The fluid pressure of a dual plate check valve is almost unimpeded under the condition that fully open, so the pressure through the valve is small. Wafer type dual plate check valve is the commonly used check valves that can be installed in water supply and drainage, petroleum, chemical, metallurgical and other industrial pipelines, suitable for where is space restrictions. The disc may be made entirely of metal or inlaid with leather, rubber or other special materials, that depends on the application requirements.

We are a fully stocked manufacturer and distributor of check valves and we make the valve easy to find for your need. PERFECT provides a complete line of dual plate check valve for sale that is supplied to various industries. Available forms are wafer type and swing check valve. Our dual plate check valve is available from 150 up to 2500 pressure.  We can also accept the OEM design, so whether you need special valves or have a large order to place, we can provide you with the customized service for you. Please review the charts below for available sizes & pressure & material or fill the contact form below.

  • Lifting Bolt Provided for easy installation;
  • Lower operating costs and high inventory flexibility;
  • Increased durability via a one-piece low profile, investment cast body/yoke assembly that results in smooth flow passages;
  • Improved service reliability enabled by a lightweight disk and seal ring constructed of non-cobalt material;
  • PTFE spacers designed to maintain plate alignment.

Dual plate check valves design

Application Non-Return Flow
Design Standard API 6D
F to F Standard ASME B16.10
Testing Standard API 598
End Connection Standard ASME B16.5
  • NPS 1/2 to 2
  • DN 15 to 50
Pressure Class Range:
  • 150 to 1878
  • PN 25 to 325
Ends Flange End, Wafer End
  • Body: WCB, CF8, CF8M, Hast Alloy,  Super Duplex, Alloy 20, LCB, etc
  • Disc: WCB, CF8, CF8M, Hast Alloy, Super Duplex, Alloy 20, LCB, etc
  • Seat: EPDM, Nitrile, PTFE, etc

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