... -1, API 609Top flangeISO 5211BodyDuctile iron,Stainless steel,WCBDiscDuctile iron,CF8,CF8M,C95400Stem416,420,431,316SeatNBR,EPDMSuitale mediumSewage, Sea water, Air ... valveSize:2"-32" or DN50-DN800Pressure: Class150-1500LBMaterial:WCB,LCB,CF8,CF8M,CF3,CF3M, A105,LF2,F304,F316,F304L,F316LDesign & Manufacture Std ...