Enpure turns to peristaltic pumps enable turbidity measurement

Birmingham, UK - Enpure, a Birmingham-based process engineering company, is using peristaltic pumps in its water treatment technology to enable continuous turbidity measurement.

Integrated into large-scale water treatment systems at municipal water processing plants across the UK, the pumps are being used by engineers at to feed samples of filtered clean water onto a turbidimeter.

The Watson-Marlow pumps 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 simply on gravity to feed these instruments, it is often impossible to mount the turbidimeters at a sufficiently low level. Coupled with this, is the need the need for Enpure’s engineers to keep the line size to a minimum.

According to Steve Cole at Enpure, the peristaltic pump’s ability to deliver a consistent flow rate makes it particularly suitable for the application. “Not all pump technologies are able to operate at the flow rate we require. We simply need to feed the turbidimeter at a constant flow rate of 1litre/hour and the peristaltic pump does exactly what we need it to. A centrifugal pump, for example, would be fine for large volumes of water, but it’s not fit for purpose here.”