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 provides longer service life than conventional tube-based designs.
Qdos CWT pumps obtain their peristaltic motion by working a fluid contact element that gives the identical primary function because the tube of a conventional peristaltic pump. As well because the elimination of vapour locking, the element delivers steady, dependable performance, even with fluctuations in ambient temperature and pressure.
To obtain the peristaltic pumping action, the CWT pump head incorporates an EPDM element quite than a tube, which acts against a PEEK track. The resulting fluid contact element is subjected to very low stress levels, permitting the Qdos CWT to supply an extended service life.
Qdos CWT pumps offer high ranges of chemical dosing accuracy in water treatment applications. เกจวัดแก๊สlpg introduce chemical substances, including sodium hypochlorite for post-chlorination cycles, without the want to overdose. The sealed CWT pump head delivers accurate, linear and repeatable move and could be very safe because it minimises operator exposure to chemicals.
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