Duplex Dual Plate Check Valve

Duplex Dual Plate Check Valve Body: Duplex Stainless Steel( A890/A995 5A CE3MN, A890 1C CD3MCuN, A890/A995 4A CD3MN, A890 1A/A995 3A CD6MN, A890/A995 2A CE8MN, A890/A995 1B CD4MCuN) Disc: Duplex Stainless Steel( A890/A995 5A CE3MN, A890 1C CD3MCuN, A890/A995 4A CD3MN, A890 1A/A995 3A CD6MN, A890/A995 2A CE8MN, A890/A995 1B CD4MCuN) Spring: Stainless Steel Stem: Stainless Steel Seat: EPDM, VITON, NBR Nominal Diameter: DN50 to DN600 Nominal Pressure: Class150 to Class2500, PN16 to PN64 Dimensions