Classification of pipes
The current decoration of water pipes is mainly divided into: galvanized pipe, UPVC pipe, aluminum plastic pipe, PPR pipe, copper pipe and stainless steel pipe.
Galvanized pipe:
Most of the old houses use galvanized pipes. Now the kind of iron pipes used for gas and heating are also galvanized pipes, and galvanized pipes are used as pipes. After a few years of use, a lot of rust is generated inside the pipes. The outflow of yellow water is not only polluting. Sanitary ware, but also mixed with bacteria that are not smooth on the inner wall, rust causes excessive levels of heavy metals in the water, which seriously endangers the health of the human body. In the 1960s and 1970s, developed countries in the world began to develop new types of pipes and banned galvanized pipes one after another. China's Ministry of Construction and other four ministries also issued a document stating that galvanized pipes have been banned since 2000. At present, galvanized pipes have rarely been used for cold water pipes in new communities, and hot water pipes in some communities use galvanized pipes.
UPVC pipe:
In fact, it is a kind of plastic pipe, and the interface is generally glued. UPVC pipe is not good in antifreeze and heat resistance, so it is difficult to be used as a hot water pipe, because its strength can not be applied to the pressure requirements of the water pipe, Therefore, cold water pipes are rarely used. In most cases, PVC pipes are suitable for wire and sewage pipes. In addition, in recent years, the scientific and technological community has discovered that chemical additives that can make PVC softer have a great impact on the kidneys, liver, and testicles in the human body. This can lead to cancer and kidney damage, as well as damage to the human body's functional reengineering system and affect development. Therefore, it is recommended that you do not buy it.
Aluminum plastic pipe:
Aluminium-plastic composite pipes are one of the more popular pipes on the market. The current market is better known as Rifeng and Kinder. Due to their light weight, durability, and ease of construction, their bendability is more suitable for use in home furnishings. Its main drawback is that when it is used as a hot water pipe, due to the long-term thermal expansion and contraction, the pipe wall may be misaligned and cause leakage.
Many residential communities use aluminum-plastic pipes. In the relatively new concept of decoration in Guangdong and Shanghai, aluminum-plastic pipes have gradually disappeared from the market. Currently, aluminum-plastic pipes are still active in the Beijing market. It is believed that in the near future, the aluminum market in Beijing The tube will also face elimination.
PPR tube:
As a new type of pipe material, PPR pipe has unique advantages. It can be used as cold water pipe or hot water pipe. It is becoming a popularization due to its non-toxicity, light weight, pressure resistance and corrosion resistance. The materials used in the decoration project in Beijing are still relatively small. The PPR pipe is not only suitable for cold water pipes, but also for hot water pipes and even pure drinking water pipes.
The interface of the PPR pipe adopts hot-melt technology. The pipes are completely integrated into one another. Therefore, once the pressure test is passed through the installation, aging leakage will not occur for a long time like the aluminum-plastic pipe, and the PPR pipe will not be fouled. At present, Beijing Some high-end residences and apartments generally use PPR water pipes as cold water pipes and hot water pipes. PPR pipes are said to never foul, never rust, never leak, and green advanced water supply materials.
Copper tube:
Brass tube has the advantages of corrosion resistance, bacteria elimination, etc. It is the superior product in the water pipe. There are two types of copper pipe joints: card sleeve and welding. The card sleeve is the same as the aluminum plastic pipe. There is a problem of aging leakage for a long time, so In Shanghai and other places, most of the users who install copper pipes are welded. The welding is through the welding of oxygen at the interface. This can be the same as the PPR pipe. It never leaks. One of the disadvantages of the copper pipe is that the heat conduction is fast, so it is famous. The hot water pipes produced by Shanghai Sanjing, Baoyang and other copper pipe manufacturers are covered with plastics and foaming agents to prevent heat dissipation. Another disadvantage of copper pipes is that they are expensive, and there are very few residential water supply systems that are copper pipes. I'm afraid it will only be seen in export apartments and high-end villas. If you plan to change the water pipe and think that the copper pipe is good, it is recommended that you use a soldered connection.
stainless steel pipe:
It is a very expensive water pipe. It is difficult to construct and is rarely used. Its performance is similar to that of copper pipes.
I think about the water pipe problem. The house decoration, the best water pipes are in place once, and the wall and ground are broken. It can be very satisfying, but there are problems with the water pipes. One is buried in the wall and it is difficult to repair. The second is If you encounter the owner is not at home, leaking water pipes, I am afraid not only bring your own economic losses and troubles, but also more likely to bring loss and trouble to downstairs households, so you can save some money in the leading, hardware places However, we must not save the water pipe problem.
