The micro-resistance spherical check valve adopts a rubber-covered ball as the disc. Under the action of the medium, it can roll on the slide in the body to open or close the valve. The flow resistance loss is small, the sealing performance is good, the sound is muffled and closed, and the water shock wave can be reduced. It can be installed horizontally or vertically. Can be used for cold water, hot water, industrial and domestic sewage pipe network pump outlet, to prevent media backflow.

Typical installation diagram