ISO/TR 4191
Plastics piping systems for water supply - Unplasticized poly(vinyl chloride)(PVC-U) and oriented PVC-U (PVC-O) - Guidance for installation
Kunststoff-Rohrleitungssysteme für die Wasserversorgung - Weichmacherfreies Polyvinylchlorid (PVC-U) und orientiertes PVC-U (PVC-O) - Verlegeanleitung
Responsible national committee
NA 119-07-18-01 UA - Plastics piping components for water supply
Responsible international committee
ISO/TC 138/SC 2 - Plastics pipes and fittings for water supplies