H41X energy-saving anechoic check valve is suitable for water supply and drainage pipelines, the disc adopts the central shaft guide at both ends of the inlet, flexible opening and closing, and can be installed horizontally or vertically. The disc adopts spring loading, its quick closing can effectively eliminate water hammer, good sealing performance, and no noise in closing. Similar to this anechoic check valve, it has the advantages of small size, light weight, low fluid resistance, fatigue resistance and long life.