The function of the Bronze Wafer Check Valve is to control the one-way flow direction of the valve in the pipeline, so as to prevent the backflow of the medium in the pipeline. The check valve belongs to the automatic valve type, and the opening and closing part is opened or closed by the force of the flowing medium. Check valve is only used for one-way flow of medium pipeline, to prevent media backflow, in order to prevent accidents. It is mainly used in petroleum, chemical, pharmaceutical, fertilizer, power and other pipelines.