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Forged check valves can be tested in either swing or lift type. They are widely used in the petrochemical field
Design Feature
  • Cover connect with bolt
  • Pressure self sealing
  • Zero leakage for liquid
Design Standard
  • Design: API602 / B16.34 / BS5352
  • Face to face: ASME16.10 / ISO5752
  • Flange end: ASME B16.5
  • Butt-welding end: ASME B16.25
  • Socket welded end: ANSI B16.11
  • Screw end: ANSI B1.20.1
  • Test: API598
Technical Specification
  • Size:≤4”(≤DN100)
  • Class: 800Lb~2500Lb(PN64,PN100,PN160,PN250)
  • Connection: Double flange / Butt weld / Socket welded / Screw
  • Temperature: -60°C to +550°C
  • Application: Oil&gas chemical
Material Option
  • Body: Carbon steel(A105,LF2,) / 
    Stainless steel(F304,F316,F304L,F316L) / 
    Duplex stainless steel(F51,F53) / 
    Inconel alloy(N06600,N06625,N07718)
  • Disc: Carbon steel(A105,LF2,) / 
    Stainless steel(F304,F316,F304L,F316L) / 
    Duplex stainless steel(F51,F53) / 
    Inconel alloy(N06600,N06625,N07718)
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