The Role of the Check Valve

3.The role of the check valve
It can prevent the medium from flowing backwards
2. It can prevent the pump and motor from reversing in advance
3. It can prevent the release of the container medium. Check valve refers to a valve whose opening and closing parts are circular discs and rely on its own weight and medium pressure to generate actions to block the back flow of the medium. It can be mainly divided into swing check valves, lift check valves, Disc check valve, pipeline check valve, compression check valve, etc.
Precautions for check valve installation
1. In order to avoid the backflow of the medium in the pipeline, it is necessary to install a check valve for both equipment and pipelines.
2. Check valves are mostly used for clean media, not for media with solid particles or high viscosity.
3. Compared with the lift type and the swing type, the lift type has better airtightness and greater resistance to fluids. Therefore, the straight type must be installed on the horizontal pipe, and the vertical type must be installed on the vertical pipe. .
4. If it is a straight-through type, there is not much limitation in the installation, whether it is a horizontal pipe or a vertical pipe can be installed.
5. If it is a swing type, it is not too limited in installation, whether it is horizontal, vertical, or inclined pipes can be installed, but when installed on a vertical pipe, the flow direction of the medium must be kept from bottom to top.