DIN Standards Committee Plastics
ISO/TR 4191
Unplasticized polyvinyl chloride (PVC-U) pipes for water supply; recommended practics for laying
Rohre aus weichmacherfreiem Polyvinylchlorid (PVC-U) für die Wasserversorgung; Verlegeanleitung
Responsible national committee
NA 054-05-02 AA - Test methods for plastic pipes
Responsible international committee
ISO/TC 138/SC 2 - Plastics pipes and fittings for water supplies