check valve 1
2 year ago
Check valve
A check valve is a valve used to control the flow of fluid. It only allows the fluid to flow in one direction and prevents the fluid from flowing in the opposite direction. A check valve usually consists of a body, a valve cover, a spool and a spring.
When the fluid exerts pressure on the flow direction of the check valve, the spool will be pushed away by the pressure, and the fluid can pass through the valve smoothly. When the fluid exerts pressure in the opposite direction, the spool is compressed by the spring, and the valve is closed, preventing the fluid from flowing back.
Check valves are widely used in various fluid systems, such as water treatment systems, petrochemical systems, water supply systems, etc. They prevent fluid backflow and protect the safe operation of equipment and pipelines.
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