| 摘要 |
PROBLEM TO BE SOLVED: To provide a fluid feeding system for an exhibition hall capable of proportionally distributing the use of fluid for the exhibition hall to be installed temporarily by feeding the fluid rationally by simple constitution. SOLUTION: In the fluid feeding system for the exhibition hall 1, a main pressure pipe 8 is connected to a fluid feeding device 6 for discharging the fluid, plural branch pipes 9 are connected to the pipe 8, equipments 4 for demonstration installed in respective booths 2 in the exhibition hall 1 are connected to the pipes 9, and the fluid is fed to the respective equipments 4 from the device 6 through the pipes 8 and 9 so as to make live performance operation characteristic to these equipments 4. Valves 10, which are required for allowing the equipments to make the live performance operation and having diameters differentiated stepwise in accordance with the difference of the pressure of the fluid, are provided at the respective pipes 9.
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