HEADER FOR DRAINAGE PIPING, AND WATER SUPPLY LINE SYSTEM, USING THE SAME, FOR USE IN HOUSE IN COLD DISTRICT

摘要

PROBLEM TO BE SOLVED: To provide a header for drainage piping, and a water supply line system, using the header, for use in a house in a cold district, which enable drainage without the back flow of air into a branch pipe even when faucets are opened one by one. ;SOLUTION: The header for the drainage piping is composed of a header body and the branch pipe connected to the header body; and a plate, which is provided with a mesh screen of 5-30 meshes or a hole of a size of 1-7 mm, is arranged inside a pipe formed by extending the branch pipe. In the water supply line system, using the header, for use in the house in the cold district, the header is arranged below a top surface of a concrete slab on grade; the branch pipes, which are connected to the header, are run on the concrete slab on grade, and connected to corresponding water-section facilities, respectively; and a residual-water discharging mechanism, which discharges water in a position as high as/lower than an arrangement position of the header, is connected to the header.;COPYRIGHT: (C)2003,JPO