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Check Valve
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- Product Description
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A check valve is a type of valve used to prevent fluid backflow. It is usually installed in pipeline systems to ensure that fluid can only flow in one direction, avoiding equipment damage or system failure caused by backflow.
The working principle of check valves is usually based on the pressure difference of the fluid. When the fluid flows in the predetermined direction, the valve disc will open due to pressure; When the fluid attempts to flow in the opposite direction, the valve disc will close under the action of gravity or spring, thereby preventing the fluid from flowing back.
Common types of check valves include
1. Lift check valve: The valve disc lifts vertically and is suitable for high flow systems.
2. Swing check valve: The valve disc rotates around a fixed axis and is suitable for situations with low fluid flow rates.
3. Ball check valve: using a ball as the valve disc, usually used for small-diameter pipelines.
Check valves are widely used in water treatment, petrochemicals, HVAC and other fields, and are important components to ensure the safe and stable operation of systems.
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Taocheng District, Hengshui, Hebei Province, China