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Watson-Marlow Pumps Help Enpure Treat Water

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Peristaltic pumps from Watson-Marlow Bredel are being used by Enpure to feed samples of filtered clean water onto a turbidimeter and enable continuous turbidity measurement.  

Turbidity measurement helps operators of municipal water treatment plants ensure a high quality of drinking water and also provides continual monitoring to detect the presence of the water-born parasite, cryptosporidium bacteria.  

The peristaltic pumps, selected from Watson-Marlow's range of OEM devices are required to operate 24 hours a day and feed a constant volume of water samples to the turbidity monitors.  

Although Enpure's specialists prefer to rely on gravity to feed these instruments, it is often impossible to mount the turbidimeters at a sufficiently low level. Additionally, the engineers needed to keep the line size to a minimum.  

Steve Cole at Enpure says that it is the peristaltic pumps' ability to deliver a consistent flow rate that makes them ideally suited to this particular application.  

While they simply needed to feed the turbidimeter at a constant flow rate of 1 litre/hour, not all pump technologies were able to operate at the flow rate required. Even centrifugal pumps that can handle large volumes of water are not fit for this application, adds Steve.   

Watson-Marlow's OEM peristaltic pumpheads are easy to integrate into instrumentation and provide reliability, longevity and ease of maintenance.  

The peristaltic pumps provide flow rates ranging from microlitres per minute to hundreds of gallons a minute and are available for 1-32 channels of flow.  

Pumpheads, geared motors, faceplates and speed controllers are all available from Watson-Marlow Bredel in addition to a design consultancy for specialised and bespoke applications.

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