its purpose changes depending on whether it is for people, water, machines, or soil. Here is how dosing works in different areas: 1. Medical and Pharmaceutical Sector In medicine, dosing is fundamentally about balancing healing and harm. Drugs must be given in just the right quantity so that they provide therapeutic benefit without slipping into toxicity. A patient who receives too little medication will not recover, while a patient who receives too much risks severe side effects. Thus, doctors and pharmacists calculate doses based on factors such as body weight, metabolism, and the...


> What is a dosing pump? A dosing pump is a highly specialized pump built not to move large volumes of liquid, but to deliver small amounts with extreme accuracy.

- Published: 2025-09-09
- Modified: 2025-09-25
- URL: https://wrsdosing.com/knowledge/what-is-a-dosing-pump/
- Categories: knowledge
- Tags: Diaphragm Dosing Pump, Dosing Pumps, metering pumps, Motor Driven Dosing Pump, Peristaltic Dosing Pump, Piston Dosing Pump, Solenoid Dosing Pump

If you’ve ever wondered what is dosing pump, the answer is simple: it’s a highly specialized pump built not to move large volumes of liquid, but to deliver small amounts with extreme accuracy. Instead of flooding a system with fluid, a dosing pump carefully injects precise doses into a stream, tank, or process line at a controlled rate. This precision is crucial in industries where small changes in chemical concentration can lead to problems. What is A Dosing Pump? A dosing pump is a highly specialized pump built not to move large volumes of liquid, but to deliver small amounts with extreme accuracy. It delivers a set amount of liquid into a fluid stream, tank, or process line. However, its main job isn’t to move a lot of fluid. Instead, it ensures small amounts of liquid are added accurately and consistently at a set rate. A dosing pump operates based on a repeated cycle of suction and discharge. During suction, the pump draws liquid from a container or reservoir into its chamber. During discharge, the pump injects that liquid into the target system at a specific flow rate. You can adjust the dosing rate manually or electronically, depending on the design. Many modern dosing pumps now have digital controllers and communication interfaces. This lets them connect with automated systems and allows for precise remote adjustments. Dosing pumps are widely used in industries that require precise chemical treatment or controlled additives. In water and wastewater treatment, they inject chlorine, coagulants, or...


> This guide explains how stroke adjustment, flow rate, calibration, and turndown ratio work together to ensure dosing pumps deliver accurate, efficient chemical dosing.

- Published: 2025-08-11
- Modified: 2025-08-11
- URL: https://wrsdosing.com/knowledge/guide-to-stroke-adjustment-and-flow-rate-in-dosing-pumps/
- Categories: knowledge

Many industries rely on dosing pumps for accurate chemical handling. These include water treatment, agriculture, chemical processing, and food production. For any dosing application to succeed, operators need to carefully manage two key variables: stroke adjustment and flow rate. These two factors determine how much fluid the pump doses. They also affect how accurately and efficiently the fluid is delivered. This guide breaks down how stroke adjustment works, what flow rate means in dosing systems, and how calibration and turndown ratio affect precision. What Is Stroke Adjustment? In a dosing pump, the term stroke refers to the full motion of the pump’s diaphragm or piston during each cycle. Stroke adjustment is the ability to change the length or depth of this motion. By increasing or decreasing the stroke length, operators can directly affect how much liquid is dispensed per stroke. Some pumps allow manual stroke adjustment using a dial or handwheel, while more advanced models offer electronic or automatic adjustment via external control signals. This control is especially useful in applications where fluid volume needs to be adjusted in real time. Understanding Flow Rate Flow rate is the volume of liquid a pump delivers over a set period, usually expressed in liters per hour (LPH) or gallons per minute (GPM). It depends on two main factors: Stroke length – How far the diaphragm or piston moves. Stroke frequency – How many strokes the pump completes per minute. Together, these factors determine the pump’s output capacity. Accurate control of flow rate...


> The Eignal Series EMG model is a smart dosing pump designed to boost industrial efficiency through advanced digital features like RS485 communication, 4–20mA input

- Published: 2025-07-30
- Modified: 2025-07-30
- URL: https://wrsdosing.com/knowledge/what-makes-a-smart-dosing-pump-a-deep-dive-into-the-eignal-series-emg-model/
- Categories: knowledge

In industrial operations where accuracy and reliability are non-negotiable, smart dosing pumps are practically the best for keeping operations smooth and cost-effective.   But what exactly makes a dosing pump smart? In this post, we explore how our Eignal Series EMG Model by WRS sets the standard through advanced digital features tailored for modern industrial usage. What is Eignal Series EMG Model? The Eignal Series EMG Model is a stepper motor-driven mechanical diaphragm metering pump, engineered to handle both corrosive and non-corrosive liquids with viscosities ranging from 0. 3 to 1000 cps.   Its rated flow ranges between 15 to 150 liters per hour, with pressures from 10 to 4 bar. Therefore, it is ideal for a wide spectrum of applications including water treatment, chemical processing, food and beverage dosing, and agriculture. The EMG model is built with high-grade materials to ensure long-term performance. For the pump head, users can choose between PVDF or SS316, both known for their chemical resistance. It also features a five-layer diaphragm that enhances durability during continuous operation.   The EMG has a compact design that saves space in tight installations. It offers steady-state accuracy of ±1%, so dosing stays accurate and consistent. Plus, its low energy consumption makes it both cost-effective and environmentally friendly. These qualities offer a solution for operators who need consistency without added complexity. However, what truly sets the Eignal Series EMG model apart is its smart digital capabilities. We’ve designed the pump to be able to adapt, respond, and integrate...


