Check valve is also known as reverse flow valve, check valve, back pressure valve, check valve.This kind of valve is automatically opened and closed by the force generated by the flow of the medium itself in the pipeline, which belongs to an automatic valve.
Ball sewage check valve, using rubber wrapped ball as the valve disc, under the action of the medium, can be rolled up and down on the integrated slide in the valve body, so as to open or close the valve, sealing performance is good, silence-type closure, no water hammer. The valve body adopts the whole flow channel, the flow is large, the resistance is small, the head loss is 50% smaller than the swing type, the horizontal or vertical installation can be used for cold water, hot water, industrial and domestic sewage pipe network,more suitable for submersible sewage pump.