Check Valves Supplier-GNEE
Check valve is to rely on the flow of the medium itself and automatically open and close the valve flap, used to prevent the medium backflow valve, also known as check valve, check valve, backflow valve, and back pressure valve. Check valve belongs to a kind of automatic valve, its main role is to prevent the media backflow, to prevent the pump and drive motor reversal, as well as container media discharge. Check valves can also be used to give which the pressure may rise to more than the system pressure of the auxiliary system to provide supply pipeline.
Sizes:2" – 42"
Pressure Rating:Class 150 to 2500
Materials:Stainless steel, Carbon steel, available upon request
Temperature:-45°C to 204°C/-50°F to 400°F
Seat Material
| Material | Operating Temperature | |
| ℃ | °F | |
| Buna-N | -57 to 12 | -70 to 250 |
| EPDM | -18 t0 135 | 0 to 300 |
| Silicone | -18 to 260 | 0 to 500 |
| 410 SS | -267 to 537 | -450 to 1000 |
| Stellite | -267 to 537 | -450 to 1000 |
| Integral Metal | -267 to 537 | -450 to 1000 |
| 316 SS | -267 to 537 | -450 to 1000 |
| Teflon | -40 to 149 | -40 to 300 |
| Viton | -40 to 204 | -40 to 400 |
Wafer Style Check Valve

Application of Wafer Check Valves:
Gas and liquid piping
Field collection systems
Wellhead Injection Lines
Natural gas export installations
Product tank farms
Chemical Processing
Gas storage caverns
Power Generation
Wafer Lug Type Check Valve

Wafer Style Check Valves Supplier-GNEE Team Show
GNEE Group is a well-known valve supplier in China, 15 years is committed to provide customers with one-stop service, with high quality products and services, GNEE stood firmly in the domestic and overseas markets.GNEE Group all more than 200 employees will continue to progress, GNEE will continue to develop, and look forward to working with you to grow together.

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