Why are metal pipes used for pipelines that transport flammable and explosive gases, while gas extraction pipes in coal mines are made of non-metallic materials...

2021-03-11View Original

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Reply #22021-03-11

Using metal on the ground helps to dissipate static electricity; it’s not clear what happens underground, but metal may corrode easily or generate sparks from collisions

Reply #32021-03-11

Using non-metallic pipes underground might be convenient for piping installation, I guess

Reply #42021-03-11

Lightweight, and does not cause localized stress concentration in the mine shaft due to the weight of the pipes

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Why are metal pipes used for pipelines that transport flammable and explosive gases, while gas extraction pipes in coal mines are made of non-metallic materials...

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