DIN 8080 Chlorinated polyvinyl chloride (PVC-C) pipes - General quality requirements, testing
DIN EN ISO 12162 Thermoplastics materials for pipes and fittings for pressure applications - Classification, designation and design coefficient (ISO 12162:2009); German version EN ISO 12162:2009*, 2010-04-01 Update
ISO 11922-1 Thermoplastics pipes for the conveyance of fluids - Dimensions and tolerances - Part 1: Metric series*, 2017-12-31 Update