Goole Valve Technology Co.,Ltd
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Structural principle of one-way valve（4）
Structural Principle:
A one-way valve generally consists of a valve body, valve core, spring, etc. The valve body is generally spherical, conical or cylindrical, and the valve core is installed inside the valve body, which can move to a certain extent. The top of the valve core is usually in contact with the valve body and is usually pressurized by a spring. When there is a pressure difference, the valve core separates from the valve body and allows oil to flow forward. When the pressure difference does not exist, the contact between the valve body and valve core will be maintained to prevent oil backflow.
Working Principle:
Compressed air enters from port P, overcomes spring force and friction to open the one-way valve port, and compressed air flows from port P to port A; When there is no compressed air at port P, under the action of spring force and residual air force at port A (chamber), the valve port is in a closed state, making the airflow from A to P unobstructed. A one-way valve should be used in situations where reverse airflow is not allowed, such as when the air compressor is inflating the air tank, a one-way valve should be installed between the air compressor and the air tank. When the air compressor stops working, it can prevent the compressed air in the air tank from flowing back to the air compressor. At the same time, one-way valves can also be used to supply pipelines to auxiliary systems whose pressure may rise above the system pressure.
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