- Published: 2025-07-23
- Modified: 2025-07-23
- URL: https://wrsdosing.com/knowledge/maximize-efficiency-the-ultimate-guide-to-choosing-the-right-dosing-pump-for-your-needs/
- Categories: knowledge

In today's fast-paced industrial landscape, maximizing efficiency is essential for success. Choosing the right dosing pump can play a pivotal role in achieving this goal, but with the array of options available, the decision can feel daunting. Whether you're managing a chemical plant, a water treatment facility, or a food processing operation, finding the perfect pump tailored to your specific needs is crucial. This ultimate guide will navigate you through the complexities of dosing pump selection, ensuring that you not only optimize resource use but also enhance your operational performance. From understanding pump types and flow rates to assessing compatibility with different substances, we’ll equip you with the knowledge to make informed decisions. Join us as we delve into the world of dosing pumps, where precision meets efficiency, and set your operations on the path to success. Let’s ensure every drop counts! Understanding Dosing Pumps: An Overview Dosing pumps are precision instruments used to deliver precise amounts of liquids into a system. These pumps play a crucial role in various industries, ensuring that chemicals, additives, or other substances are introduced at the right time and in the correct proportions. The primary function of a dosing pump is to control the flow rate and volume of liquid, making it indispensable in processes where accuracy is paramount. The operation of dosing pumps is typically based on a positive displacement mechanism, which ensures consistent flow rates regardless of pressure changes in the system. This feature is particularly beneficial in applications where maintaining a...


- Published: 2025-07-23
- Modified: 2025-07-23
- URL: https://wrsdosing.com/knowledge/how-to-choose-the-right-dosing-pump-for-your-project/
- Categories: knowledge

Selecting the ideal dosing pump for your project might initially seem overwhelming, given the multitude of options available. However, by understanding the basics, considering key factors, and matching the pump type to your specific needs, you can make a well-informed decision. Let's delve into everything you need to know in a simple and engaging way. Understanding the Basics of Dosing Pumps Before choosing the right dosing pump, it's essential to understand what a dosing pump is and how it functions. A dosing pump, at its core, is a positive displacement pump designed to inject a precise amount of a chemical or other substance into a stream of water, gas, or steam. It's like the special ingredient in a recipe, ensuring everything turns out just right. Illustration showing a basic dosing pump injecting liquid into a water stream. Dosing pumps play a critical role in various industries, from water treatment and food processing to agriculture and pharmaceuticals. These pumps usually operate with electric motors or air actuators, and they can include sophisticated control systems for precise operation. By grasping these fundamentals, you establish the groundwork for selecting the perfect pump for your needs. Key Factors to Consider Before Choosing a Dosing Pump Now that you know what a dosing pump is, it’s time to examine the factors that will influence your choice. Here are some key points to consider: Application Needs: Determine the purpose of your dosing pump. Different projects will have varying requirements, such as pH control, disinfection, or specific...


> Discover the precision and efficiency of motor driven dosing pumps for industrial applications like water treatment, chemical processing, and more.

- Published: 2025-07-08
- Modified: 2025-07-08
- URL: https://wrsdosing.com/chemical-dosing-pump/advantages-of-motor-driven-dosing-pumps/
- Categories: Advice, Chemical Dosing Pump, knowledge, Metering Pumps

In today's industrial landscape, precision and efficiency are key factors that can make or break a business. Whether in water treatment, chemical processing, or pharmaceuticals, the need for accurate and reliable dosing systems is paramount. Enter the motor driven dosing pump a technology that has revolutionized the way fluids are handled and processed. In this article, we explore the numerous advantages of using motor driven dosing pumps and why they might be the perfect solution for your pumping needs. A motor driven dosing pump is a type of pump specifically designed to deliver precise amounts of fluid. Unlike manual pumps, these automated systems ensure consistent flow rates and are highly adaptable to various industrial applications. They are powered by motors, which provide the necessary force to move fluids through the pump at controlled rates. Key Advantages of Motor Driven Dosing Pumps Precision and Accuracy One of the most significant benefits of motor driven dosing pumps is their precision. These pumps can deliver exact amounts of chemicals or fluids, making them ideal for applications where accuracy is crucial. This precision helps in maintaining the quality and consistency of the end product, which is especially important in sectors like pharmaceuticals and food processing. Versatility and Adaptability Motor driven dosing pumps are incredibly versatile. They can handle a wide range of fluids, from viscous chemicals to dilute solutions. This adaptability makes them suitable for various industries, including water treatment, where they are used to add disinfectants, and in agriculture, where they deliver fertilizers...


