Swing Check Valve (Metal – Seated)
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- API 6D / BS 1868
- #150, #300
- 2" - 12"
- F - F : ASME B16.10
- Flanges: ASME B16.5
- Testing: API 598
Features & Benefits :
Body
- Lubi Check Valve Body has a straight full port on the upstream side of the valve.
- On the downstream side, there is ample amount of space given inside the body for the disc to open & swing fully via the pressure of fluid such that it does not disturb or create any resistance & turbulence to the smooth flow.
Cover
- The Cover of Check Valve have a provision for removing air from the top so that no air is left inside the body cavity.
Body / Cover Joint
- The Body-Cover Joint Gasket is made up of Graphite reinforced by SS Ring so that it can handle high pressure & prevent any leakage pass through it.
- The Body – Cover Joint is tightly sealed with the help of standard Studs & Nuts as per the Bolting Calculation to prevent any leakage past the joint under maximum operating pressure for which the valve is designed for.
Disc
- Lubi Check Valve Disc is casted in one piece.
- The disc is designed in such a way that a little bit of free rotational movement is given horizontally as well as vertically so that it properly aligns with the seat & hence a leak proof seal is achieved.
Seat Ring
- Lubi Check Valves come with a seal welded Seat Ring which offer tight leakproof seal without any deformation or loosening at high pressure – temperatures compared to threaded seats. Also, the chance of leakage past the Body & Seat gets eliminated with seal welded seats.
- For Stainless Steel MOC’s we also offer integral Seats which are integral with the Body Casting & are machined to behave as Seats for providing sealing.
Body / Bonnet Materials
| WCB | WC6 | WC9 | CF9 | CF8M | CF3 | CF3M | LCB / LCC |
Trim Options
| 2 | 5 | 8 | 12 | 16 |
| Test | #150 |
|---|---|
| Hydrostatic Shell Test in bar (psi) | 32 (450) |
| Hydrostatic Seat Test in bar (psi) | 22 (325) |
| Hydrostatic Back-Seat Test in bar (psi) | |
| Max. Working Pressure in bar (psi) | 20 (290) |