摘要
分析了阀门的选型,总结了带气更换阀门的准备工作,阐述了更换阀门过程的操作方法及注意事项。
The selection of valve model is analyzed, the preparations for replacing valves under pressure are summarized, and the operation procedure and matters needing attention in replacing valves are explained.
出处
《煤气与热力》
2005年第7期62-64,共3页
Gas & Heat
关键词
燃气管道
阀门
带气作业
gas pipeline
valve
operation under pressure
