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Disassembly overhaul operation procedure and technological requirement of butterfly valve
The author: Time:2020/12/23

         (1)解体,拆除阀罩、拆除压紧螺母、密封胶垫、取出密封填料压件。所有解体部件进行清洗。
         (2)检修,清洗阀罩达到清洁无油污,清洗阀体达到清洁无油垢,检查阀体两侧密封应无沟痕;检查阀片铆接情况应牢固;检查阀片密封情况应不透光、不透气;检查填料螺纹应无滑扣现象,清洗压紧螺母达到清洁;检查螺纹应无损伤,清洗填料压件达到清洁;检查压件应无损坏。
         (3)回装,组装应按解体检修的相反程序进行,旋紧压紧螺母使密封填料得到压缩,达到阀杆与阀体紧密接触,转动阀杆,阀片应同步转动且铆接牢固,阀杆上的关、闭标志应清晰、正确。

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