> WRS Diaphragm Pumps are The Superior Choice. The Situation for a Diaphragm Pump. How WRS Metering Pumps Ensures Accuracy

- Published: 2020-08-13
- Modified: 2020-08-13
- URL: https://wrsdosing.com/metering-pumps/wrs-diaphragm-pumps-are-the-superior-choice/
- Categories: Metering Pumps
- Tags: Diaphragm Pump, metering pump system, solenoid driven diaphragm pumps, WRS Metering Pumps

Buying a diaphragm metering pump can be confusing because each application and usage is different, as a result choosing a metering pump requires a number of well-taken decisions. Researching process is made worse by the number of manufacturers to choose from. There are some factors that make pumps by WRS the ideal choice out of all the different types of metering pumps, but make sure you have a detailed discussion with the representatives of the manufacturer you’re buying from to make sure it’s a good fit for you. The Situation for a Diaphragm Pump Any industrial or commercial application that requires that you are able to mete out fluids and or chemicals at a calculated, geometric rate is in need of a diaphragm pump (categorized under positive displacement pump family). If your needs tilt towards needing the process to be highly efficient, repeatable and in some cases automated; then diaphragm pumps are your best choice. Specificity is important because although it may look like it’s all the same, you need to have a consistent, calculated flow rate for your chosen fluids and or chemicals to be metered. In the case of chemical dosing, if you pumped out the entire chemical stored into one part of the fluid or water that is to be treated, then it would be an inefficient process. The chemical would not dissolve or disseminate equally rendering the treatment process as inadequate. In such cases, the process has to be repeated which can in turn cause an...


> The Dynamics of Sourcing from Top Metering Pump Manufacturers. The Growth Cycle. WRS metering pumps manufacturer and supplier

- Published: 2020-08-13
- Modified: 2020-09-29
- URL: https://wrsdosing.com/advice/the-dynamics-of-sourcing-from-top-metering-pump-manufacturers/
- Categories: Advice
- Tags: Chemical Dosing, Distributor, manufacturer and supplier, metering, Pump Manufacturers

Metering pumps in chemical dosing applications are used in dozens of industrial processes and end-users whom invest in the right metering pump through a reputable manufacturer, they can last very well for years and provide many thousands of hours of service. Becoming a supplier for a metering pump manufacturer has many advantages as metering pumps are at the center of many industries (petroleum, chemical, food, pharmaceutical, paper, light industry, agriculture, water plant and other industrial and technological sectors) and there is a consistent demand for them in our global world. The Growth Cycle Understanding the dynamics of the industry begins with the concept that as manufacturers are able to expand their operations; they ultimately look for local distributors and suppliers so they can spread out their market and availability. Innovation and growth within the manufacturing process are also pivotal to achieving a global or national presence which is why top metering pump companies regularly seek to bring new products and components onto the market. Local suppliers and distributors need to be up to date on all these innovations so they can better communicate them to their customers. In the interests of expansion, larger manufacturers may routinely acquire smaller companies especially those backward or forward down the supply chain so they can better control the deliveries, production and quality of their products. Fill The Gap A distributor of metering pumps for chemical dosing has many important functions to fulfill as they need to build a bridge between the manufacturer and the...


> What Peristaltic Pumps are Best Suited For. The Operation of a Peristaltic Pump. Motor Driven Chemical Dosing Pump

- Published: 2020-08-13
- Modified: 2020-08-13
- URL: https://wrsdosing.com/advice/what-peristaltic-pumps-are-best-suited-for/
- Categories: Advice
- Tags: metering pumps, Motor Driven Pumps, Peristaltic Pumps

Peristaltic pumps are a type of metering and dosing pumps that have their own unique advantages when compared with the other kinds that are available on the metering pump market. Peristaltic pumps are well suited for processes where contamination is a serious issue since the mechanism of this type of pump keeps the fluid/liquid in the hose forbidding backflow or any other malfunction; they also offer a high level of pumping accuracy. The Operation of a Peristaltic Pump The mechanism of a peristaltic pump is quite simple. It compresses and relaxes to release the exact amount of fluid / chemical dose according to what the original measurement was setup to. It brings up the contents to the hose and with the help of other components rigged for accuracy, it is able to consistently dose the fluids / chemicals as per application. What Peristaltic Pumps are Best Suited For There are quite a few industries such as water treatment plants and processes for which peristaltic pumps are better suited than other varieties such as air operated diaphragm pumps. Leveling the pH is a process that is carried out by metering pumps of all kinds but is done best with peristaltic pumps. The PH of the water gets disrupted once it’s been treated regardless of whether it was treated for wastewater, or for swimming pools or for mineral water production. Lime or sodium hydroxide is typically used to adjust the pH to the required or balanced level. The pH level and its...


> Purchasing Metering Pumps from Local Distributors. Pros of Going Local. WRS Metering Pump Manufacturer & Supplier globally

- Published: 2020-08-13
- Modified: 2025-09-23
- URL: https://wrsdosing.com/advice/purchasing-metering-pumps-from-local-distributors/
- Categories: Advice
- Tags: local distributor, manufacturer, metering pumps

Buying Metering pumps is a time-consuming task in itself due to preliminary research, but what's worse is that buying them from the wrong distributor can prove extremely costly in every way. While the prevalent trend is to buy from online dealers, which may not be the best choice for you especially if you are purchasing several metering pumps at one time and aren’t exactly sure which model or make is a good fit for your particular application. . While many companies and business owners prefer to buy direct from the manufacturer it is worthwhile to note that large companies sometimes can provide face to face advice and dealings to all their customers. For that reason opting for a reputable local distributor that sources products from good, well-known international manufacturers may be in your best interest. Smaller manufacturers (particularly those that are family-owned and so forth) may actually have their own chain of chosen distributors in a particular country that will be able to provide warranty and customer service in a current local location. This also allows the original manufacturer to have contact with the end-user without having to deal with each issue from their own office and instead delegating to local distributors for faster resolution. Pros of Going Local You may think that researching on your own can provide all the answers, and while that may partially be the case, nothing beats getting advice from professionals that deal with metering pumps on a daily basis. You will save time to...


