Engineering systems are necessary to ensure normal human life. For the normal functioning of the system, during the erection, it is necessary to use exclusively high -quality building materials, in this case, pipes. So corrugated PVC pipes are considered one of the highest quality, which are used to lay power cables and low -current lines inside various buildings. Namely, for laying telephone, computer electric, and television networks.
The corrugated pipes are made of self -shallowing material PVC, which significantly reduces the possibility of fire of the cable and prevents the further spread of the flame. In addition, the corrugated PVC pipe provides additional isolation of the cable. Part of the engineering system, where corrugated pipes are used, consists of such pipes of different diameters, as well as distributors and shields. At the same time, their installation due to the flexibility of the material is performed with a minimum of labor costs and does not require the acquisition of additional accessories.
It is worth noting that there are also varieties of heavy and super -heavy corrugated PVC pipes, which are used for laying in a cement screed or concrete. PND pipes Technical due to their advantages are widely used for the outer and internal laying of power and low -current lines, in t.h. television, telephone, etc. cables. Thanks to the features, this type of pipes is also used to lay cables behind drywall slabs, in concrete walls, etc. In addition to laying cables, they are widely used in laying external and internal sewage. The PND PND is made of the secondary material (low -pressure polyethylene), which significantly affects its cost.
Technical PND pipes are separated in the thickness of the walls:
T are heavy;
C – medium;
SL – medium -sized.
Depending on the structure of the outer walls, pipes are distinguished from the smooth and corrugated structure. The first type is made of polyethylene of high strength of various diameters. The color is usually black, if the customer desired, it can be changed.
The corrugated type is characterized by the presence of a two -layer structure, where the outer layer is corrugated ribbed, and the inner is smooth. Such pipes are easy to install, while they are characterized by sufficient strength and durability. Thus, for the normal functioning of the engineering system, it is necessary not only to use high -quality building materials, but also to determine which one will be needed when erecting a particular part of the engineering complex.
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