DIN Standards Committee Plastics
ISO 4422-3
Pipes and fittings made of unplasticized poly(vinyl chloride) (PVC-U) for water supply - Specifications - Part 3: Fittings and joints
Rohre und Fittings aus weichmacherfreiem Polyvinylchlorid (PVC-U) für Wasserversorgungen - Spezifikationen - Teil 3: Formstücke und Verbindungen
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