Copper pipes are durable
Copper is chemically stable, combining cold, heat, pressure, corrosion and fire resistance (copper has a melting point of up to 1083 degrees Celsius) and can be used for a long time in different environments. The service life of copper pipes can be as long as the life of buildings, or even longer, for example, the copper plumbing installed in Peking Union Medical College Hospital in the 20s of the last century is still performing well after more than 70 years. It can be seen that copper pipes are pipes that have been fully tested by more than 100 years of time and practical experience.
Copper pipes are safe and reliable
Copper pipes combine the advantages of metallic and non-metallic pipes. It is harder than plastic pipes, with the high strength of general metals (the strength of cold-drawn copper pipes is comparable to that of steel pipes with the same wall thickness), and it is easier to bend than ordinary metals, with good toughness and high ductility, and has excellent vibration, impact and frost heave resistance.
Copper tubes can withstand extremely cold and hot temperatures, from -196 degrees to 250 degrees in a wide range of applications, and adapt to drastic temperature changes (- high temperature - low temperature - high temperature -), the performance will not be reduced due to long-term use and drastic changes in temperature, and will not produce aging phenomenon. This is beyond the reach of ordinary pipes.
The linear expansion coefficient of copper pipes is very small, which is 1/10 of that of plastic pipes, and can resist fatigue. When the temperature changes, there will be no excessive thermal expansion and contraction, which will lead to stress fatigue rupture.
These characteristics make copper tubes advantageous for applications in cold regions. The temperature difference between morning and evening in severe cold areas is large, and the linear expansion coefficient of ordinary pipes is large and the strength is low, which is easy to produce stress fatigue rupture caused by thermal expansion and cold contraction. Some claim that -20 degrees is not brittle, but in fact, can not withstand the working pressure, and the service life is very short, does not have practical significance, although thermal insulation measures can be used, but it is difficult to avoid low temperature in the process of transportation, storage and installation, and the performance of copper pipe at -183 degrees is the same as at room temperature.
Copper pipe hygiene
Copper pipes do not have various chemical components such as modifiers, additives, and additives for plastic pipes.
Biological studies have shown that E. coli in the water supply can no longer multiply in the copper pipeline, and more than 99% of the bacteria in the water are completely killed after 5 hours after entering the copper pipeline.
The copper tube has a dense structure and is impermeable. Harmful substances such as grease, bacteria, viruses, oxygen and ultraviolet rays cannot pass through it and pollute the water.
In addition, copper pipes do not contain chemical additives and will not burn and release toxic gases that can suffocate people. The recycling of copper is conducive to environmental protection and is a green building material for sustainable development.
