DRVZ silent check valve

DRVZ silent check valve is mainly composed of valve body, valve seat, guide body, valve disc, bearing, spring and other main parts. The internal flow passage adopts streamline design, with minimal pressure loss. The opening and closing stroke of the valve disc is very short, which can be quickly closed when the pump is stopped to prevent the huge water hammer sound. It is mainly used in water supply and drainage, fire fighting, heating and ventilation system, and can be installed at the outlet of water pump to prevent backflow and water hammer damage to the pump.