- Water and Wastewater
Peristaltic pump technology
Developed for application requirements, our range of peristaltic pumps offer an industry-leading solution to fluid handling challenges. Leveraging over 60 years of pump engineering experience, we are continuously working to innovate the latest technologies in fluid management.
Backed by a global network of technical and support teams, Watson-Marlow Pumps is an established fluid processing and handling partner. Our portfolio of pumps are scalable, robust and developed to optimize the performance of your process.
Developed with optimized performances in mind our peristaltic pumps deliver accurate and repeatable flow rates. Simplified safety and comprehensive connectivity capabilities help in ensuring operator safety. With no seals, valves, diaphragms or rotors to clog or wear, Watson-Marlow Pumps provide a simple, low-maintenance pumping solution in diverse applications.
Key products
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Qdos chemical metering pumps
Flow rates to 2,000 ml/min (31.7 USGPH) and pressures up to 9 bar (130 psi).
Pumps - cased pumps
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Qdos H-FLO chemical metering pumps
Flow rates to 600 L/h (158.5 USGPH) and pressures up to 7 bar (102 psi).
Pumps - cased pumps
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530 process pumps
Flow rates to 55 GPH and pressures up to 100 psi. Precise 2200:1 speed control range.
Pumps - cased pumps
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630 process pumps
Flow rates to 4.76 GPM and pressures up to 60 psi. Precise 2650:1 speed control range.
Pumps - cased pumps
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730 process pumps
Flow rates to 8.8 GPM and pressures up to 30 psi. Precise 3600:1 speed control range.
Pumps - cased pumps
Product range
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Watson-Marlow cased pumps
Watson-Marlow cased pumps for the Environmental sector
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Close-coupled pumps
Close-coupled pumps with all the pumphead features of our cased drives.
Case studies
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City of El Mirage achieves significant reliability gains with Qdos® chemical metering pumps
Qdos replaces diaphragm pumps to cut chemical costs and boost efficiency at Arizona water...
Case Study
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ExoCell relies on Qdos chemical metering pumps in its modular water treatment systems
ExoCell’s modular water treatment systems featuring Qdos chemical metering pumps are used in the...
Case Study
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French water company benefits from lower maintenance after switching to Qdos
French water treatment plant benefits from lower maintenance since adopting Qdos chemical...
Case Study
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Qdos® pumps have helped China to meet a rising demand for water supply
Qdos pumps have brought efficiencies, reliability and better safety to the water treatment plants
Case Study
Related articles
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Insight
Why simplicity and sustainability are driving pump choices
Discover how peristaltic technology is replacing diaphragm pumps and supporting sustainability...
News/Insight
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Insight
AMP8 Ready: Expert Q&A
How to deliver reliable, sustainable and cost-effective chemical dosing.
News/Insight
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Insight
Optimizing chemical dosing for wastewater treatment
Optimizing chemical dosing in a challenging operating climate
News/Insight
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News
New Qdos H-FLO
Qdos H-FLO chemical metering and dosing pump offers higher flow rates for a wide range of dosing...
News/Insight
Contact a specialist from the Watson-Marlow pumps team
To order a product or ask a question call +1 800 282 8823 or