The micro slow closing check valve is used in the water supply and drainage pipeline, and is installed at the pump outlet to prevent the medium counterflow and eliminate the destructive water hammer, and can effectively reduce the valve closing water hammer pressure, which can ensure the safe operation of the pipe network. It has the characteristics of light disc, large opening, remarkable power saving effect, small fluid resistance, novel design of water hammer eliminating mechanism, stable and reliable sealing performance, wear resistance, long service life, smooth operation, no vibration, no noise and so on.

Typical installation diagram