Blue pipe (PVC: Polyvinylchloride pipe) Pipe for the clean water system (CW: Cold Water) Distributes clean water for use in buildings and waste water (W: Waste water) from washing or general waste water pipes
Green pipe (PPR: Polypropylene pipe) Pipe for the hot water system (HW: Hot water) Distributes hot water for use in buildings. PPR pipes are divided into 2 types: PN10, which is resistant to 10 bar pressure, suitable for warm and cold water pipes, and PN20, which is resistant to 20 bar pressure, suitable for hot water pipes
Grey-black pipe (UPVC: Unplasticized Polyvinyl Chloride pipe) Pipe for the waste water system (S: Soil water) Toilet pipe or sewage pipe Drains wastewater from toilets with sludge