Check Valves are automatic valves designed to prevent reverse flow in piping systems. They operate without manual intervention and help protect pumps, equipment, and pipelines from backflow and associated damage.
Single Plate & Dual Plate Check Valve
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| Design | One-Piece and Three-Piece Design |
| Size | 25 mm to 2000 mm |
| Pressure Rating | 150#, 300#, 600#, 1500# (Other pressure ratings available upon request) |
| Body Material | CI, WCB, CF8, CF8M, CF3M, Hastelloy C/B (Other material grades available upon request) |
| Type | Single Plate or Dual Plate (Spring Loaded) |
| Special Features | Non-slam design to prevent hammering and ensure smooth operation |
| End Connection | Wafer and Flanged ends, RF as per ANSI B16.5-150# and 300# (Other classes available upon request) |
| Complies To | API 594/API 6D |
| Testing Standard | API 598 |
Lift Type Check Valve
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| Size | 15 mm to 1000 mm |
| Pressure Rating | 150# and 300# (Other pressure ratings available upon request) |
| Body Material | CI, WCB, CF8, CF8M, CF3M, Hastelloy C/B (Other material grades available upon request) |
| Type | Lift Check Valve |
| End Connection | Flanged ends as per ANSI B16.5-150#, 300# (RF, RTJ, TG) (Other classes available upon request) |
| Complies To | API 594/API 6D |
| Testing Standard | API 598 |
Bolted Cover Swing Check Valve
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| Size | 25 mm to 600 mm |
| Pressure Rating | 150#, 300#, 600#, 900#, 1500# (Other pressure ratings available upon request) |
| Body Material | CI, WCB, CF8, CF8M, CF3M, Hastelloy C/B (Other material grades available upon request) |
| Type | Bolted Cover Type Design |
| Special Features | Metal seated construction Suitable for high-pressure and high-temperature applications Non-return (check valve functionality) |
| Operation Type | Manual (Hand Lever) |
| End Connection | Flanged ends as per ANSI B16.5-150#, 300# (RF, RTJ, TG) (Other classes available upon request) |
| Complies To | BS 1868 |
| Testing Standard | API 598 |
Ball Type Check Valve
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| Size | 25 mm to 600 mm |
| Pressure Rating | PN10, PN16, PN25 (Others are available on request) |
| Body Material | DI, SGI, WCB, CF8, CF8M (Others are available on request) |
| Ball | Nitrile Reinforced, Neoprene, EPDM |
| End Connection | Flanged |
| Complies To | BS 1868/API 6D |
| Testing Standard | API 598 |
Disk Type Check Valve
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| Size | 15 mm to 150 mm |
| Pressure Rating | 150# |
| Body | CF8, CF8M, CF3 & CF3M (Others are available on request) |
| Disc | SS304, SS316, SS316L, Alloy 20, Duplex, Super Duplex (Others are available on request) |
| Spring | SS304, SS316, SS316L (Others are available on request) |
| Seat | Metal to Metal (leakage class IV), PTFE (zero – Leakage, class VI) |
| End Connection | Wafer Type, Flanged |
| Inspection and Testing Standard | API 598 |
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