CLASS 600~2500 PRESSURE SEAL SWING CHECK VALVE

pressure sealing cover,swing type disc
Threaded or welded seat ring
ASTM A216 WCB,A217 Wc6,A351 Cf8,A351 CF8M,
A351 Cf3,A351 CF3M,A351 CN7M
 

Standards compliance

Design and Manufacture: ANSI B16.34,API 6D,BS1868
Face to face(end to end): ANSIB16.10,API 6D
Flanged connection: 2"~24" to ANSI B16.5
Butt welded end: ANSI B16.25
Test and inspection: API 598,API 6D