Water and Wastewater

Watson-Marlow Pumps in environmental sector

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

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
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
530 process pumps

Flow rates to 55 GPH and pressures up to 100 psi. Precise 2200:1 speed control range.

Pumps - cased pumps
630 process pumps

Flow rates to 4.76 GPM and pressures up to 60 psi. Precise 2650:1 speed control range.

Pumps - cased pumps
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

Watson-Marlow cased pumps

Watson-Marlow cased pumps for the Environmental sector
Close-coupled pumps

Close-coupled pumps with all the pumphead features of our cased drives.

Case studies

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
Qdos CWT chemical metering pump doses chlorine without fail for over 15,000 hours

Ergon has switched to Qdos CWT for its reliability and longer life to dose chlorine

Case Study
How accurate chlorine dosing makes a difference at Eurial’s dairy

The Qdos CWT dosing pump helps dairy to meet the criteria of gaining the FSSC 22000 certification

Case Study
German WWTP achieves 97.5% phosphorus load reduction

A wastewater treatment plant (WWTP) in Germany is taking an innovative approach to chemical...

Case Study