["Peço a todos os especialistas sobre o material de vedação para conexões de tubos de hidrog枚o."

2019-08-01View Original

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["Caros especialistas,,有个问题请教一下:GB49628的4.4.4节规定氢气管道连接“禁止使用生料带或其他绝缘材料作为连接密封手段”；而GB5

Reply #22019-08-02

不矛盾。禁止使用绝缘材料作连接，是为了整个管路静电能及时导出，这里是指有替代品导电密封材料（金属垫片）而言的。为了保证安全，一般还要求法兰间使用导线跨接。螺纹连接，要求使用四氟材料密封，因为这样密封效果是最好的。但是还是要做好静电跨接。

Reply #32019-08-02

不矛盾氢气管道是需要有静电跨接的

Reply #42019-08-03

谢谢～就是说管螺纹用聚四氟乙烯没问题，但是必须做好静电跨接，对吧？确实是聚四氟乙烯密封好，之前用的密封胶会漏。

Reply #52019-08-03

谢谢\ud83d\ude4f

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["Peço a todos os especialistas sobre o material de vedação para conexões de tubos de hidrog枚o."

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