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AS/NZS 60079.1.1:2002

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Electrical apparatus for explosive gas atmospheres Flameproof enclosures 'd' - Method of test for ascertainment of maximum experimental safe gap

Available format(s)

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

Superseded date

30-06-2017

Language(s)

English

Published date

11-12-2002

1 - AS/NZS 60079.1.1:2002 ELECTRICAL APPARATUS FOR EXPLOSIVE GAS ATMOSPHERES - FLAMEPROOF ENCLOSURES 'd'-METHOD OF TEST FOR ASCER
4 - PREFACE
5 - CONTENTS
6 - 1 Scope
6 - 2 Definitions
6 - 2.1 maximum experimental safe gap (MESG)
6 - 3 Outline of method
7 - 4 Test apparatus
7 - 4.1 Mechanical strength
7 - 4.2 Interior chamber
7 - 4.3 Exterior chamber
7 - 4.4 Gap adjustment
7 - 4.5 Injection of mixture
7 - 4.6 Source of ignition
7 - 4.7 Observation windows
7 - 4.8 Materials of test apparatus
8 - 5 Procedure
8 - 5.1 Preparation of gas mixtures
8 - 5.2 Temperature and pressure
8 - 5.3 Gap adjustment
8 - 5.4 Ignition
8 - 5.5 Observation of the ignition process
8 - 6 Determination of maximum experimental safe gap
8 - 6.1 Preliminary tests
9 - 6.2 Confirmatory tests
9 - 6.3 Reproducibility of maximum experimental safe gaps
9 - 6.4 Tabulated values

Specifies a test method for the measurement of the maximum experimental safe gaps for gas- or vapour-air mixture under normal conditions of temperature and pressure so as to permit the selection of an appropriate group of flameproof enclosures. This Standard has been reproduced from and is identical to IEC 60079-1-1:2002.

This part of IEC 60079 describes a test method intended for the measurement of the maximum experimental safe gaps for gas- or vapour-air mixtures under normal conditions of temperature1 and pressure so as to permit the selection of an appropriate group of flameproof enclosures. The method does not take into account the possible effects of obstacles on the safe gaps2

Committee
EL-014
DocumentType
Standard
ISBN
0 7337 4943 7
Pages
7
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
IEC 60079-1-1:2002 Identical

First published as AS/NZS 60079.1.1:2002.

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