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截止閥爲什麽要低進高出？

返回列表 文章出處：來源：发布日期：2018.05.11 15:00:00 浏覽次數：

截止閥爲什麽要低進高出？

一般中低压的截止閥是低进高出，截断的时候填料不受力，减少泄漏的几率，可以延长使用寿命.

一般＞DNA100的截止閥可以采用高进低出；大口径和高压状态下采用低进高出的话关闭阀门比较困难，二是因为如果再高压大口径状态下采用低进高出，阀杆长期受到水压力容易变形弯曲，影响阀门的安全性和密封性；三是选用高进低处的话对阀杆直径就可以小点，对于厂家和使用者来说也会节约点成本。

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