| Media: | Water Oil Steam |
|---|---|
| Temperature: | Ordinary Temperature |
| Material: | Stainless Steel |
| Connection Form: | Wafer |
| Structure: | Swing |
| Pressure: | Ordinary Pressure |
| Customization: |
|---|
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Check valve opening and closing parts by the medium flow and force to open or close, to prevent the medium back flow valve called check valve. Check valve belongs to the automatic valve class, mainly used for medium one-way flow on the pipeline, only allow medium to flow in one direction, to prevent accidents.
Check valve according to the structure, can be divided into lift check valve, swing check valve and butterfly check valve three kinds. Lifting check valve can be divided into vertical and horizontal two kinds. Swing check valve is divided into single, double and multi - disc type three. Butterfly check valve is straight-through, the above several check valves in connection form can be divided into threaded connection, flange connection and welding three. Check valves are valves that automatically stop the flow of fluid from flowing back. The disc of the check valve opens under the action of fluid pressure, and the fluid flows from the inlet side to the outlet side. When the inlet side pressure is lower than the outlet side, the disc in the fluid pressure difference, gravity and other factors under the action of automatic closure to prevent the fluid flow back.
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