Forging Lug Type Dual Plate Swing Check Valve
The check valve Working principle and characteristics: the function of the check valve is to control the one-way flow direction of the medium in the pipeline, so as to prevent the backflow of the medium in the pipeline. The utility model relates to an automatic valve which is automatically opened and closed by the force generated by the flow of the medium itself in the pipeline. It is used in the pipeline system, its main function is to prevent the reverse flow of the medium, to prevent the reverse rotation of the pump and its driving motor, and to discharge the medium in the container. The check valve belongs to the automatic valve class, the opening and closing parts open or close automatically by the force of the flowing medium. Check valve is only used in the pipeline with one-way flow of medium to prevent the return of medium to prevent accidents. It is mainly used in petroleum, chemical, pharmaceutical, chemical fertilizer, electric power and other pipelines.