Rubber Disc Check Valve

The seal ring of rubber disc check valve is designed as lean to shorten the closing time and reduce the pressure caused by water hammer. Valve disc is made of acrylonitrile-butadiene rubber and steel plate by pressing under high temperature. The advantages of check valve include wash-out resistance, reliable seal, simple structure and convenient utilization. Rubber disc check valve, consisting of body, bonnet,disc and spring, is mainly used at the exit of pipe in petroleum, chemical engineering and other industries. http://www.xinhaivalve.com/