Watson-Marlow unveils newest chemical metering pump

The Watson-Marlow Fluid Technology Group (WMFTG) has launched the Qdos Conveying Wave Technology (CWT) pump which extends the capabilities of peristaltic pump technology and offers longer service life than conventional tube-based designs.
Qdos CWT pumps obtain their peristaltic action by operating a fluid contact factor that provides the identical fundamental function because the tube of a conventional peristaltic pump. As properly as the elimination of vapour locking, the factor delivers steady, dependable efficiency, even with fluctuations in ambient temperature and pressure.
To achieve the peristaltic pumping action, the CWT pump head incorporates an EPDM element rather than a tube, which acts against a PEEK monitor. The resulting fluid contact factor is subjected to very low stress ranges, allowing the Qdos CWT to offer a longer service life.
เครื่องมือที่ใช้ในการวัดความดัน provide high ranges of chemical dosing accuracy in water therapy applications. The pumps introduce chemical compounds, including sodium hypochlorite for post-chlorination cycles, with out the necessity to overdose. The sealed CWT pump head delivers correct, linear and repeatable move and could be very secure because it minimises operator publicity to chemicals.

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