Y-Pattern Kolbenrückschlagventil

forged steel check valve's information: 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 3.Piston with Spring Optional 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.