API6d Large-Diameter Cast Steel Flange/Flanged End Swing Check Valve

Basic Info
  • Model NO.: H41

  • Connection Form: RF, Bw, NPT, Sw, Thread, Flange, Welding

  • Flow Direction: Unidirection

  • Application: Industrial Usage, Water Industrial Usage, Industrial Check Valve

  • Face to Face Std: ANSI B16.10

  • Certificate: ISO 9001: 2008

  • Origin: China

  • Material: Carbon Steel, Stainless Steel

  • Structure: Swing

  • Standard: ANSI, DIN

  • Test Standard: API598

  • Size: 2" to 48"


  • HS Code: 8481804090

    Product Description
    API standard Cast steel Check Valve 
    Design description:

    Straight pattern body design, Bolted Bonnet or Pressure seal bonnet, renewable Seat Ring, 
    Horizontal or Vertical Service, Swing type, Anti-rotation disc

    Ends: Flange or Butt Welding
    Body material:  WCB, LCB, CF8, CF8M, CF3, CF3M, WC6, WC9, C5, C12 or Equivalent, Available also in low temperature steels, low alloy steels, stainless steels, duplex type stainless steels and other exotic materials; Various trim materials available to suit service conditions
    Trim material: 1#,5#, 8# etc.
    Pressure Rating:Class 150,Class 300,Class 600,Class 900,Class 1500
    Size range: 2" to 48" 


    Applicable standards:
    Design standard: BS1868/API6D
    Face to face:  ASTM/ANSI B16.10
    Flange ends: ANSI B16.5
    BW ends: ANSI B16.25
    Inspection and test: API 598/API6D

    Pressure-Temp:  ASTM/ANSI B16.34




    ItemPart nameMaterial
    1BodyA216-WCBA352-LCB
    2CoverA216-WCBA352-LCB
    3DiscA105-CR13A350-LF2+CR13
    4HingeA216-WCBA352-LCB
    5Fork PartA216-WCBA352-LCB
    6Seat RingA105+CR13A350-LF2+CR13
    7Hinge PinA276-420A276-420
    8Disc WasherCarbon SteelCarbon Steel
    9Disc NutCarbon SteelCarbon Steel
    10Disc Nut PinCarbon SteelCarbon Steel
    11GasketSS304+Graphite
    12StudA193-B7A320-L7
    13Stud NutA194-2HA194-4
    14EyeboltCarbon SteelCarbon Steel