Homeliness, Tools and equipment
Water pipes: varieties and applications
Until recently, the main pipes used in water supply systems were black cast iron materials. Despite its apparent reliability, these products have many disadvantages, the main one of which is rust.
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.
During installation, several types of water pipes are used. At the device of systems of movement of water the galvanized steel pipes, copper products, металлопластиковые, plastic and pipes from polyethylene (sewed) are applied .
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 have a multilayered construction, 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.
The most qualitative material for creating communications are copper pipes. These products are practically non-corrosive. When connecting pipes with welding, connection leakage is prevented. 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.
Water pipes made of cross-linked polyethylene are an economical modern variant of replacement of old materials. 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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