Water pipes: varieties and applications

Until recently, the main pipes thatused in water supply systems, were black cast iron materials. Despite its apparent reliability, these products have many disadvantages, the main of which is rust.water pipesDue to corrosion in metal pipes, rust forms and accumulates over time, which settles on the inner walls of the water pipe.

It is almost impossible to eliminate these negative consequences. If the water pipes provide low pressure due to corrosion, they can only be replaced.

However, today the use of such products is a thing of the past. New materials appear on the market, characterized by high reliability and durability.

When installing water pipes are usedseveral types. In the construction of water movement systems, galvanized steel pipes, copper products, metal plastic, plastic pipes and pipes made of polyethylene (cross-linked) are used.

All of them have their own advantages and disadvantages.

Steel water pipes, coated with zinc, have increased resistance to corrosion. However, communications from this type of products are costly, but also the most reliable.

Metal-plastic water pipes havea multi-layer structure consisting of a thin aluminum base, covered on the outside and inside with cross-linked polyethylene. The service life of such materials is half a century. water pipes metal plasticPipes can be used in conditions wherethe temperature of the passing fluid varies from minus 40 to plus 90, and the working pressure reaches 10 atmospheres. This fact makes it possible to use materials when replacing drinking water pipes and heating pipes.

The most high-quality material for creatingCommunications are copper pipes. These products are practically non-corrosive. When connecting pipes with welding, connection leakage is excluded. All these qualities make copper water pipes ideal for water supply systems. However, high cost of products does not allow to do this.

Probably, because of this factor, many plumbers recommend using PVC water pipes when replacing old communications.PVC water pipesThese products are completely suitable for creatingsystems of hot and cold water supply, and from the service life is 50 years. Materials are capable of operating at temperatures from minus 10 to plus 95 degrees. The joining of the products is carried out by means of fittings which are mounted on the adhesive or using diffusion welding. The last version of the connection is more reliable.

Cross-linked polyethylene pipes areeconomical modern variant of replacement of materials that have served their time. Products have great prospects for use. They are not afraid of kinks, which can not be said about metal plastic, are not subject to corrosion, have a low roughness value, low heat loss, do not conduct electricity. The pipes are used for fifty years.

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