This Standard specifies the requirements for labelling and colour coding to identify the contents of compressed gas cylinders for industrial, scientific, medical and refrigerant gases, which are used in accordance with AS 2030, Parts 1, 2, 4 and 5.Colour coding includes special identification for eductor tubes to indicate liquid withdrawal.This Standard applies to gas cylinders of water capacity in the range 0.1 kg to 150 kg used as single cylinders or in bundles of cylinders. Cylinders with a water capacity outside the above range, or where the total water capacity of a bundle of cylinders exceeds 810 L, with colour coding may follow this Standard.This Standard does not apply to cylinders used for self-contained underwater breathing apparatus (SCUBA), self-contained breathing apparatus (SCBA), or fire extinguishing agents and portable fire extinguishers. For identification of these cylinders reference should be made to the relevant product or application Standard.The colour coding requirements of this Standard do not apply to liquid petroleum gas (LP Gas) cylinders in a cylinder of 12 kg water capacity or less, which are usually considered for domestic use and are finished in a range of colours.The colour coding requirements of this Standard do not apply to cylinders which are either imported for use but not refilling in Australia (colours of country of origin are applicable), nor for cylinders which are imported for the specific purpose of filling for export.

Originated in part as AS 1942—1976.Revised and redesignated as AS 4484—1997.Previous edition 2004.Third edition 2016. Originated in part as AS 1942-1976. Revised and redesignated as AS 4484-1997. Previous edition 2004. Third edition 2016.