What are the water pipes?
First, the metal tube
1. Galvanized pipe: This kind of water pipe is easy to produce rust in the pipe. The water flowing out not only pollutes the sanitary ware, breeds bacteria, but also has high content of metal substances in the water, which is harmful to human health. Now it is a national ban on drinking water pipes. .
2, copper pipe: more traditional water pipes, corrosion resistance, if the use of ordinary pipe fittings for a long time will also have leakage problems, if the welding process will be much safer, but it is best not to bury the wall, copper The price of the pipe is very high, and copper is a strategic reserve metal. Such a large amount of it is used for civilian use. It is too corrupt.
3, stainless steel tube: stainless steel material has excellent corrosion resistance, hygienic, no rust, no scaling, no dialysis, foreign matter, good self-cleaning, long service life, environmental protection, 100% recycling, will not cause water quality Secondary pollution is one of the best pipeline transportation materials for human reality. The probability of replacing other materials in the future is very high.
Second, the composite pipe
1. Aluminum-plastic pipe: It has been popular, easy to construct, has good insulation performance, and the inner and outer walls are not easy to corrode, but it should not be buried in the ground. The card joint is easy to leak.
2, copper-plastic pipe: similar to aluminum-plastic pipe, generally about 3 meters long, but more joints, easy to form patina.
3. Steel-plastic pipe: Steel-plastic pipe is an upgraded product of traditional galvanized pipe. It is hygienic, non-toxic, non-fouling, corrosion-resistant, smooth pipe wall and long service life.
Third, the plastic tube
1, UPVC pipe: the interface is generally glued, anti-freezing and heat resistance are not good, so cold and hot water pipes are rarely used, PVC pipe is suitable for wire and sewage pipes.
2, PPR pipe: the current perfect water pipe, non-toxic, corrosion-resistant, hot-melt seamless connection, can be used for hot and cold water pipes, but also can be buried, but difficult to install, easy to leak.
3. PE-RT tube: This type of water pipe has very good heat resistance and can be used for all the use levels of hot water pipes specified in ISO10508, and is often used as a hot water pipe.
4, PPH pipe: This pipe is often used to make sewage pipes, waste pipes, rain pipes, but the welding method is used as much as possible.
5, PEX tube: This tube has good pressure resistance, wide temperature range, acid and alkali corrosion resistance, can be used to transport chemical substances, no scaling, easy installation, long service life, the biggest disadvantage is that it can not be welded, so no Suitable for heating applications.
Editor in charge: Wang Zhen
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