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, CF3M2. Process ... company include Austenite stainless steel (CF8, CF3, CF8M, CF3M etc.), dual phase steel, alloy cast steel, stainless steel (LCA, LCB, LCC ...