What material is a good water pipe to buy? What material is good for water pipes?

When you arrive at the building materials city, you will find that there are many kinds of water pipes, such as PP-R pipes, PVC-U pipes, plastic-lined steel pipes, stainless steel pipes, copper pipes, etc.

Water pipes should be stable and reliable, not leaking, and not bursting.

What we mean by safety and durability means that there will be no water leakage, bursting and other life-threatening and family safety events during the service life of the water pipe, and it can be used for a long time.

This requires water pipes to be corrosion-resistant, high-temperature, freeze-resistant, and have good mechanical properties. It is found that the plastic pipe can not withstand high temperature, and it is easy to deform and cause leakage in the case of large temperature difference, and its compressive capacity is small and easy to brittle, which is destined to be not suitable for long-term heating, not suitable for use in the cold north, and not suitable for high-rise buildings.

Composite pipes combine the advantages of metal and plastic, but it is precisely because of the different expansion coefficients of plastics and metals that long-term use will inevitably lead to delamination of pipes and cause harm.

For copper tubes, we all know that copper has a very low order in the chemically active sequence, stable performance, and strong corrosion resistance. Copper is a material with a certain strength and excellent plasticity and toughness in the metal, and has excellent low-temperature performance, therefore, copper water pipes can not only be heat-resistant and fire-resistant, will not age, but also have certain frost heave resistance. After more than 80 years of vicissitudes, the copper water pipes installed in Beijing in the twenties of the last century still perform well, indicating that the copper water pipes can be durable and have the long-term safety and reliability of the same life as the building.

In addition, copper pipes are robust and have a low rate of thermal expansion, making them particularly suitable for embedding in concrete walls without worrying about wall cracking. However, copper pipes are more expensive.

Copper tubes inhibit the growth of bacteria.

The main components of plastic pipes are some polymers, which have certain toxicity and are relatively easy to penetrate, especially if used in direct drinking water supply systems, which are seriously harmful to the human body. Another example, if you don't use a water pipe for a long time, you suddenly open it and find that it is "yellow" water flowing out, which is very easy to happen in galvanized iron pipes in residential buildings in the past, and such "yellow" water is also harmful to the human body. More than 99% of E. coli and pneumonia bacteria can be destroyed by themselves after 5 hours of entering the copper pipeline, keeping the drinking water clean and hygienic.

PP-R and copper pipes can be buried in walls.

We all know that plastic pipes are extremely convenient to install, but most of the parts connected to them are metal parts, because the mechanical properties of plastic and metal are very different, it is easy to cause bursting or water leakage, so it can generally not be buried in the wall during construction, and can only be laid outside. The PP-R and copper pipes and their fittings are complete in varieties and specifications, and can be selected from 6mm to 250mm. PP-R pipe can be welded seamlessly, and the manufacturer can also be buried in the wall when the manufacturer is responsible for installation, which has the advantage of being cheaper and easier to construct.

The cutting, bending, processing and welding of copper pipes are also simple, and there are various connection forms, including brazing, ferrule, crimping, plugging, flange, groove, etc., which can fully meet the needs of various occasions and situations.

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The choice of water pipe depends on the specific application and needs. Here are a few common water pipe materials and their characteristics::

PVC pipe: Polyvinyl chloride (PVC) pipe is a commonly used water pipe material. It has the advantages of being cheap, corrosion-resistant, easy to install and maintain. PVC pipes are suitable for cold water** high scarcity systems, but for the use of hot water systems, you need to choose a heat-resistant model.

PPR pipe: Polypropylene random copolymer (PPR) pipe is a water pipe material used under high temperature and high pressure. It has excellent heat, pressure and corrosion resistance and is suitable for both cold and hot water systems.

PPR pipes need to be hot-melt connected when they are installed, so professional installers are generally required.

Galvanized steel pipe: Galvanized steel pipe is a relatively strong and durable water pipe material. It is corrosion-resistant and has a high pressure capacity, making it suitable for both cold and hot water** systems. However, galvanized steel pipes are prone to rust and are complex to install, requiring threaded connections.

Stainless steel pipes: Stainless steel pipes are corrosion-resistant, not easy to rust, and are suitable for both cold and hot water systems. The advantage of stainless steel pipes is that they are strong and durable, but **higher.

The following factors should be taken into account when choosing the material of the water pipe:1.Safety: The rolling material of the water pipe should be non-toxic and harmless, which will not pollute the water quality and will not produce peculiar smell.

2.Durability: Water pipes should have a long service life and be able to withstand environmental factors such as high pressure, high temperature, low temperature, corrosion, etc.

3.Easy installation: The water pipe should be easy to install and connect, and it is not easy to have problems such as water leakage and water seepage.

4.**: The water pipe should be reasonable and suitable for your own economic level.

At present, the common water pipe materials are delayed and spikes include:PVC water pipe: low and easy to install, but poor durability and easy to be affected by factors such as sun, wind, rain, and corrosion.

PE water pipe: moderate, with good durability and corrosion resistance.

Okay, that's all for me, I hope it can help you.