Bronze Dual Plate Check Valve

Bronze Dual Plate Check Valve 1. Body: Bronze, Aluminium Bronze(C95800, C95500, C95200) 2. Plate: Bronze, Aluminium Bronze(C95800, C95500, C95200) 3. Stop Pin: Bronze, Aluminium Bronze(C95800, C95500, C95200) 4. Back Spring: Inconel 5. Hinge Pin: Bronze, Aluminium Bronze(C95800, C95500, C95200) 6. Eyebolt: Bronze, Aluminium Bronze(C95800, C95500, C95200) Nominal Size: DN50 to DN600 Nominal Pressure: Class150 to Class900 Design and Manufacture Standard: API 6D, API 608, BS5351 Face to Face Dimension: ANSI B16.10, API 6D Flanged End Connection: ANSI B16.5 Buttweld End: ANSI B16.25 Inspection and Test: API 598, API 6D Dimensions Unit: mm Class150 DN L D d D1 50 60 103 51 56 65 67 122 65 73 80 73 135 80 88 100 73 173 102 108 150 98 220 152 160 200 127 277 203 210 250 146 337 254 266 300 181 407 305 310 350 184 448 350 355 400 191 512 400 405 450 203 547 450 455 500 219 604 500 505 600 222 715 600 605