AS 2944 (Pt 1 to 2)-1987
Specifies dimensions and general requirements for two classes of pipe for use in gas mains and services for direct burial and reliner applications, for the distribution of natural gas, manufactured gas, LP gas in the vapour phase and LP gas/air mixtures at pressures up to 400 kPa. ISO 161/1 outside diameter series dimensions are used with a size range of 16 to 250.