PVC pipes and fittings for external drainage systems are intended for gravity transport of wastewater with a pH value of 2 - 12 and a temperature up to +40ºC or short-term up to +60ºC. Drainage pipes are used in underground gravity wastewater systems laid under or behind roads, or in other utility engineering areas, as well as for culverts through road embankments or in bridge structures built on road routes. The raw material used for their production is unplasticised PVC-U (polyvinyl chloride), a material with high strength, impact resistance and resistance to many chemicals. The pipes and fittings are orange-brown in colour. The smooth surface of the product prevents scale and sediment formation. A simple and functional jointing system is used for connecting drainage pipes. Each pipe has a socket with a silicone-sealed gasket. This joint is very tight and installation is trouble-free.
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