Some room Water supply pipe Technical disclosure of road installation
Material requirements: 1. The specifications of water supply pipes and pipe fittings shall meet the design pressure requirements, the pipe wall thickness shall be uniform, the inside and outside shall be smooth and tidy, and there shall be no cracks and burrs; Pipes and pipe fittings shall have factory certificates. 2. The specifications of the water meter shall meet the design requirements and be confirmed by the water supply company. The watch case shall be cast regularly without sand holes and cracks, the glass cover shall be free of damage, the lead seal shall be complete, and the factory certificate shall be provided. 3. The specification and model of the valve shall meet the design requirements. The valve body shall be cast regularly, with smooth surface, no crack, flexible opening and closing, tight closing, intact packing seal without leakage, intact hand wheel without damage, and factory certificate.