FLOWSPEC H41X type silent check valve is applicable to water supply and drainage pipeline, which can be mounted horizontally or vertically. H41X type silent check valve disc adopts inlet and outlet two ends central shaft guide, which makes the valve open and close smoothly, and also it adopts spring loading, which makes it can close quickly to eliminate water hammer. H41X type silent check valve sealing is good, so its close has no noise. H41X type silent check valve has many advantages, suck like small volume, light weight, small flow resistance, and wear-resisting and long service life.