Cast Check Valve

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Additional information

Size/Rating

NPS 2~64/Class 150~2500
Body Materials

Alloy Steel, Carbon Steel (WCB), Stainless Steel (CF3M, CF8M), Cryogenic steel, Duplex steel, Low Temperature Steel (LCC), etc
Design Standard

API 6D, ASME B16.34, BS EN 1868
Face to Face

ASME B16.10
End

Butt Welding, Flange
End Dimension

ASME B16.25, ASME B16.5, EN 1092, MSS SP-44/ASME B16.47
Test & Inspection

API 598
Notes

The size of valve flange and butt-welding terminal can be designed according to the customer's requirement.
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Product Details:

Cast check valves are used in industries that include oil, chemistry, pharmaceutical, fertilizer, and power generation to prevent the backward flux of the medium. Class 600~2500 check valve can adopt pressure self-tightening seal structure.

Structural Features

  • Swing type, anti-rotation disc
  • Disc stop device to prevent the disc from being opened too high, thus causing failure to be closed down
  • Solid pin is precisely installed with high intensity to ensure operational performance and service life of the valve
  • Enough strength of the rocker arm to ensure it has enough freedom for the closedown of valve disc
  • Optional hard-alloy steel welded sealing surface, anti-wearing, erosion-proof, abrasion-proof, and long-lived
  • Optional swing or piston-lift disc type

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