> Look for These in Metering Pumps and Chemical Dosing Pumps. Compatibility Materials and Standards. Quality, longevity and affordability

- Published: 2020-08-08
- Modified: 2020-08-08
- URL: https://wrsdosing.com/chemical-dosing-pump/look-for-these-in-metering-pumps-and-chemical-dosing-pumps/
- Categories: Metering Pumps, Chemical Dosing Pump
- Tags: Chemical Dosing Pumps, Compatibility, Materials, metering pumps, Standards

Without the right metering pump systems and setup solutions, metering pumps and their upkeep can be a costly venture regardless of the purpose for which they are being used, whether it be wastewater treatment, swimming pools in hotels and resorts or industrial uses. When buying a metering pump it is essential to know the vital cogs and features of the device and what effect they have on the output in order to make the right choice. Apart from longevity and less maintenance, the right metering pump will improve your industrial processes and aid in better utilization of chemical resources. If you have any of the vital features missing, entire system can suffer from premature wear and tear, leakages and susceptibility to environmental factors such as weather. Compatibility Materials and Standards Cheaper and poorly made metering pumps do not have compatibility with many standard-issue chemicals used in industrial processes. This can be a very expensive mistake to make when choosing metering pumps, we encourage you to always buy higher quality metering pumps (such as the ones from WRS) and check with the manufacturer regarding the range of chemical compositions they are compatible with. Sulphuric acid and caustic soda are commonly used within chemical dosing process, due to the corrosive flammable compounds found in chemicals, this can overtime damage and eat away plastics and even metals. You must ask? Can low quality cheap metering pumps handle your specific requirements. When distributing a metering pump or buying one for that matter, make sure...


> The Mechanism of Peristaltic Pumps and Their Benefits. Choosing The Right Metering Pump Requires Expert Advice. Contact WRS experts

- Published: 2020-08-08
- Modified: 2020-08-08
- URL: https://wrsdosing.com/advice/the-mechanism-of-peristaltic-pumps-and-their-benefits/
- Categories: Advice
- Tags: Metering Pump, Peristaltic Pumps, roller pump, type of metering pump

Indeed we are living in a complex world, there are even YouTube videos showing how to make a Peristaltic Pump. Unless you are an engineering student, DIY pumps aren't going to suffice. Definition of Peristaltic is that its a wavelike muscular contractions in tubular structures. In terms of the word 'Peristaltic' within industrial settings, peristaltic pumps (also known as roller pumps) are a kind of metering pump that operates primarily on compress and relax mechanism (as shown in the figure above) that works well for processes such as drinking water plants, pharmaceutical settings or when there is no room for the risk of contamination. The compression system works in one way direction to prevent the fluid from going back up the hose decreasing the chance of contamination and backflow. A roller presses the hose down flat so that the discharge valve as well as the suction cap are both sealed and chemical input can neither leave nor enter the hose after each convulsion. Then, in an alternating movement the hose again fills up with the exact dose of the chemical and that is propelled forward into the effluent. The chemical medium that needs to be pumped out is never put into contact with any other part of the whole pump, but, is stored in the hose for maximum protection. An extended tube is also attached to the tube to store the chemical medium. Pros and Features of Peristaltic Pumps Peristaltic pumps are made without a seal (unlike the other varieties...


> Metering Pump Coagulation pH Balance and Water Treatment. Talk to WRS Metering Pump Manufacturer & Supplier for The Right Solution

- Published: 2020-08-08
- Modified: 2020-08-08
- URL: https://wrsdosing.com/advice/metering-pump-coagulation-ph-balance-and-water-treatment/
- Categories: Advice
- Tags: Ammonia, Coagulation, Flocculation, Oxygen scavengers, pH, Phosphate, Water Treatment, WRS Metering Pump

There are many many different types of PUMPS manufactured around the globe. Obvious reason for this is the requirement of the end-user. But not all pumps are created equal, despite the fact that they may be labelled for certain uses. Because diaphragm pumps are so versatile for fluid transfers they are used in vast industries such as: Pulp and Paper, Textile Industry, Agricultural, Food and Beverage, Pharmaceutical, Hospitality, Oil & Gas Industry, Hotels And Resorts, water treatment just to name a few. At its core, when dispensing and metering is required, metering pumps get the job done due to their efficiency and accuracy. WRS diaphragm metering pumps are known for their safety as well as their cost-effectiveness in the facilities where they are utilized. Due to various additional components and their own innate mechanisms, metering pumps can gauge pressure, prevent fluid from flowing back, and prevent chemical corrosion, and that makes them one of the best choice in quality metering pumps. Diaphragm pumps fall into a wide range of industrial applications. Coagulation Flocculation is a well-known purpose for metering pumps as well as coagulation, both of which are used to treat contaminated industrial water as well as used for wastewater treatment. These processes collect solid and semi-solid particles in one place so they can be removed manually or through industrial strainers. It is necessary for the process to be done with a high level of accuracy as this recycled fluids are re-used and in the case of water treatment where...


