DIN Standards Committee Plastics
ISO 4422-2
Pipes and fittings made of unplasticized poly(vinyl chloride) (PVC-U) for water supply - Specifications - Part 2: Pipes (with or without integral sockets)
Rohre und Fittings aus weichmacherfreien Polyvinylchlorid (PVC-U) für Wasserversorgung - Spezifikationen - Teil 2: Rohre (mit oder ohne Integral-Muffe)
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