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截止阀系列

 

截止阀剖面图 Sectional Drawing of Stop Valve

 

 

截止阀是指关闭件(阀瓣)沿阀座中心线移动的阀门。根据阀瓣的这种形动形式,阀座通口的变化就是与阀瓣行程成正比例关系。由于该类阀门的阀杆开启或关闭行程相对较短,而且具有非常可靠的切断功能,又由于阀座通口的变化与阀瓣的行程成正比例关系,非常适合于对流量的调节。因此,这种类型的阀门非常适合作为切断或调节以及节流使用。
Stop valve is a valve with the flap moving along with the centre-axis of valve seat when it works. The diametre of seat turns bigger when flap moves higher and smaller when flap lower. The valve is especially suitable for controlling the flow for it's short distance of moving, quickly and reliable stop function and it's working principle. This type of valve is suitable for stopping, controlling and regulating the supply of flow.

 

优点:
1、开启和关闭过程中,由于阀瓣于阀体密封面间的摩擦力比闸阀小,
      因而耐磨。
2、开启高度一般仅为阀座通道直径的1/4~1/3。
3、通常只有一个密封面,制造工艺好,便于维修。

Advantages:
1.With better wear resistance for smaller friction between
   the flap and sealing surface during valve open and shut-off.
2.The open height is only about 1/4 to 1/3 of the distance
    of the valve seat when valve opened.
3.Usually with only one sealing surface to ensure good
    manufacturing technology and easy for maintenance.