Is it okay to use buried gas pipes in the substation?
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Due to spatial constraints, the gas pipeline needs to pass through 35KV and 6KV distribution rooms; is it feasible to bury it? Are there any such regulations?
Yes, seamless steel pipes should be buried at a sufficient depth; the welds must undergo 100% non-destructive testing. They should extend a sufficient distance on both sides, with leak detection measures in place at both ends