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2019-03-10View Original

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在GB16912第8.5.1中规定，工作压力大于0.1MPa的氧气管道，严禁使用闸阀，请问此处的规定指的仅仅是气相管道吗？液氧管道不在此列吗？如果这里不包括液氧管道的话，那这整个8.4、8.5、8.6等章节是否也都不包含液氧？请大神多多指教！

Reply #22019-03-11

“在GB16912第8.5.1中规定，工作压力大于0.1MPa的氧气管道，严禁使用闸阀，”。氧气管道与液氧管道的使用条件一样么？

Reply #32019-03-11

管道内的铁锈、粉尘、焊渣与管道内壁或阀口摩擦产生高温发生燃烧：这种情况与杂质的种类、粒度及气流速度有关，铁粉易与氧气发生燃烧，且粒度越细，燃点越低；气速越快，越易发生燃烧根据闸阀的特点：闸阀不宜用于调节流量及压力，否则，密封面很快磨损，严密性下降。既然闸阀不能通过缓慢开启进行压力调节，那闸阀不适用于氧气管道

Reply #42019-03-11

我是想知道液氧管道能不能用闸阀呢

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