First, the main classification of water pipes
1, galvanized pipe: When you submit the house, the water pipe at home may be of this material, not only can not be buried buried and easy to leak, but also very easy to cause excessive corrosion of heavy metals in the water quality, this water pipe, basically in the water reform Replace it directly.
2. Brass: Compared with traditional good water pipes, it is corrosion-resistant. If you use ordinary pipe fittings for a long time, there will be leakage problems. If the welding process is used, it will be a lot safer, but it is better not to submerge copper in the wall. The price of the pipe is very high, and copper as a strategic reserve metal, so much for civilian use, is really too corrupt.
3, aluminum plastic pipe: once more popular, convenient construction, but its weak electricity is used as a hot water pipe is easy to leak.
4, stainless steel tube: stainless steel tube is a more durable pipe material. However, its price is relatively high, and the construction process requirements are relatively high. Even though its material strength is hard, on-site processing is very difficult. Therefore, the probability of being selected in the renovation project is low.
5, stainless steel composite pipe: Stainless steel composite pipe and aluminum-plastic composite pipe in the structure of similar, to a certain extent, the performance is relatively similar. Also, the construction process is still a problem due to the strength of the steel.
6, PB tube: (1) durability is good, non-toxic and harmless: Because it is a high-density polymer, molecular structure is stable, the service life of up to 50-100 years, and non-toxic harmless, no chemical reaction; ( 2) Good frost-resistance and heat resistance: Under the condition of -20°C, it has good low-temperature impact resistance, and the pipe will not be cracked. After thawing, the pipe can be restored to its original shape and can withstand high temperatures below 100°C.
7, PVC pipe: PVC (polyvinyl chloride) plastic pipe is a modern synthetic material pipe. However, in recent years, the scientific and technological community has discovered that chemical additives that can make PVC more flexible will have a great impact on the kidneys and liver of the human body, leading to cancer, kidney damage, and disruption of the human body's functional reengineering system, affecting development. In general, because its strength can not be applied to the pressure requirements of water pipes, it is rarely used in water pipes. In most cases, PVC pipes are suitable for wire and sewage pipes.
8, PPR pipe: At present the more perfect water pipe, non-toxic, corrosion-resistant, hot melt seamless connection, can be used for hot and cold water pipes, can also be buried. Because PP-R pipe adopts welding technology in construction, it is also commonly known as hot-melt pipe. Because it is non-toxic, light weight, pressure resistance, corrosion resistance, it is becoming a popular material. This material is not only suitable for cold water pipes. It is also suitable for hot water pipes and even pure drinking water pipes.
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