Female Thread and Socket Welded Check Valve

Cast Steel and Stainless Steel Check Valve Main parts and materials: Parts name material Body,Bonnet disc A216WCB A352 LCB; A217 WC6; A217 WC9; A217 WC5; A351 CF8 A351 CF8M A351 CF3 A351 CF3M Arm pin A182 F6 A182 F304 A182 F316 A182 F304L A182 F316L Seat ring A105+13Cr;A105+STL;A182 304;A182 316 Disc ring 13Cr;STL;A351 CF8;A351 CF8M Female Thread and Socket Welded Check Valve Standards Design and manufacture Face to face Flange end Inspection ANSI pressure-temp rating BS1868;