> Choosing a Metering Pump? Consider pre-packaged system. Talk to WRS Metering Pump Experts for a Complete Solution

- Published: 2020-08-06
- Modified: 2020-08-06
- URL: https://wrsdosing.com/advice/choosing-a-metering-pump/
- Categories: Advice
- Tags: Air relief valves, Metering Pump, metering pump system, pressure gauge, Y-strainer

Metering pumps are needed for a wide range of uses including industrial, manufacturing, water treatment, electroplating or even in food and beverage sectors. For end customer purchasing metering pumps for the first time, it can be hard to know the array of necessary accessories that is needed with each type of pump. This is where a manufacturer-approved list can come in handy, and some manufacturers will be happy to provide a pre-packaged metering pump system with all the parts included if you ask especially when placing an order. Keep in mind that WRS metering pumps are delivered pre-packaged with all the required parts (e. g. foot valve, injection valve, tubing and others). Also its wise to choose one reliable metering pump manufacturer and supplier when you are buying a metering pump and parts as finding compatible parts can be hard when the system is put together using different metering pump parts or brands. Ideally, you want your metering pump to be a long-term investment running for at least thousands of hours regardless of whether you’re using it in a factory, to treat water of any kind, or for other applications. Since maintenance, research, and decisions all take a lot of time; a packaged metering pump system is great especially when you get a professional to carry out the installation. There are a few key components you should know about when choosing a metering pump for your requirement: Most metering pump devices are positive displacement pumps and you need them to...


> Metering Pumps Automation and Remote Control. Detecting Leaks in Metering Pumps. Remote Control of Operation. Metering pumps manufactured by WRS

- Published: 2020-08-04
- Modified: 2020-09-29
- URL: https://wrsdosing.com/advice/metering-pumps-automation-and-remote-control/
- Categories: Advice
- Tags: Automation, metering pumps, Remote Control

For obvious reasons, metering pumps carry out a function that aligns closely with complete accuracy and efficiency. Metering pumps with certain built-in functions such as signals and automated functions can offer you better results compared completely manual versions as they can retain the productivity and efficiency automatically. In many facilities, the chemical dosing and metering pumps are run 24 hours with different settings required for each stage. While on-site staff can look into these requirements, an automated facility can reduce stress and make sure the process is free from human error or even forgetfulness. Any trusted and well established metering pump manufacturers in the business will tell you that the concept is simple: you install the pump, activate the settings and then this is one less thing for you to worry about. With more and more industrial level machinery becoming automated, it was only a matter of time before this began to be applied to various models of metering pumps by manufacturers. Since industrial operations require high volume of production outcomes, some metering pumps work by using signal control, whereas others offer remote flowrate control using an additional actuator. Certain functions can also be timed according to different predetermined cycles allowing you higher degree of control. Remote Control of Operation A 4-20mA signal controller can be used with digital variable frequency drive technology to remotely control the output of the metering pump according to certain specifications. It is in fact the motor of the metering pump that responds to the...


> Becoming a Distributor for Metering Pump Manufacturers has great benefits when you work with WRS. Able to manufacture OVER 40K units per year

- Published: 2020-08-03
- Modified: 2020-08-03
- URL: https://wrsdosing.com/advice/becoming-a-distributor-for-metering-pump-manufacturers/
- Categories: Advice
- Tags: Chemical Dosing, Distribution, Distributor, metering pumps, metering pumps manufacturer

What is the most important factor you are looking for when it comes to finding metering pumps manufacturer? Is it the reliability of metering pumps suppliers? Or is the low cost metering pumps you can make a hefty profit of? Here at WRS, our experience tells us that although both points are important, there is one above all "prompt delivery coupled with exceptional support for all inquiries". Let's face it, as a metering pumps distributor, you could perhaps get your metering pumps and related products from variety of sources, and yet, we sincerely believe that you are in a sales business. At its core, that means you are in 'customer service' business. And that's where WRS metering pump manufacturer and supplier can be what you are looking for because we too are in customer service industry. We've been serving our valued customers globally supplying over 50 countries worldwide. Contact us to find out how we can work together to build long term 'successful' business partnership. Metering pumps or chemical dosing pumps as they are often called are used in numerous industries ranging all the way from wastewater management to chemical dosing pump for water treatment plant to agricultural settings. With this array of purposes in hundreds of industrial processes, there are many unique advantages to becoming a distributor for WRS metering pumps supplier and established manufacturer. Looking for range of metering pumps? We've got you covered with solenoid, air or motor driven metering pumps Direct Connection with The Manufacturer Working...


> Getting the Most Out of Your Metering Pump means that accuracy of the entire process is critical. Learn more about Chemical dosing Flow Meter and Rotameter

- Published: 2020-05-22
- Modified: 2020-05-22
- URL: https://wrsdosing.com/advice/getting-the-most-out-of-your-metering-pump/
- Categories: Advice
- Tags: flow rate, metering products, Metering Pump, Metering System Accessories, Rotameter

WRS metering pumps are known for their many benefits in industrial use such as processability, accuracy, cost effectiveness and longevity. However, since there are many metering pump suppliers on the market creating low-quality metering pumps, as a result due to several extraneous factors such as temperature and pressure; input and output results, as well as measuring the accuracy can be affected greatly. How Outcome Can Be Affected In theory, a metering pumps are engineered towards great deal of precision largely due to a pump head displacement, but the factors that can create anywhere from a 10% to a 30% variation in the results are as follows: The temperature of the surroundings in which the pump is operating as well as the temperature of the fluid being pumped. Air can get trapped in a pump very easily especially with excessive use or heat which can greatly affect chemical dispersion. The daily wear and tear of all components related to the metering system and the dosing pump itself. Shifts in the pressure level can also cause discrepancies in output. Flow Meter Can Ensure Accuracy A flow meter measures ‘direct mass flow’ and regulates it with what is known as a ‘principle of operation’ or PID device. A predetermined limit is set on the flow meter which then implements these directions on the metering pump. The process is simple and increases efficiency especially if you are using the pump in an area with significant interfering factors such as heat and or weather. WRS...


