Measures to prevent gas accumulation in pit areas
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For the control valves on propylene medium pipelines, due to the large size of the actuators, it is necessary to dig a pit that is 2 meters long, 2 meters wide, and half a meter deep beneath the actuators. But this can easily lead to the accumulation of propylene in those pits, creating a hazard. I was wondering if there are any simple ways to prevent the buildup of gas that experts might know.
It’s sufficient to blow through it with an air hose regularly.