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Check valve

  • Origin: China
  • Supply Type: oem service
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Supplier Info.

  • Employees Total 51-100
  • Annual Revenue
Swing check valves
Description:

Swing check valve stops the media flowing back and opens by the force of disc. When the inlet pressure is smaller than outlet pressure, disc closes automatically to protect the pump.

Specification:

Nominal Diameter: DN50~DN1000,NPS2~NPS40;

Nominal Pressure: PN16~PN420,CL150-CL1500;

Design Standard: API 6D, API594, BS1868

End Connection: Flanged, butt weld

Body Material: A216 WCB, A217 WC6/WC9, A351 CF8/ CF8M, A352 LCB/LCC,

Seat: metal to metal, 13Cr, HF, Stellite

Working temp: -196℃~620℃.

Wafer type check valves
Description:

Wafer duo plate check valve is used for wafer feed pipes in industrial, environment, water treatment, high-rise buildings, etc. The disc is semi-circle and restores by the loaded spring. Seat ring can be hardfaced or rubber lining.

Specification:

Nominal Diameter: DN50~DN1000,NPS2~NPS40;

Nominal Pressure: PN16~PN100,CL150-CL600;

Design Standard: API 6D, API594, ASME B16.34

End Connection: Flanged, butt weld, wafer type

Body Material: A216 WCB, A217 WC6/WC9, A351 CF8/ CF8M, A352 LCB/LCC,

Seat: rubber seat, PTFE seat, metal to metal, 13Cr, HF, Stellite

Working temp: -196℃~620℃.

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