Historical
ISO 3460:1975
Unplasticized polyvinyl chloride (PVC) pressures pipes - Metric series - Dimensions of adapter for backing flange
The main dimensions of adapters for solvent (cold) welding and the inside diameters of backing flanges for PVC-pressure pipes are specified. Applicable to pipe sizes from 16 to 160 mm (outside diameter) and for nominal pressure of 1 MPa.
International Organization for Standardization [iso]