系统吹扫是保证管道内部清洁最重要的手段。
It is the most important means to keep the inner part of piping clean.
管道系统压力试验之后，气体泄漏性试验之前，应进行系统吹扫。
Once the piping system passes the pressure test, sweeping shall be carried out prior to the gas leakage test.
吹扫压力不得超过容器和管道系统的设计压力容器和管道系统的设计压力。
The pressure of sweeping shall not exceed the design pressure of the container or the piping system.
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