INTRODUCTION TO THE CLASSIFICATION OF METAL TUBES

Galvanized pipe

As a water pipe, use after a few years, produced a lot of rust in the tube, the outflow of water not only pollute the sanitary ware, and mixed with smooth inner wall corrosion caused by bacteria, heavy metal content in the water is too high, serious harm to human health (the state has been prohibited when drinking water).

copper pipe

The utility model has the advantages of corrosion resistance, bacteria elimination, etc. the utility model is a good product in a water pipe, and the method of the connection of the copper pipe is provided with a clamping sleeve, a connecting mode of the welding and the self locking spring type. Card sets a long time there is the problem of aging water leakage, welding is the use of hot melt process, the two connecting pieces welded to achieve the effect of connection. The connection strength is high, and the welding gas protection on the spot welding interface is difficult to reach the standard, which causes the weld seam to rust easily, and the service life of the pipeline is directly reduced. Self locking reed type is a new type of connection, is one of the most convenient construction methods. The operation is simple and convenient, the construction personnel only need to be familiar with their operation requirements, practice can be mastered. When connecting pipe cut end shall be perpendicular to the pipe axis, the burr inside and outside the incision should be cleaned up, and mark pen need to insert depth in the outer side of the front end and then force the brass, brass insert pipe to pipe end to stop. Low risk of installation, suitable for various installation environments, reusable, environmental protection and energy saving; no leakage, shock proof, thermal expansion and contraction, the use of safe, reliable and durable.

One of the disadvantages of copper tubes is that the heat transfer is fast, so that the hot water pipes produced by the famous copper tube manufacturers are covered with plastic and foaming agent which can prevent the heat from spreading. Another disadvantage is that the price of copper. Welding construction costs are higher, there are few home renovation using welded copper. If you want a more expensive water pipe, and feel that the price can be accepted, it is strongly recommended that you use self locking spring connection. Comprehensive cost is low, and no leakage.

Stainless steel pipe

Stainless steel safety, health, health, durability, eliminating the problem of plastic pipe pollution, the price is much higher than the copper pipe, is the preferred water pipe materials.

Stainless steel material is not only used in medical, food, beverage, petrochemical and tableware, teapots in our home, but also can be implanted in the human body, such as artificial steel skeleton, artificial teeth, etc.. After decades of application proves that the stainless steel material with excellent corrosion resistance, sanitation, no rust, no fouling, not on dialysis body, good self-cleaning performance, long service life, environmental protection, one hundred percent recycling. It will not cause two pollution to water quality, and is one of the most excellent materials for pipeline transportation.

In Europe, Japan from the 70s of last century began to use stainless steel as a water pipe, water supply system has been applied well, has not found adverse effects on the human body. Therefore, the reality of high penetration of stainless steel pipes, Germany reached 70%, Japan reached up to 90%. In China, Beijing, Shanghai, Tianjin, Guangzhou, Shenzhen and other large government construction projects, more than four-star hotels, hospitals, schools are gradually the use of stainless steel pipe. It can be predicted that the stainless steel pipe will become the main force of the urban pipe network, water supply and construction.