Its characteristics are: (1) spherical compression valve seat, 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。

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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.

因弹簧总成和阀体中水流压力将锥形压芯和锥形压座自动压合密封，阀体水流通道关闭。

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