The current decoration of water pipes is mainly divided into: galvanized pipe, UPVC pipe, aluminum plastic pipe, PPR pipe, copper pipe and stainless steel pipe.
Galvanized pipe:
Most of the old houses use galvanized pipes. Now the kind of iron pipes used for gas and heating are also galvanized pipes, and galvanized pipes are used as pipes. After a few years of use, a lot of rust is generated inside the pipes. The outflow of yellow water is not only polluting. Sanitary ware, but also mixed with bacteria that are not smooth on the inner wall, rust causes excessive levels of heavy metals in the water, which seriously endangers the health of the human body. In the 1960s and 1970s, developed countries in the world began to develop new types of pipes and banned galvanized pipes one after another. China's Ministry of Construction and other four ministries also issued a document stating that galvanized pipes have been banned since 2000. At present, galvanized pipes have rarely been used for cold water pipes in new communities, and hot water pipes in some communities use galvanized pipes.
UPVC pipe:
In fact, it is a kind of plastic pipe, and the interface is generally glued. UPVC pipe is not good in antifreeze and heat resistance, so it is difficult to be used as a hot water pipe, because its strength can not be applied to the pressure requirements of the water pipe, Therefore, cold water pipes are rarely used. In most cases, PVC pipes are suitable for wire and sewage pipes. In addition, in recent years, the scientific and technological community has discovered that chemical additives that can make PVC softer have a great impact on the kidneys, liver, and testicles in the human body. This can lead to cancer and kidney damage, as well as damage to the human body's functional reengineering system and affect development. Therefore, it is recommended that you do not buy it.
Aluminum plastic pipe:
Aluminium-plastic composite pipes are one of the more popular pipes on the market. The current market is better known as Rifeng and Kinder. Due to their light weight, durability, and ease of construction, their bendability is more suitable for use in home furnishings. Its main drawback is that when it is used as a hot water pipe, due to the long-term thermal expansion and contraction, the pipe wall may be misaligned and cause leakage.
Many residential communities use aluminum-plastic pipes. In the relatively new concept of decoration in Guangdong and Shanghai, aluminum-plastic pipes have gradually disappeared from the market. Currently, aluminum-plastic pipes are still active in the Beijing market. It is believed that in the near future, the aluminum market in Beijing The tube will also face elimination.
PPR tube:
As a new type of pipe material, PPR pipe has unique advantages. It can be used as cold water pipe or hot water pipe. It is becoming a popularization due to its non-toxicity, light weight, pressure resistance and corrosion resistance. The materials used in the decoration project in Beijing are still relatively small. The PPR pipe is not only suitable for cold water pipes, but also for hot water pipes and even pure drinking water pipes.
The interface of the PPR pipe adopts hot-melt technology. The pipes are completely integrated into one another. Therefore, once the pressure test is passed through the installation, aging leakage will not occur for a long time like the aluminum-plastic pipe, and the PPR pipe will not be fouled. At present, Beijing Some high-end residences and apartments generally use PPR water pipes as cold water pipes and hot water pipes. PPR pipes are said to never foul, never rust, never leak, and green advanced water supply materials.
Copper tube:
Brass tube has the advantages of corrosion resistance, bacteria elimination, etc. It is the superior product in the water pipe. There are two types of copper pipe joints: card sleeve and welding. The card sleeve is the same as the aluminum plastic pipe. There is a problem of aging leakage for a long time, so In Shanghai and other places, most of the users who install copper pipes are welded. The welding is through the welding of oxygen at the interface. This can be the same as the PPR pipe. It never leaks. One of the disadvantages of the copper pipe is that the heat conduction is fast, so it is famous. The hot water pipes produced by Shanghai Sanjing, Baoyang and other copper pipe manufacturers are covered with plastics and foaming agents to prevent heat dissipation. Another disadvantage of copper pipes is that they are expensive, and there are very few residential water supply systems that are copper pipes. I'm afraid it will only be seen in export apartments and high-end villas. If you plan to change the water pipe and think that the copper pipe is good, it is recommended that you use a soldered connection.
stainless steel pipe:
It is a very expensive water pipe. It is difficult to construct and is rarely used. Its performance is similar to that of copper pipes.
I think about the water pipe problem. The house decoration, the best water pipes are in place once, and the wall and ground are broken. It can be very satisfying, but there are problems with the water pipes. One is buried in the wall and it is difficult to repair. The second is If you encounter the owner is not at home, leaking water pipes, I am afraid not only bring your own economic losses and troubles, but also more likely to bring loss and trouble to downstairs households, so you can save some money in the leading, hardware places However, we must not save the water pipe problem.
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