- 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 optimise the performance of your process.
Developed with optimised 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.

Watson-Marlow pumps
Key products
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Qdos chemical metering pumps
Flow rates to 2,000 ml/min (31.7 USGPH) and pressures up to 7 bar (100 psi).
Pumps - cased pumps
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530 process pumps
Flow rates to 3.5 L/min (55 USGPH) and pressures up to 7 bar (100 psi). Precise 2,200:1 speed control range.
Pumps - cased pumps
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630 process pumps
Flow rates to 18 L/min (4.76 USGPM) and pressures up to 4 bar (60 psi). Precise 2,650:1 speed control range.
Pumps - cased pumps
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730 process pumps
Flow rates to 33 L/min (8.8 USGPM) and pressures up to 2 bar (30 psi). Precise 3,600:1 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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German WWTP achieves 97.5% phosphorus load reduction
A wastewater treatment plant (WWTP) in Germany is taking an innovative approach to chemical...
Case Study
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Qdos metering pumps displace diaphragm models in potable water application
Qdos chemical metering pumps ensures safe drinking water
Case Study
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Qdos pumps used extensively for polymer dosing in wastewater treatment
Chemical Support Systems Ltd (CSS) opts for Qdos pumps from Watson-Marlow Fluid Technology...
Case Study
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Qdos pumps treat hydrodemolition water
Qdos and APEX pumps are providing the processing power behind EcoClear, a treatment system...
Case Study
Related articles
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News
Peristaltic pumps gain improved coverage in WIMES
WMFTS has helped with a revision of the Water Industry Mechanical & Electrical Specifications...
News/Insight
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News
World’s leading pumps with Industrial Ethernet: Ready for smart production
Watson-Marlow’s industry leading range of 530, 630 and 730 peristaltic pumps are now available...
News/Insight
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News
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News
Industry first as chemical pumps meet NSF 61
WMFTS has achieved a significant milestone in acquiring the first NSF/ANSI/CAN 61 accreditation...
News/Insight
Contact a specialist from the Watson-Marlow pumps team
To order a product or ask a question call +44 1326 370 370 or