DS EN 1329-1:2000 Plastics Piping Systems For Soil And Waste Discharge (Low And High Temperature) Within The Building Structure - Unplasticized Poly(Vinyl Chloride) (Pvc-U) - Part 1: Requirements For Pipes, Fittings And The System Defines the requirements for pipes, fittings, and the system of unplasticized poly(vinyl chloride) (PVC-U) piping systems in the field of soil and waste discharge (low and high temperature) inside bui