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Cause analysis of internal and external leakage of pneumatic cut-off valve
The author: Time:2021/2/5

切断型球阀部分故障主要表现为阀门的内漏和外漏原因分析如下所示:
  1、对于外漏主要表显为动密封点的上端面压盖易漏,阀体的两静密封点也会导致外漏。
  2、阀体内部聚结较多的物料造成阀门开关不到位。
  3、对于内漏主要表显为阀座磨损严重导致的(软密封阀座与全金属阀座两种) ;球体磨损腐蚀严重;球体榫槽及和它相连连接件有无扭曲变形损坏;

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