... 60" Rating: CL150~CL2500 Materials: C.S, S.S, IRON, DUPLEX etcDual Plate Wafer Check Valves are with Features as ... TypesMaterials: Carbon Steel, Stainless Steel, Duplex, Alloy, Cast Iron and Ductile Iron etc.or Equivalent, Available also in low temperature steels, low ... alloy steels and other exotic materials; Various trim materials ...