Dual Plate Wafer Check Valve Body Material: Cast Iron, Ductile Iron, Cast Steel, Stainless Steel, Aluminium Bronze Disc: Ductile Iron, Stainless Steel, Aluminium Bronze Spring: Stainless Steel Stem: Stainless Steel Seat: EPDM, NBR, VITON, CF8, CF8M Nominal Diameter: DN50 to DN900 Nominal Pressure: Class 150 to Class 2500 Face to Face Dimension: API 594, ASME […]