บทความ เกจวัดแรงดัน

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 traditional tube-based designs.
Qdos CWT pumps achieve their peristaltic action by operating a fluid contact component that gives the same basic function because the tube of a conventional peristaltic pump. As nicely because the elimination of vapour locking, the component delivers steady, reliable performance, even with fluctuations in ambient temperature and pressure.
To obtain the peristaltic pumping motion, the CWT pump head incorporates an EPDM element somewhat than a tube, which acts against a PEEK observe. The ensuing fluid contact factor is subjected to very low stress levels, permitting the Qdos CWT to offer a longer service life.
เพรสเชอร์เกจดิจิตอล offer high levels of chemical dosing accuracy in water remedy functions. The pumps introduce chemical substances, including sodium hypochlorite for post-chlorination cycles, with out the need to overdose. The sealed CWT pump head delivers accurate, linear and repeatable move and could be very secure because it minimises operator publicity to chemical substances.
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