| 摘要 |
PROBLEM TO BE SOLVED: To provide a fire extinguishing piping installation in which a connected water supply conduit for fire extinguishing doubles as a daily life water pipe, to thereby reduce construction costs of a high-rise building. SOLUTION: According to the system of the fire extinguishing piping installation, each branch pipe 6 branched from a water supply pipe 5 has a pressure reducing valve 61 inserted therein, and the daily life water pipe is formed of a stainless steel pipe, followed by attaching necessary valves etc. to the daily life water pipe. Thus the connected water supply conduit set in the high-rise building can double as a column pipe 3 or the water supply pipe 5. COPYRIGHT: (C)2006,JPO&NCIPI
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