FGR-PVH-012 Pumps, valves and hydraulics
Cast steel swing check valve
A non-return valve whose hinged disc swings open with forward flow and closes against its seat to stop reverse flow.
- Specification confirmed with the OEM before you order
- Warranty and support set out in your quotation
- Freight to your site or port available
Overview
Swing check valves protect pumps and pipework from backflow and are widely used on water, oil, gas and steam lines because of their low pressure drop when fully open. Selection depends on the size and ANSI pressure class, body and trim materials for the medium and temperature, end connections, installation orientation, and the risk of slam on rapid flow reversal.
Typical applications
- Pump discharge non-return protection
- Oil and gas pipelines
- Process plant and utility pipework
- Water transmission lines
Specification
| Type | Swing check, bolted cover, metal seat |
|---|---|
| Size range | 2 in. to 36 in. |
| Pressure class | 150 lb to 2500 lb |
| End connections | Flanged (RF/RTJ) or butt-welded |
| Design and manufacture standards | API 6D, ANSI B16.34, BS 1868 |
| Test and inspection | API 598 |
| Face-to-face and end standards | ANSI B16.10; flanges ANSI B16.5, B16.47 Series A and B; butt-weld ANSI B16.25 |
| Standard materials | Body and cover ASTM A216 WCB; seat ring A105 + 13Cr; disc WCB + 13Cr; hinge pin A182 F6; spiral-wound stainless steel and graphite gasket; cover bolts A193 B7 |
| Optional body materials | WCB, LCB, LCC, WC6, WC9, C5, C12, CF8, CF8M, CF3, CF3M and others |
| Example dimensions (Class 150, 4 in. RF) | Face-to-face 292 mm; weight 42 kg |
| Pressure-temperature rating for a specific build | TBC |
| Cracking (opening) pressure | TBC |
| Which manufacturer produces the valve | TBC |
| Warranty | TBC |
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