| 摘要 |
PURPOSE:To set a flow water quantity from a plurality of water discharging sections, to be a fixed quantity. CONSTITUTION:In water discharging sections 2 arranged on the different floors and at the different positions of a multi-storied building 1, arbitrary fixed- quantity-water valves 6 are fitted to be selected from the plurality, of the fixed quantity Water valves 6 of the different diameters of respective water channels 5. At a result, a flow water quantity from a plurality of the water discharging sections 2 is kept constant, and excessive water in a quantity more than a necessary quantity is prevented from being discharged. |
