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针对天然气管道RMG自力式调压阀调试和使用过程中监控调压阀多次出现皮膜破损的情况,对RMG调压橇开展针对性研究,发现皮膜破损大多是调试和使用方法不正确造成的。介绍了RMG自力式调压阀的工作原理及皮膜破损的判断方法,重点分析了调压橇调试和使用过程中监控调压阀皮膜破损的原因和工况,提出了解决措施和注意事项。
For the natural gas pipeline RMG self-regulating valve in the process of commissioning and monitoring of pressure regulating valve valve membrane damage occurred several times, the RMG regulator carried out targeted research and found that most of the membrane damage is caused by improper debugging and use. The working principle of RMG self-operated pressure regulating valve and the judging method of membrane damage are introduced. The reason and working condition of membrane damage of pressure regulating valve during the process of commissioning and using of pressure regulating bobbin are analyzed emphatically. The countermeasures and precautions are put forward.