The DH71X wafer silencing quick closing check valve consists of a valve body, disc, spring, etc. It can be installed horizontally or vertically in the pipeline system to prevent medium backflow. It features a short structure, small size and light weight; the disc closes quickly with low water hammer pressure; the flow path is smooth with low fluid resistance; it operates sensitively and has good sealing performance. Product Performance Specifications Nominal Pressure Test Pressure - Strength Tes