1, insulation of cold water pipeline can prevent condensation on the outer wall of the pipeline when taking cold water.
2. Sound insulation can greatly reduce the sound of water flow.
3. It can slow down the appearance aging of the pipeline.
PPR hot water pipe does not need heat preservation, and the wall of PPR hot water pipe itself is relatively thick and the exposed pipe is not long, so it is often used. It can be seen that the heat loss is not prominent.
Extended data:
In addition to light weight, corrosion resistance, no scaling and long service life, PP-R pipe also has the following main characteristics:
1, non-toxic and hygienic. The raw material molecules of PP-R are only carbon and hydrogen, and there are no harmful and toxic elements. Sanitary and reliable, it can be used not only for cold and hot water pipelines, but also for pure drinking water systems.
2, heat preservation and energy saving. The thermal conductivity of PP-R pipe is 0.2 1w/mk, which is only 1/200 of that of steel pipe.
3. Good heat resistance. The Vicat softening temperature of PP-R pipe is 13 1.5℃. The highest working temperature can reach 95℃, which meets the requirements of hot water system in building water supply and drainage code.
4. Long service life. The service life of PP-R pipe can reach more than 50 years under the conditions of working temperature of 70℃ and working pressure of (P.N) 1.0MPa (provided that the pipe must be S3.2 and S2.5 series or above); The service life at normal temperature (20℃) can reach 100 years or more.
5. Convenient installation and reliable connection. PP-R has good weldability, pipes and fittings can be connected by hot melting and electric melting, and the installation is convenient, the joint is reliable, and the joint strength is greater than the pipe itself.
6. Materials can be recycled. After cleaning and crushing, PP-R waste can be recycled to produce pipes and fittings. The amount of recycled materials shall not exceed 10% of the total amount, which will not affect the product quality.
Reference link: Baidu Encyclopedia -PP-R tube