The Working Principle of UPVC Check Valve

In order to prevent the backflow of media, check valves should be installed on equipment, devices, and pipelines. Check valves are generally suitable for clean media and should not be used for media containing solid particles and high viscosity. Different types of check valves have specific installation requirements based on the orientation of the pipeline and the type of fluid being transported.

Key Points:

1. Check valves are essential for preventing media backflow in various industrial applications.

2. Check valves are typically designed for clean media and are not suitable for media with solid particles or high viscosity.

3. Straight-through lift check valves are only suitable for installation in horizontal pipelines.

4. For water pump inlet pipelines, foot valves are recommended and are typically installed on vertical pipelines at the pump inlet with media flowing from bottom to top.

5. Lift check valves provide better sealing compared to swing check valves but have higher fluid resistance. Horizontal valves are ideal for installation in horizontal pipelines, while vertical valves are suitable for installation in vertical pipelines.

Understanding the working principle and installation requirements of UPVC check valves is essential for ensuring efficient and reliable fluid flow in industrial systems. By selecting the appropriate type of check valve based on the specific application and media characteristics, potential issues such as backflow and fluid resistance can be effectively mitigated.

By incorporating these key points and information related to UPVC check valves and their working principles, industrial professionals can make informed decisions when selecting and installing check valves in their systems.


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