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渣油泵机械密封泄漏状态和失效

time:2014-07-03 09:52:01 author:特种泵阀 click:424

  渣油泵机械密封泄漏状态和失效组件形态
  渣油泵正常切换,启动备用泵时,出现短暂的抽空现象,运行数小时后,密封出现泄漏。泄漏现象为先滴状后线状漏,而且越漏越大,并伴有间断油气外涌。拆卸密封,检查发现:①动环表面有均匀磨损的环纹;②波纹管上有固体颗粒;③动环座防转销移位,防转销处破损缺口。

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