Its characteristics are: (1) spherical compressionvalveseat, it is easy to destroy things crystal stammer, for crystal, stuttering and not clean media occasions.
其特点有：(1)球面压紧阀座时，容易把结晶结巴物破坏，适用于结晶、结巴及不干净介质场合。
2
Because the water pressure in spring assembly and valve body makes the conical compression core and seat seal automatically, the flow channel of valve is closed.