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Address:No.28 Liaohe Road Economic Development Zone, Liaocheng, Shangdong, China

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Pressure Relief Unit

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Pressure Relief Check Valve

Pressure Relief Check Valve

The check valve in the pressure relief plays a very important role, starting from the function of the check valve.

Product Details

The check valve in the pressure relief plays a very important role, starting from the function of the check valve.

Check valve is also called check valve or check valve. Used in hydraulic systems to prevent reverse flow of oil flow, or for use in pneumatic systems to prevent reverse flow of compressed gas.

One-way valve with straight and right angle two. The straight-through check valve is mounted on the pipe with a threaded connection. Right angle check valve with threaded connection, plate connection and flange connection in three forms. The hydraulic check valve is also known as a latch valve or a check valve, which is the same as a one-way valve to prevent reverse flow of the oil. But in the hydraulic circuit in the reverse flow of oil flow can also use the control of oil pressure, open the one-way valve, so that oil flow in both directions can flow. The hydraulic control check valve adopts the conical spool, so the sealing performance is good. In the request of closed oil, the valve can be used as a one-way lock of the oil from the holding effect. Hydraulic control check valve to control the oil leakage method has two kinds of internal and discharge type. In the oil flow reverse the export of the back pressure of the oil can be used in the open type; otherwise need to use the type of leakage to reduce the control oil pressure.

When installing the check valve, pay special attention to the flow direction of the medium, so that the normal flow direction of the medium should be consistent with the direction of the arrow on the valve body. Otherwise, the normal flow of the medium will be cut off. The bottom valve should be installed at the bottom of the pump suction line.

When the check valve is closed, it will cause water hammer pressure in the pipeline, which can cause damage to the valve, pipe or equipment, especially for large mouth or high pressure piping. Therefore, it should cause the attention of the selector The

Check valve is only used to prevent all types of piping or equipment on the fluid medium counter-current one-way opening and closing valve


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