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API/BS ASTM A216- Grade WCB Class 150 Class 300 Cast Steel Swing Check ValveUS$ 10.00 - 100.00MOQ: 50 Pieces -
API A216 WCB/ Carbon Steel/Cast Steel/CF8/stainless Steel Swing Check Valve 150LBUS$ 10.00 - 100.00MOQ: 50 Pieces
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ASTM A216 WCB Stainless Steel Dual Plate Inline Wafer Single Disc Check ValveUS$ 10.00 - 100.00MOQ: 50 Pieces
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BS 5352 Hot Sale Class 800 Carbon Steel A105 Forged Steel Threaded NPT End Swing Check ValveUS$ 10.00 - 100.00MOQ: 50 Pieces
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PN10/PN16 Stainless Steel Single One Way Wafer Type Swing Disc Check ValveUS$ 10.00 - 100.00MOQ: 50 Pieces
The prime functin of a check valve is to protect mechanical equipment in a piping system by preventing reversal of flow by the fluid which means the check valve is an automatic valve with forward flow and close againgst reverse flow. The closure member of swing check valve swings about a hinge, which is which is mounted outside the seat.
Material Specification:
Body & Cover: WCB, LCB, WC1, WC6, WC9, C5, C12, CF3, CF3M, CF8, CF8M, Aluminium Bronze.
Seat Ring: A105, LF2, F304(L), F316(L), F51
Hinge & Disc: WCB, LCB, WC1, WC6, WC9, C5, C12, CF3, CF3M, CF8, CF8M, Aluminium Bronze
Hinge Pin: F6, F304(L), F316(L), Aluminium Bronze
Bolts & Nuts: B7/2H, B8M/8M
Standards:
API 6D, BS1868, ASME B16.34, ASME B16.5, ASME B16.25, ASME B16.10, MSS SP25
| Number | Name | Material |
|---|---|---|
| 1 | Body | WCB welding 13Cr |
| 2 | Disc | WCB welding 13Cr |
| 3 | Hinge | WCB |
| 4 | Nut | 304 SS |
| 5 | Hinge Pin | 304 SS |
| 6 | Nut | 304 SS |
| 7 | Stud | 304 SS |
| 8 | Gasket | 304 SS + Graphite |
| 9 | Bonnet | WCB |
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