Manual Plastic Check Valves
Ball Check Valves
True Union Ball Check Valve (1/2"-2") and Single Union Ball Check Valve (3"-4")
The Asahi/America ball check valve employs a free moving ball, which unseats to permit flow in one direction, but seals against a seat to prevent backflow. It may be installed vertically or horizontally. Also available as foot valve for suction side of pump.