Dual Plate Check Valve
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- API 594
- PN10, PN16
- 2" - 12"
- F - F : -
- Flanges: -
- Testing: API 598
Features & Benefits :
- It is a Non-return Valve (NRV) which is much stronger, lighter and smaller in size compared to swing check valve.
- There are no restriction on direction of installation i.e. it can be installed horizontally, vertically & due to spring tension closure it also can be installed for upside down flow.
- Nitrile Rubber Seat lining improves & gives long lasting life.
- More compact and occupies less space due to Wafer-type design.
- Due to spring assisted closure, water hammer effect is almost non-existent.
Material of Construction
| Body | CI, DI |
| Disc | DI, CF8, CF8M, Bronze |
| Stem | SS410, SS304, SS316 |
| Sleeve | EPDM, Nitrile, Silicon, Viton |
| Test | PN 10 | PN 16 |
|---|---|---|
| Max. Working Pressure in bar (psi) | 10 (145) | 16 (230) |
| Hydrostatic Shell in bar (psi) | 15 (220) | 24 (350) |
| Hydrostatic Seat in bar (psi) | 11 (160) | 17.6 (255) |