Shanghai Kangquan Valve Co., Ltd.

Rubber disc check valves consist of body, cover and rubber disc. Inside of the rubber disc issteel plate, steel bar and reinforced nylon liner and the outside is rubber and the disc lifeis more than one million open-close cycles. The valves is designed with unimpeded bore, sothe pressure loss is very little and no sundries pile up in the body and it is easy to maintain thiskind of valves. The valves is used for feeding system and installed at the outlet of the pump toprevent the fluid flowing backward and water hammering. Also it can be installed at the inlet ofinlet/outlet's bypass pipe to prevent the water in the cistern flowing backward into the pipe.