Plastic Diaphragm Valves

UPVC DIAPHRAGM VALVE FLANGED PTFE membrane ultrapure applications

Our plastic diaphragm valves includes manual, pneumatic and electric units in various sizes and for different pressure ranges, assuring the right valve for any application. Designed to provide precise throttling control and shut-off for industrial, chemical and water treatment applications.

Weir type design diaphragm valve eliminates entrapped fluids in valve and is ideal for conveying liquids with suspended solids, harsh or abrasive fluids and slurries.

Available in uPVC, CPVC and Glass Filled Polypropylene with a variety of Diaphragm material options, with Flanged Body, Spigot Body or True Union style Socket & Thread ends.

DNDN15 – DN300

Water | Wastewater | Raw Water | Sea Water | Chemicals


Controlling pure and ultra pure liquids | High viscosity and solid content | Chemical dosing | Water treatment

  • Reliable for regulating neutral, aggressive, gaseous and liquid media
  • Contact-free with the medium
  • Reliable and durable
  • Flexible sealing element
  • Optional position indicator
  • Choice of high grade, abrasion resistant EPDM, FKM, or elastomer backed PTFE diaphragm
  • Spigot, flanged, or true union socket/threaded & SR threaded ends

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