This nitrogen purge should be routed through both the air line and the acid gas lines.

氮气吹扫应同时包括空气管线和酸气管线路径。

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If a leak develops in a customer system, close the cylinder valve and vent residual product, and purge the lines with inert gas before attempting repairs.

如果在用户的系统里发生了泄露，关闭阀门并排出残余产品。在试图修理之前，用惰性气体净化管道。

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And it must run on diesel five minutes before shutting down to purge the system of grease, which can clog fuel lines, filters and injectors.

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