Characteristics：

1, Close quickly before pump stop, eliminate the water hammer of the backflow medium, prevent the damage of the system shock.

2, Cam be installed both vertical and horizontal.

3, Valve seat can be resilient material or metal material. It´s optional according to the medium。

4, Small Volume, light weight, need less space.

5, This valve should be install to the outlet side of the pump to prevent the backflow of the medium. This valve is one way flow direction