Pipe PND is technical

Pipe PND technical is applied at external and internal laying for the purpose of protection of low-current and power electric cables, television and telephone (Internet) cables. Use of technical pipes PND allows to mount a cable behind plasterboard plates, in concrete walls or hollow floors, etc.
One more kind of pipes from polyethylene — pipes PND sewer are actively used for systems of the external and internal sewerage. Secondary material is applied to production of pipes of both types that significantly reduces the price of end products. Use of pipes PND electrotechnical provides reliable protection of a cable against mechanical damages, and in case of violation of isolation of the protected wire prevents defeat by current. At short circuit the product interferes with burning.
Technical pipes PND ("cleaner") depending on thickness of walls can be three types:
SL - average and easy;
With - average;
T - heavy.
Two types of pipes PND (cleaners) - with smooth walls and corrugated are developed. Single-layer smooth pipes (insignificant impregnations are allowed) make of high-strength polyethylene of various diameters: from 8 to 250 mm. Pipe production is shipped in bays. Pipe PND sewer is issued in standard black (or dark) color. Upon the demand of the customer other colors can be offered.
Walls of corrugated pipe PND of the cleaner represent two-layer structure. Edges of an external layer protect internal that allows to use pipes even for underground laying. An inside layer of pipe PND - smooth that facilitates liquid passing.