... .I,C.S,S.S Silence Check Valve/Non slam check valve Nozzle Type Check Valve Size: DN50~350, 1.0~2.5Mpa ... .Silence Check Valve/Non slam check valve.Nozzle Type Check ValveProduct introduction Silence check valve consists of valve body, seat, diversion ... . Main technical parameters Nominal pressure: 1.0-2.5MPa Nominal diameter: 50-350mm Service: Water, oils, sea water, sewage Working temperature ...