Wafer Dual Plate Check Valve Ductile Iron
Wafer type, soft lined nodular ductile iron or cast steel body, spring tensioned dual check valve with soft sealing.
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Product Parameters
| Design standard: | API 594 |
| Face to Face: | ISO 5752 |
| End standard: | DIN 2501 |
| Size: | DN50-DN700 |
| Pressure rating: | PN16 |
| Media: | Water, sea water,oil |
| Material: | Ductile Iron, Cast Steel |
Product Dimensions
| DN | Inch | øD | øD1 | L | R | T |
| 50 | 2” | 107 | 65 | 43 | 28.8 | 19 |
| 65 | 2 1/2” | 127 | 80 | 46 | 36.1 | 20 |
| 80 | 3” | 142 | 94 | 64 | 43.4 | 28 |
| 100 | 4” | 162 | 117 | 64 | 52.8 | 27 |
| 125 | 5” | 192 | 145 | 70 | 65.7 | 30 |
| 150 | 6” | 218 | 170 | 76 | 78.6 | 31 |
| 200 | 8” | 273 | 224 | 89 | 104.4 | 33 |
| 250 | 10” | 328 | 265 | 114 | 127 | 50 |
| 300 | 12” | 378 | 310 | 114 | 148.3 | 43 |
| 350 | 14” | 438 | 360 | 127 | 173 | 45 |
| 400 | 16” | 489 | 410 | 140 | 198 | 52 |
| 450 | 18” | 539 | 450 | 152 | 217.8 | 58 |
| 500 | 20” | 594 | 505 | 152 | 241 | 58 |
| 600 | 24” | 695 | 624 | 178 | 292 | 73 |
| 700 | 28” | 810 | 720 | 229 | 350 | 98 |
Drawings
Material Specification
| No | Part | Material |
| 1 | Body | GGG40/GGG40.3 |
| 2 | Plate | C95800/C95400 DI/Stainless Steel |
| 3 | Spring | Inconel |
| 4 | Hinge Pin | Monel |
| 5 | Stop Pin | Monel |
| 6 | Plug | Steel |
| 7 | Body Bearing | PTFE |
| 8 | Spring Bearing | PTFE |
| 9 | Body Seat | NBR/EPDM/VITON |
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