Our Product — Check Valve - Wafer type silent check valve
● Standards:
- 1. Design and manufacture:API 594
2. Flange dimensions:ASME B16.1/EN1092.
3. Test and inspection:API 598/EN12266.
4. Size up to 12”:12”.
● Materials
| Part | Material | ASTM Spec. |
| Body | Cast Iron | A126 Class B |
| Ductile Iron | A536 65-45-12 | |
| Disc | Stainless Steel | A351 CF8 |
| Bronze | B62 C83600 | |
| Seat | Stainless Sheel | A35 CF8 |
| Brongze | B62 C83600 | |
| Seat Ring | EPDM / NBR | Commercial |
| Bushing | Bronze | B62 C83600 |
| Spring | Stainless Steel | AISI 304 |
| Size | mm | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 |
| inch | 2 | 2-1/2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | |
| D | 110 | 136 | 152 | 178 | 221 | 248 | 340 | 404 | 415 | 484 | |
| H | 67 | 73 | 80 | 102 | 118 | 140 | 165 | 210 | 286 | 350 | |
