Applicable Standard:
1.Design & Manufacture Standard.: BS5352; MSS-SP-118; ASME B16.34;API602
2.Socket Welded End Connection Standard.: conform to ASME B16.11
3.Face to Face Dimension Standard conform to MSS SP-84
4.Test and Inspection: API598,BS6755,JIS B2003,ISO5208,API6D
5. Marking: MSS SP-25
Design Characteristics:
1.Bolted Cover with spiral-wound gasket
2.Piston type Design
2.Piston type Design
3.Piston with Spring Optional
4.Horizontal or Vertical Fluid Control
5.Sock Weld Ends(Socket Weld x Threaded is also available)
4.Horizontal or Vertical Fluid Control
5.Sock Weld Ends(Socket Weld x Threaded is also available)
6.Integral or Renewable Stellite Seat Ring
7.Standard or Full Port
Other type of forged steel piston check valve can be available.7.Standard or Full Port