API Check Valve

Material:WCB, WCC, LCB, LCC, WC6, WC9, C5, C12, CF8, CF8M, CF3, CF8C, CN7M  
Size rating:NPS2"~48" 
Working pressure:Cass 150L~2500Lb
Medium:Water, oil, gas 
Design STD:API 6D, BS1868, ASME B16.10 
Face to Face STD:API 6D
Flange end STD:ASME B16.5
Inspection and test:API 598, API 6D