... Plant, Hydrocarbon processing FEATURES1. Two & Three Pieces Cast Steel Body2. Trunnion Mounted Ball, Full Bore3. Anti-static ... pipe fittings for petroleum, chemical engineering, metallurgy, light industry, power station, city building, water supply system, oil ... valve material contains carbon steel, brass, stainless steel, heat-resist alloy steel, Monel, low-temperature steel and other special steels ...