บทความ เกจวัดแรงดัน

Watson-Marlow unveils latest 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 know-how and presents longer service life than traditional tube-based designs.
Qdos CWT pumps achieve their peristaltic action by working a fluid contact component that provides the same basic function as the tube of a traditional peristaltic pump. As well because the elimination of vapour locking, the factor delivers steady, dependable performance, even with fluctuations in ambient temperature and pressure.
To obtain the peristaltic pumping motion, the CWT pump head incorporates an EPDM factor rather than a tube, which acts against a PEEK track. The ensuing fluid contact factor is subjected to very low stress ranges, allowing the Qdos CWT to supply a longer service life.
Qdos CWT pumps offer excessive ranges of chemical dosing accuracy in water treatment functions. The pumps introduce chemical compounds, together with sodium hypochlorite for post-chlorination cycles, without the want to overdose. เกจวัดแรงดันแก๊สlpgรถยนต์ sealed CWT pump head delivers correct, linear and repeatable flow and may be very safe as it minimises operator exposure to chemical compounds.

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