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What pipe material is suitable for domestic drinking water pipes?

Update:2021-08-05
Abstract: There are too many types of good water pipes in the current building materials market, and the numerous product categories make us wonder which mater...
There are too many types of good water pipes in the current building materials market, and the numerous product categories make us wonder which material is suitable for household drinking water. Galvanized pipe, aluminum plastic pipe, ppr water pipe, copper pipe or stainless steel pipe?

1. Galvanized pipe: I don’t know if you have such an impression? As long as the faucet in the old house is turned on, the water that flows out at first is yellow water, perhaps with rust! So the galvanized pipe was as early as 2000 The use of galvanized pipes has been banned, but in some newly constructed communities, galvanized pipes will still appear in consideration of the later business refurbishment and replacement of water pipes.
2. UPVC pipe: similar to pvc pipe, it can also be said to be a kind of plastic pipe, but its temperature resistance and pressure resistance cannot be used for household water pipes, so it is not very good at using it, plus the popularity of pvc pipes, so It also appeared less on sewage and electrical wiring.
3. Aluminum-plastic pipe: I have to say that the quality of aluminum-plastic pipe is very light, not only durable, but also very convenient for construction. It is still very good to use it as a cold water pipe, but the disadvantage is that it is not heat resistant and used for hot water for a long time. The pipe will deform and cause leakage, and after a long time of use, the interface often has aging and water leakage.
4. PPR pipe: PPR pipe has unique advantages. It can be used as a cold water pipe or a hot water pipe. Because of its non-toxicity, light weight, pressure resistance and corrosion resistance, it has become the mainstream home improvement water pipe. The interface of the PPR pipe adopts hot-melt technology, and the pipes are completely fused together, so once the installation and pressure test pass, there is basically no possibility of water leakage.
5. Copper pipe: Copper pipe has the advantages of corrosion resistance, sterilization, etc., which is a better product in water pipes. There are two ways of connecting copper pipes: ferrule and welding, but ferrule is the same as aluminum-plastic pipe, which has the problem of aging and water leakage for a long time.
6. 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 pipe.
Among the above 6 types of water pipes, galvanized pipes, UPVC pipes, and aluminum-plastic pipes can already be excluded as far as the materials for household drinking water pipes are good. So if you want to say which materials are good for copper pipes, ppr pipes and stainless steel pipes, copper pipes deserve it!
First of all, the rank of copper in the chemical activity ranking is very low, so the performance of copper has long been exceptionally stable and has strong corrosion resistance. In addition, copper has certain strength, plasticity and toughness, and has good low temperature performance. Therefore, the copper water pipe can not only be heat-resistant and fire-resistant, will not be aging, but also has a certain degree of frost-heave resistance. It is said that copper water pipes can have the same life span as buildings and can be used for a long time. However, copper pipes are more expensive. Therefore, although copper water pipes are very good water pipe materials, they cannot be popularized. With the emergence of ppr water pipes, ppr water pipes such as Shangzhi Pipeline can be guaranteed for 50 years, so they have become a good choice for household water pipes.
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