Historical
BS 4346-1:1969
Joints and fittings for use with unplasticized PVC pressure pipes. Injection moulded unplasticized PVC fittings for solvent welding for use with pressure pipes, including potable water supply (British Standard)
Material, dimensions, stress relief test, resistance to sulphuric acid, opacity, effect on water and hydraulic pressure tests. Methods of test in appendices together with a specification for solvent cements for use with injection moulded unplasticized PVC fittings for solvent welding.
British Standards Institution [bsi]