> Basics of Chemical Dosing for Water Treatment. Chemical dosing is simply the name given to the process of delivering a chosen chemical into a body of water

- Published: 2020-05-22
- Modified: 2020-08-06
- URL: https://wrsdosing.com/advice/basics-of-chemical-dosing-for-water-treatment/
- Categories: Advice
- Tags: Chemical Dosing, metering, PH levels, wastewater treatment, Water Treatment

Chemical dosing is quite simply the name given to the process of delivering a chosen chemical into a body of water. Dosing pumps inject a very specific amount of chemical into a liquid stream. Apart from wastewater treatment, there are various other applications for dosing pumps some of which can be used within oil and gas, food processing, pharmaceutical, boiler feed water treatment or other industrial settings where metering and chemical dosing is needed. In each case, the chemical being added has a specific process function and it is important to add the right amount of chemicals to prevent operational problems. The removal of phosphate from the effluent of a sewage system is an essential part, because its one of the first steps in treating wastewater so that it can be utilized or returned to a natural water source. The Process of Dosing 101 A pump skid is often used for this process and it includes a metering pump, safety equipment, and a monitoring control system with various options to control the flow of the chemical such as pressure gauges, valves, switches and calibration columns. It is passed through giant specialized filters and then chosen chemicals are dosed into the water, to counteract the toxicity so that the effluent doesn't cause contamination when it is dumped as this can be hazardous including for all kinds of wildlife. Keep in mind that liquid dosing is actually based upon choosing the proper pump and controls. And since each situation and requirement will...


> Basics of Choosing Chemical Dosing Pumps. Consider these when thinking of purchasing metering pumps for your application. WRS dosing pump manufacturing

- Published: 2020-05-22
- Modified: 2020-08-06
- URL: https://wrsdosing.com/chemical-dosing-pump/basics-of-choosing-chemical-dosing-pumps/
- Categories: Chemical Dosing Pump
- Tags: Chemical Dosing Pumps, Metering Pump, Pump Systems, Viscosity

While a metering pump operates on a simple premise of dosing a calculated amount of fluids, there are several factors that will impact not just the size of pump that you will need, but the overall productivity. Fluid Temperature Never decide on a particular style of dosing pumps such as a peristaltic pump or a Diaphragm type pulse injection without knowing the average temperature requirements of the fluid you will be dosing. Since the fluid will be pumped frequently and repeatedly, this seemingly small aspect may, in fact, become a gigantic problem especially if compatible parts are not used. Knowing the Pressure Temperature is not the only factor that affects the inlet and the outlet of the dosing pump. The correct equipment can only be chosen if the level of pressure has been accurately measured beforehand. That means, liquid dosing is actually based upon choosing the right pumps that can handle the needed pressure range. In the Event of a Leak Over time it is not unusual for leaks to occur in industrial equipment such as large dosing pump settings. In many cases, this happens because the dosing fluid has corrosive properties or the wrong type of dosing pipe was used. More modern models of dosing pumps come with leak protection options and mechanisms that automatically alerts the operator when a leak has been detected. In older versions or if there has been compromises on quality of metering pumps purchased, these types of control and alert mechanisms usually does not...


> Choose the Right Dosing Pump Choose WRS Metering Pumps. The Dynamics of the Flow Rate. The Nature of the Pumping Fluid. WRS Motor Driven metering pumps

- Published: 2020-05-21
- Modified: 2020-08-06
- URL: https://wrsdosing.com/advice/choose-the-right-dosing-pump-choose-wrs-metering-pumps/
- Categories: Advice
- Tags: Dosing Pump, Metering Pump

Are you left or right handed person? Either way, imagine trying to write using your opposite hand, the words won't be written as good as your normal writing. Same is true when it comes to choosing the right dosing pump. The outcome upon setting up your dosing system must be exactly what you require for dosing fluids or chemicals or even water. As you may know that dosing pump has the primary function of moving an exact and specific amount of fluids (into water, chemicals, gas or steam). This process is known as 'metering' as a result dosing pumps are also called metering pumps. There are many factors that go into choosing the right dosing pump for your requirements while also staying within budget. Ideally, the pump should be chosen according to the pressure it can exert, the temperatures it can stand, and should be compatible with the fluids that need to be dosed. In some cases, these factors are neglected or ignored and this can result in serious accidents because most often times dosing pumps are used with chemicals. It is worthwhile to note that if you are dosing fluids of a considerable temperature, you will need to be wary of the dosing pipes that you are using. Strong metal or PVF2 performs generally better in these conditions when compared with plastic. PVDF: (PVF2 or Polyvinylidene fluoride) is a semi-crystalline high purity thermoplastic fluoropolymer with service temperatures up to 150°C and has these properties Chemical resistant High mechanical strength...


