Valve body: ball valve body, butterfly valve body, check valve body etc Material: Stainless steel, duplex, nickel alloys, etc. Butterfly valve body1. Meterial: stainless steel 316L, ... (CF8, CF3, CF8M, CF3M etc.), dual phase steel, alloy cast steel, stainless steel (LCA, LCB, LCC, CA6NM etc.), nickel ... titanium alloy, Hastelloy, Monel alloy, cobalt-base alloy, and Iron-base alloy. Butterfly Valve Body