Check Valves
Check Valves
Wafer check valves are designed as dual plate check valves and single plate check valves with flange, lug and wafer ends. Wafer check valves has light and small size feature. This type of valve is mainly used for water and oil pipelines for non-return function.
Technical Features:
| Service | Oil, Natural gas, Water and Chemical Transmission Pipeline application |
| Design Type | Dual plate/ Single plate |
| Ends | Wafer type, Flange ends, Lug type |
| Size | 2”-36” |
| Design pressure | 150Lb-2500Lb |
| Design temperature | -46-600℃ |
| Main materials | CS/SS/Duplex stainless steel/Bronze/Inconel/Titanium alloy steel |
| Seat sealing type | 13Cr /Stellite |
| Operation | Not applicable |
| Design Standard | API594 |
| Face to face | API594 |
| Ends | RF/RTJ to ASME B16.5/ASME B16.47 |
| Pressure and Temperature Design | ASME B16.34 |
| Test standard | API598 |
| Fire safe | APIF6A |
| Others | NACE MR0175/ISO15156(if applicable) |
