Swing Check Valve Whith Lever Counter Weight Hydraulic Damping Cylinder
Technical Specification
Normal Size Range: 2"-24"
Normal Pressure Rating: PN10~PN420, CLASS150~2500
Material: WCB,LCB,WC6,CF8,CF8M,CF3,CF3M
Temperature Range: -29~425Degree C
Standards compliance
Design and Manufacture: ANSI B16.34, API6D, BS1868
Face to face(end to end): ANSI B16.10, API6D
Flanged connection: 2"~24" to ANSI B16.5
22", 26"~36 to MSS-SP-44 to API605 on request
Butt welded end: ANSI B16.25
Test and inspection: API598, API6D
Size: 20 Inch.
Pressure Rating: Class 900 LB.
Body/Bonnet: ASTM A216 WCB.
Connect Ends: Flange.
Bolted bonnet (BB) design.
Full port or reduced port design.
Back seal design.
Renewable Seat or welding Seat.
Special request: Locking device (Interlock),Position indicator. Limit Switch.
Extend bonnet for cryogenic & underground Service is available.
Standards
Design and Manufacture: API 6D.
Face to Face: ASME B16.10.
Flanged Ends: ASME B16.5.
Test and Inspection: API 6D / API 598.
