DS EN 1453-1:2000 Plastics Piping Systems With Structured-Wall Pipes For Soil And Waste Discharge (Low And High Temperature) Inside Buildings - Unplasticized Poly(Vinyl Chloride) (Pvc-U) - Part 1: Specifications For Pipes And The System Defines the requirements for pipes and the system of unplasticized poly(vinyl chloride) (PVC-U) piping systems with structured-wall pipes intended to be used for soil and waste discharge (low and high