Specifications for solvent weld waste pipes based on Iran national standard (ISIRI) 9119-1 (DIN EN 1329)

DIN EN 1329-1: Plastics piping systems for soil and waste discharge (low and high temperature) within the building structure – unplasticized poly (vinyl chloride) (PVC-U)
Part1: Specifications for Pipes, Fittings and the System