The silent check valve is mainly composed of valve body, seat, guide body, valve disc, bearing and spring and other main parts. The internal flow path adopts streamlined design, and the pressure loss is minimal. The valve flap opening and closing stroke is very short when the pump stops, it can be quickly closed to prevent huge water hammer sound, and has the characteristics of silent closing. The valve is mainly used for water supply and drainage, fire, HVAC system, can be installed at the pump outlet to prevent backflow and water hammer damage to the pump.

Typical installation diagram