... , S.S, IRON, DUPLEX etcDual Plate Wafer Check Valves are with Features as below:Wafer Type Design, Dual Plate or Single Disc ... 150, 300, 600, 900, 1500, 2500 End Connections: Flanged or Wafer TypesMaterials: Carbon Steel, Stainless Steel, Duplex, Alloy, Cast Iron and ... available to suit different service conditions Valve for Continuous Casting Machine