> Dynamics of a Chemical Dosing Pump. Learn about how does metering sytem work and what are the Mechanics of a Dosing Pump Systems

- Published: 2020-05-19
- Modified: 2020-09-29
- URL: https://wrsdosing.com/chemical-dosing-pump/dynamics-of-a-chemical-dosing-pump/
- Categories: Chemical Dosing Pump
- Tags: Chemical Dosing Pump, metering control system

A dosing pump is a displacement instrument that is used to pump a known, predetermined, and very specific amount of liquids including chemicals into either fluid, a gas or steam flow or a body of water. Control of the flow rate is also an important part of the dosing process itself, and this is determined by many factors such as the nature of the liquids, chemicals and water being treated and the purpose of treatment. The primary function of a dosing pump is that of a chemical delivery system and this is done with a high level of accuracy. A predetermined amount is first drawn into a chamber, and then through pipes leading to the tank or water storage unit, transferred back into required form of the liquid. Even though it carries out an enormous task, dosing pumps in themselves are rather small devices which can be operated either with (Electric, Air Operated Diaphragm Pump, Motor or Solenoid Driven chemical dosing pumps or basic actuator). Most dosing pumps are controlled by an external control system but some have regulation switches inside them which can specify the flow rate. The newer models of dosing pumps that are available have a range of options that make the device very easy to operate. There are monitoring systems available inside modern dosing pump models such as ones to indicate low product levels, alarms, time-specific on/off buttons, and timely warnings. The Mechanics of a Dosing Pump The dosing pump is made up of several parts,...


> Chemical Dosing Pump Maintenance. Wear & Tear. Preventing Pump Corrosion & Rust Keeping On-Top of Metering System Maintenance Tasks

- Published: 2020-05-19
- Modified: 2020-09-29
- URL: https://wrsdosing.com/advice/chemical-dosing-pump-maintenance/
- Categories: Advice
- Tags: Dosing Chemicals, Dosing Pumps, Maintenance

What if we didn't get our vehicles serviced on regular basis? With so many moving parts, its not an option but a necessity to make sure we don't end up on the side of the road stranded. At the end of the day, we want to make sure that we get the most mileage from our cars before things go wrong. Same as true when using chemical metering pumps or dosing pumps which require timely and regular maintenance just like any other piece of industrial equipment. Because productivity matters. There are many issues that commonly arise from metering pumps when they are used day in and day out and this applies especially to the equipment that is connected to them such as dosing pipes and safety valves. Wear & Tear At the core of it all, chemical dosing pumps are engineered to move fluids, be it at high temperature, high pressure or corrosive chemicals which requires the core materials to be fit for the purpose accordingly. As a result, the area that surrounds a chemical metering pump stays in contact with fluids and water constantly and also it can become excessively wet over time causing issues such as rust and rot can sink in. Although newer pump designs are optimized for high flow rates with less chance of leakage of fluids, maintenance can avoid seepage into the area surrounding the metering system. Regardless of the type of metering pump you have set up, you will need to reassess the area...


> Commonly Used Chemicals in Dosing Pumps. Learn about chemical dosing and common chemicals used in metering systems by a chemical dosing pump manufacturer

- Published: 2020-05-19
- Modified: 2020-09-29
- URL: https://wrsdosing.com/chemicals/commonly-used-chemicals-in-dosing-pumps/
- Categories: Chemicals
- Tags: Amines, Chemical Dosing, Chemicals, Coagulants, Sodium bisulfate, Sodium hypochlorite

Chemical metering pumps have a wide range of applications across several industries including for water treatment plants, petrochemical plants, agricultural, distilleries, oil and gas, mining operations amongst others. The most common uses of chemical dosing pumps and dosing equipment are listed below. The most widespread use of chemical dosing pumps can be understood as the treatment of fluids for any type of purpose, particularly water and chemicals. Water treatment applies not just to wastewater, industrial effluent or sewage but also to regular river water that needs to be purified and made drinkable for human consumption. In many cases, large bodies of water which have uncertain levels of impurities and contamination are treated in water treatment plants even if the water is not ‘dirty per se’. Amines to Stop Corrosion Amines and related corrosion inhibitors are important chemicals that are routinely dosed in industrial plants. This is done largely to prevent the build-up of rust or other substances that can be harmful to machinery and plant infrastructure. Equipment such as boilers and steam turbines can be vulnerable to damage and build-up so these chemicals really help in maintenance and longevity. Sodium Hypochlorite And Other Disinfectants Disinfection and decontamination is a common application of dosing pumps, and this is done largely by using chemical compound called Sodium hypochlorite. Part of the composition of this chemical is Chlorine Cl2 which is used largely for disinfecting the water in swimming pools. Sodium hypochlorite is very effective in killing germs since it eradicates the cell...


> Different Types of Dosing Pumps. Peristaltic Pumps. Pulse Injection Solenoid Driven Chemical Dosing Pumps by WRS Motor Driven Metering Pumps

- Published: 2020-05-19
- Modified: 2020-08-06
- URL: https://wrsdosing.com/metering-pumps/different-types-of-dosing-pumps/
- Categories: Metering Pumps
- Tags: Air Driven, Diaphragm Pumps, Dosing Pumps, metering pumps, Motor Driven, Solenoid Driven

A dosing pump is a machine that enables the calculated dispersion of fluids such as water, gas, steam, chemicals and others. Although there are many different types and models of metering pumps are available on the market. The most used types of dosing pumps fall within certain type of categories (motor driven, peristaltic, solenoid and air operated diaphragm pump). Each type of dosing pump is suitable for a different applications requiring different pressure range or certain chemicals to be metered. Air Operated Diaphragm Pumps & Diaphragm Type With Constant Injection This type of dosing pump offers pinpoint accuracy, ideal for range of fluids particularly high pressure dosing, WRS Diaphragm pumps are corrosive resistant and offers up to 80% more efficiency compared to others on the market Diaphragm Pumps are used when constant and stable flow rates of a chemical is required for large bodies of treatable water. It consists of a pump chamber that is filled to the top in one go using a piston, control valves are placed on outlets and inlets. This type of dosing pump is excellent for instances when maximum flow rate is required Peristaltic Pumps Peristaltic pumps are also known as roller pumps and they are as their counterpart mentioned above, very accurate and specific. Their differing feature is a flexible and bendable tube for dispensing the chemical being used. The tube is often bent halfway or so and a mechanical lever shaped like a hand lets through a small portion of the chemical at...


