FREE VALVE FRH44J EPDM NBR Viton Rubber Lined Swing Flapper Check Valve relies on the flow of the medium itself automatically opens and closes the valve disc,which is an automatic valve used to prevent the reverse flow of the medium.
FREE VALVE FRH44J Flange End Rubber Fluorine Polymer Lined Swing Check Valve relies on the flow of the medium itself automatically opens and closes the valve disc,which is an automatic valve used to prevent the reverse flow of the medium.
FREE-VALVE rubber lined swing check valves are designed to prevent the reverse flow of medium automatically,the valve disc automatically opens under the action of fluid pressure, and the medium flows from the inlet port to the outlet port
