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Cast Steel Swing Check Valves
  • Metal-wrapped flexible graphite gasket for 150LB, metal-wound gasket for 300LB and 600LB, metal gasket for 900LB and above, or 600LB according to customer’s requirement.

  • Robust one-piece construction to withstand the severe shock of check valve service. Hard faced with 13Cr, CoCr alloy, SS 316, or Monel, ground and lapped to a mirror finish.

  • Lifting ring designed for 150LB--6" and above, 300LB& 600LB--4" and above . 900LB and above

Applicable Standard

  • Design Standard
    BS 1868, ASME B16.34, API 6D
  • Design
    BS1868
  • Structure
    bolted bonnet, swing disc
  • Face to Face
    ASME B16.10, API 6D, EN 558, DIN 3202
  • End Flange
    ASME B16.5, ASME B16.47, DIN2501, DIN2533
  • BW Ends
    ASME B16.25, DIN3239
  • Inspection and Test
    API 598, DIN3230

Tech Specs

  • Size Range
    2"-36"(DN50-DN900)
  • Body Materials
    Carbon Steel, Stainless Steel, Alloy Steel, etc.
  • Stem Materials
    410SS, 304SS&17-4PH, ect.
  • End Connection
    RF, BW, RTJ
  • Pressure Rating
    ASME CLASS 150-1500（PN16-PN250)
  • Ball Materials
    Carbon Steel, Stainless Steel, Alloy Steel, etc.
  • Seat Materials
    Overlay 13Cr, Stellite 6, etc.
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