国产激情一区二区三区

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

                   (1)解體,拆除閥罩、拆除壓緊螺母、密封膠墊、取出密封填料壓件。所有解體部件進行清洗。
                   (2)檢修,清洗閥罩達到清潔無油污,清洗閥體達到清潔無油垢,檢查閥體兩側密封應無溝痕;檢查閥片鉚接情況應牢固;檢查閥片密封情況應不透光、不透氣;檢查填料螺紋應無滑扣現象,清洗壓緊螺母達到清潔;檢查螺紋應無損傷,清洗填料壓件達到清潔;檢查壓件應無損壞。
                   (3)回裝,組裝應按解體檢修的相反程序進行,旋緊壓緊螺母使密封填料得到壓縮,達到閥桿與閥體緊密接觸,轉動閥桿,閥片應同步轉動且鉚接牢固,閥桿上的關、閉標志應清晰、正確。

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          国产激情一区二区三区

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