Butterfly valves help regulate fluids and flow. There are used in multiple industries like: Oil, Sugar Mills, Mining, Pulp and Paper, Water, Wastewater, and more. Diameters: From 1″ to 72″ Body: Ductile Iron, Stainless Steel, Cast Iron, and others Disc: 2205, 316SS, 304SS, and many others Type: Lug, Wafer, Flange