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| Update Time：2010.09.25 Views： | |||
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1, the user should be selected strictly in accordance with the design requirements of PP-R pipe, tube and pipe nominal diameter dn series of S values. Pipe red and blue marking line is for the construction process piping systems for easy identification, not distinguish between hot and cold water pipes in the logo. 2, PP-R pipe system is installed, use must be strictly comply with national standards GB/T18742-2002 and PP-R Kan Road, building water supply system construction specification requirements. 3, PP-R pipes, pipe fittings should be connected with hot-melt method, pipes and fittings are not allowed in the set directly on the wire. With metal pipes and water connection must be used with metal inserts the tube. 4, cut off the pipe must be cut vertical tube cutter, cut off the head after the cut should be cleaned. 5, welding construction of the technical specifications should be required to operate, and plug in the heating process should not arbitrarily turn the pipe, tube, pipe and fittings to allow welding in a few seconds after the minor adjustment joint position. Normal welded weld joint surface should have a uniform circle. 6, when used as a household water heater outlet pipe when the transition should be less than 80cm metal pipe, PP-R pipe should be Concealed, the choice of S2.5 series of pipes and pipe fittings. 7, connecting pipe should be hot-melt pressure test, pressure test time should be conducted after 24h. 8, the water supply pipeline system in the acceptance, should be washed with water. After drinking water system by flushing pipes should also be disinfected. 9, PP-R water supply polypropylene pipeline not be used as climbing pull, hangers and other use. 10, carrying pipes and fittings should be handled with care to avoid oil, non-violent impact, with sharp objects to touch and throw, throw, roll, drag. 11, pipe and fittings should be stored in well-ventilated within the Treasury or Jianyi Peng, no open storage, to prevent direct sunlight and near heat sources. 12, the pipe should be stacked in a flat on the ground level, should avoid bending pipe, height should not be stacked too high, layer by layer stacking tube should be, not stacking too high. |
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