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如何对闸阀进行检修?工艺方法是什么?

发布时间:2019-11-29 15:48     来源:行业新闻

闸阀的阀体内有一平板阀头与流体流动方向垂直,通过加于闸板两侧的压力差把闸板压向阀座的一侧,而起到截断流体的作用,平板阀头升起时阀即开启。清扫全部零件;检查阀体和阀盖有无裂纹、缩孔、夹渣及冲刷腐蚀等缺陷。检查阀座和闸板的密封面是否光滑,有无裂纹、坑点及冲蚀沟痕。并应用研磨工具对阀座和闸板的密封面分别进行研磨,研磨后,需用红丹粉检查两密封面的接触情况。 

闸阀

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