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AS/NZS 2430.3.4:2004

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Classification of hazardous areas Examples of area classification - Flammable gases

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

05-29-2024

Published date

05-20-2004

Preview

Specifies guidance on the classification of areas associated with the production, processing, handling and storage of flammable liquids and gases, in refineries and major processing plants. It includes specific examples of classification for such areas, based on a generalized method area classification. To be read in conjunction with AS/NZS 2430.3.1.

This Standard provides examples of area classification for areas associated with the production, processing, handling and storage of heavier-than-air and lighter-than-air flammable gases. It is Part of the AS/NZS 2430.3 series which recommends the classifications of several commonly occurring situations and should be read in conjunction with AS/NZS 2430.3.1. Caution should be exercised when considering gases with densities close to that of air, or any lighter-than-air gas which may be cooled substantially below ambient air temperature (e.g. by expansion from a compressed liquefied, or refrigerated liquefied state); such gases may behave as either heavier-than-air gases or lighter-than-air gases and therefore the applicable Clauses should be considered. For flammable gases in refineries and major processing plants reference should be made to AS/NZS 2430.3.5, which uses the Generalized Method of classification. All pressures quoted in this Standard are gauge pressures unless specified otherwise.

Committee
MS-011
DocumentType
Standard
ISBN
0 7337 5971 8
Pages
16
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes

First published in Australia as part of AS 1076.2-1977.AS 2430.1 first published 1981.AS 1076.2-1977 and AS 2430.1-1981 revised, amalgamated and designated AS 2430.1-1982.AS 2430-1-1982 revised and redesignated in part as AS 2430.3-1987.Second edition 1991.First published in New Zealand as part of NZS 6101P:1972.Revised and redesignated in part as NZS 6101.3:1991.AS 2430.3-1991 and NZS 6101.3:1991 revised, amalgamated and redesignated in part as AS 2430.3.4:1997.Second edition 2004. First published in Australia as part of AS 1076.2-1977. AS 2430.1 first published 1981. AS 1076.2-1977 and AS 2430.1-1981 revised, amalgamated and designated AS 2430.1-1982. AS 2430-1-1982 revised and redesignated in part as AS 2430.3-1987. Second edition 1991. First published in New Zealand as part of NZS 6101P:1972. Revised and redesignated in part as NZS 6101.3:1991. AS 2430.3-1991 and NZS 6101.3:1991 revised, amalgamated and redesignated in part as AS 2430.3.4:1997. Second edition 2004.

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