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Check Valves

API 6D/BS 1868 Swing Check Valve


Product design and scope
Design standard:BS 1868/API 6D
Length of structure:ASMEB16.10/API 6D 
Flange connecting end:ASME B16.5/ASME B16.47
Butt welding connecting end:ASME B16.25 
Wall thickness:ASME B16.34
Inspection and test:API 598 /API 6D
Pressure and temperature rating:ASME B16.34
Product scope:NPS 2″~NPS 48″,CL150~CL2500
Main body material:WCB、LCB、WCC、WC6、WC9、CF8、CF8M、CF3、CF3M、A890 4A etc.