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客车lng排气阀门关门关不上怎么办
更新时间: 2021-02-18 21:28:18  

1、有杂质卡在密封面,杂物沉积在阀门底处或垫在阀瓣与阀座之间;

2、阀杆螺纹生锈,阀门无法转动;

3、阀门密封面被破坏,导致介质出现泄漏;

4、阀杆与阀瓣连接不好,使阀瓣与阀座偏斜不能严密接触,关不上。

关键词: 客车 lng 排气 阀门 关门 怎么办

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