- Environmental
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.

Watson-Marlow pumps
Key products
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Qdos chemical metering pumps
Flow rates to 31.7 GPH and pressures up to 100 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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Case Study
Qdos metering pumps displace diaphragm models in potable water application
Qdos chemical metering pumps ensures safe drinking water
Case Study
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Case Study
Qdos pumps used extensively for polymer dosing in wastewater treatment
Chemical Support Systems Ltd (CSS) opts for Qdos pumps from Watson-Marlow Fluid Technology Group...
Case Study
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Case Study
Qdos pump replaces three diaphragm pumps at major water treatment plant
Dosing phosphorous coagulant iron III chloride, the Qdos 30 pump has cut capital equipment costs,...
Case Study
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Case Study
Maintaining strict phosphorus limits at wastewater treatment plant
Qdos peristaltic chemical metering pumps help overcome the repeated blockage of diaphragm pumps...
Case Study
Related articles
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Insight
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News
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News
New technology designed for high pressure low flow applications
Minnesota water treatment facility needed a new pump to feed sodium hypochlorite under high...
News/Insight
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News
Industry first as chemical pumps meet NSF 61
WMFTG 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 +1 800 282 8823 or