Steel -pipe column concrete feeding pump pump line check valve device

The utility model discloses a steel -pipe column concrete feeding pump pump line check valve device, the pump line concrete that relates to building site prevents the backward flow field, its technical scheme includes that fixed connection concrete on the outer wall bottom the steel -pipe column inserts the pipe and inserts with the concrete and manage the non return valve plate of being connectedthrough first ring flange, the non return valve plate is kept away from one side that the concrete inserted the pipe is connected with the pumping line through the second ring flange, the second ringflange with still be provided with the third ring flange between the pumping line, still be provided with the picture peg that to open or to close on the non return valve plate. The utility model hasthe advantages that this check valve device both can guarantee that the concrete passed through smoothly when concreting, pour effectually to prevent the concrete backward flow after the completion,and operation process is sim