plastic swing flap check valve

FREE-VALVE FRH44S Plastic PVDF UPVC Double Flange End Swing Non-Return Check Valve refers to the valve that automatically opens and closes the disc by relying on the force generated by the flow of the medium itself to prevent the medium from backflowing.Plastic swing check valves are swing type and have a plastic disc that swings about a hinge pin or shaft,

FREE-VALVE FRH44S UPVC Plastic Swing Type Check Valve refers to the valve that automatically opens and closes the disc by relying on the force generated by the flow of the medium itself to prevent the medium from backflowing.

FREE-VALVE FRH74X Plastic UPVC PVC Wafer Swing Single Plate Check Valves are installed in the piping system, their main function is to prevent medium from flowing backwards, the valves are swing type ,and comes with a short pattern sandwich type flangeless wafer body conforming to the GB/T12221 face to face dimensions

FREE-VALVE Plastic UPVC Wafer Type Vertical Horizontal Swing Check Valves are installed in the piping system, their main function is to prevent medium from flowing backwards, the valves are swing type ,and comes with a short pattern sandwich type flangeless wafer body conforming to the GB/T12221 face to face dimensions

FREE-VALVE FRH74X UPVC PVC Wafer Swing Check Valves are installed in the piping system, their main function is to prevent medium from flowing backwards, the valves are swing type ,and comes with a short pattern sandwich type flangeless wafer body conforming to the GB/T12221 face to face dimensions