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 Unit: mm Class150 DN L D D3 D2 50 60 103 51 58 65 67 122 65 73 80 73 135 80 88 100 73 173 102 108 125 86 195 127 132 150 98 220 152 160 200 127 277 203 210 250 146 337 254 265 300 181 407 305 310 350 184 448 350 355 400 191 512 400 405 450 203 547 450 455 500 219 604 500 505 600 222 715 600 605