| 摘要 |
<p>PURPOSE:To perform a piping work on the site of the piping construction easily and accurately at piping equipment to spray a fluid such as fire extinguishing liquid, etc. CONSTITUTION:When a relay 1 and respective branching heads 21-28 are connected by branch pipes 11-18 by arranging many branching heads 21-28 which are located apart with different distances from the relay 1 around one relay 1, and certain parts of the branch pipes 11, 13, 15, 17 for the branching heads 21, 23, 25, 27 which are located away from the relay 1 are previously installed on the relay 1 side, and at the construction site for the piping equipment, all the branching heads 21-28 are connected to the relay 1 side using head connecting pipes 41-48 with the same length.</p> |
