PP-R cold-hot water supply pipe
A water supply pipe, PP-R technology, applied in the direction of protecting pipes, pipes, rigid pipes through heat insulation, etc., can solve the problems of poor heat preservation effect, freezing and heaving of pipes, and rapid heat dissipation of water pipes, so as to reduce the growth of scale bacteria, Improve the compressive strength and ensure the effect of environmental protection and hygiene
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[0020] The present invention will be further described below in conjunction with examples, but the present invention is not limited to these examples.
[0021] The PP-R cold and hot water supply pipe described in this embodiment is composed of antibacterial layer 1, PP-R inner layer 2, thermal insulation layer 3, reinforcement layer 4, and PP-R outer layer 5 from inside to outside, as attached figure 1 shown. The antibacterial layer 1 is coated on the inner side of the PP-R inner layer 2, which can reduce the growth of scale bacteria and ensure sanitation of water supply. The outer side of the PP-R inner layer 2 is an insulating layer 3 composed of polyurethane tiles, which have better thermal insulation properties.
[0022] Reinforcing layer 4 is made up of inner network layer 4-1, outer network layer 4-2, arc support frame 4-3, inner network layer 4-1, outer network layer 4-2, arc support frame 4-3 are Metal mesh structure. The arc-shaped support frame 4-3 is arranged bet...
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