Body Material: Cast Iron check valve and Cast Steel Check Valve (LF2, A216, WCB, WCC, LCB, LCC, WC6, WC9), Ductile Iron Check Valve, Stainless Steel Check Valve [SS316, SS304, SS316L, SS904L, CF8, CF8M, F304, F316, F31L, F91), DUPLEX AND Super duplex STEEL [ F51, F53,F55 ] Forged Steel A105, A105N, F11, F22, F304, F316, F91], Alloy20, Hastelloy ALBR. Size: 80 Class:150 2500; PN10 PN-450...