Uploaded on: 2023-10-07 09:55:15
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1、 Domestic water supply system (1). According to the data provided by the municipal department, the indoor domestic water supply of this project is directly supplied by outdoor water supply pipe network, and the water supply pressure shall not be less than 0.25MPa (2) The elevation indicated in the drawings of the indoor water supply system is the elevation of the pipe center. The unit of elevation is m, and the rest is mm (3) The outdoor water supply pipes are made of ductile iron pipes and connected with rubber rings (4) Indoor fire water supply pipe diameter>DN100, welded steel pipe is used for welding; The rest are galvanized steel pipes connected with screw threads (5) The cold and hot water pipes for indoor domestic use are PP-R three type poly

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