> Beginner's Guide to Using and Setting Up Dosing Pumps. First Consider These Before Setting Up Dosing Pumps Safety Always Comes First

- Published: 2020-05-17
- Modified: 2020-08-06
- URL: https://wrsdosing.com/chemical-dosing-pump/beginners-guide-to-using-and-setting-up-dosing-pumps/
- Categories: Chemical Dosing Pump
- Tags: basics of dosing pumps, Setting Up Dosing Pumps

Dosing pumps are a commonly used product across a range of industries. These can by anyone from Water Treatment, Electroplating, Mining to Pulp and Paper industries. Even the medical Pharmaceutical industry uses dosing pumps for a variety of functions. The main purpose of using a dosing pump is to cause a flow and chemical reaction in a body of fluids even if it is a simple one such as adjusting the PH level or the chlorine level as is commonly done for swimming pool water. While in many cases an acid is injected into the water for a particular chemical reaction, flocculants are also used to make solids settle down to the bottom. Flocculating agents can also change the composition of the water and make it safe to use. Dosing is however not only for changing the properties of water, but it does also help in manufacturing various products. Dosing pumps are helpful in metering of fluids, corrosion inhibitors, biocides, high pressure and high-temperature fluids such as boiler feed can also be treated with dosing pumps, although changes in components used manufacturing dosing pumps are often required such as using polypropylene, aluminum, stainless steel instead of just poor quality plastic dosing pipes. First Consider These Before Setting Up Dosing Pumps Whenever chemicals or high pressure / temperature substances are handled, we must first take precautions for safety because you may be working with highly dangerous chemicals for dosing process. If wrongfully handled, operator error, pumping inaccuracies, chance of leakage and...


> The Easy Guide to Choosing a Metering Pump. What is a metering pump and what should you look for when choosing metering pumps for different applications

- Published: 2020-05-17
- Modified: 2020-08-06
- URL: https://wrsdosing.com/metering-pumps/the-easy-guide-to-choosing-metering-pumps/
- Categories: Metering Pumps
- Tags: advice, Chemical Dosing, Choosing a Metering Pump, metering pumps

Metering pump is a device used to control the flow rate of a fluid, it moves precise volume of liquid in a specified time period. These pumps are commonly used for a wide range of possible applications but are very popular for purposes of wastewater management as well as industrial use of any kind which requires the transfer of a certain liquids and chemicals in certain volume of fluids. Metering pumps come in all shapes and sizes, here at WRS we have different models as well as chemical dosing pumps which can be either Air, Motor or Selenoid driven chemical dosing metering pumps. When choosing a metering pump, there are many considerations to tick off to get the right one, although being certain of your specific requirements definitely helps. Below we'll discuss some important criteria to consider when choosing a metering pump. Basics of a Metering Pump Flow rate is an essential part of the metering pump functions to understand as it greatly affects the result of the chemical dispersion. The flow rate is indispensable for precision when you are dispersing chemicals either for coagulation (often used in wastewater to gather solids in one place) or simply successful filtration and killing off germs. Transfer pumps that simply squirt out chemicals are significantly different from chemical metering pumps with the latter being a more sensible purchase, especially for manufacturing plants and industrial uses. Preventing fluid slip due to any faulty internal mechanism is very important for various reasons, one being pumping...


> What is Chemical Dosing? Chemical Dosing involves delivering a chemical substance into a fluid, usually as a part of an overall process. Metering pumps

- Published: 2019-11-09
- Modified: 2020-08-06
- URL: https://wrsdosing.com/chemicals/what-is-chemical-dosing/
- Categories: Chemicals
- Tags: Chemical Dosing, metering pumps, What is

Chemical Dosing Chemical Dosing finds its application in a variety of industry sectors. From wastewater treatment to mining, and the list can go on. Chemical Dosing involves delivering a chemical substance into a fluid, usually as a part of an overall process. When applied in sewage treatment, it is used in the anaerobic digestion process for making energy from waste and for enabling a clean effluent return to a natural watercourse. With that said, it is watercourse to know that pumping chemicals usually comes at a premium. It doesn't matter if it is treating water, producing a material, or treating waste; its entire process requires precision and accuracy. Ensuring that you have a precise and highly functional chemical injection pump along with other chemical metering tools should be the main priority. A quality metering pump is very advantageous. It saves you money on downtime costs and saves you on downtime. Essential Features To Look at for in a Chemical Metering Pump The following is a rundown of the vital features to look at when getting chemical metering pump. Compatibility with the Material to be Pumped This is one feature that cannot be compromised. Chemicals can be very sensitive materials, and in most cases they can be highly corrosive. Take for example in wastewater treatment that involves the use of caustic soda. The chemical can easily corrode, and have an adverse effect on plastics and metals. So it is essential you get a chemical metering pump that is built with the...