| 摘要 |
PROBLEM TO BE SOLVED: To provide gas piping facility capable of reducing cost of safety measures and saving a space when handling flammable gas. SOLUTION: This gas piping facility 10 for supplying flammable gas G to predetermined facility through a gas pipe 11 is provided with a covered pipe 13 covering the gas pipe 11 airtightly and a gas detector 17 connected to the covered pipe 13 to detect gas G that gas between the gas pipe 11 and the covered pipe 13 contains.
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