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IEC 60079-10-1:2015 RLV

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Explosive atmospheres - Part 10-1: Classification of areas - Explosive gas atmospheres

Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

31-12-2021

Language(s)

English

Published date

08-09-2015

INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 General
5 Area classification methodology
6 Release of flammable substance
7 Type of zone
8 Extent of zone
9 Documentation
Annex A (informative) - Suggested presentation of
        hazardous areas
Annex B (informative) - Estimation of sources of
        release
Annex C (informative) - Ventilation guidance
Annex D (informative) - Estimation of hazardous
        zones
Annex E (informative) - Examples of hazardous
        area classification
Annex F (informative) - Schematic approach to
        classification of hazardous areas
Annex G (informative) - Flammable mists
Annex H (informative) - Hydrogen
Annex I (informative) - Hybrid mixtures
Annex J (informative) - Useful equations in
        support to hazardous area classification
Annex K (informative) - Industry codes and
        national standards
Bibliography

IEC 60079-10-1:2015 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 60079-10-1:2015(E) is concerned with the classification of areas where flammable gas or vapour hazards may arise and may then be used as a basis to support the proper selection and installation of equipment for use in hazardous areas. It is intended to be applied where there may be an ignition hazard due to the presence of flammable gas or vapour, mixed with air, but it does not apply to:
- mines susceptible to firedamp;
- the processing and manufacture of explosives;
- catastrophic failures or rare malfunctions which are beyond the concept of abnormality dealt with in this standard (see 3.7.3 and 3.7.4);
- rooms used for medical purposes;
- commercial and industrial applications where only low pressure fuel gas is used for appliances e.g. for cooking, water heating and similar uses, where the installation is compliant with relevant gas codes;
- domestic premises;
- where a hazard may arise due to the presence of combustible dusts or combustible flyings but the principles may be used in assessment of a hybrid mixture (refer also IEC 60079 10-2).
This second edition of IEC 60079-10-1 cancels and replaces the first edition, published in 2008, and constitutes a technical revision. The significant technical changes with respect to the previous edition are identified in the Foreward of the document. Keywords: ignition hazards, flammable gas or vapour, risk of explosions

Committee
TC 31/SC 31J
DevelopmentNote
Stability date: 2020. (09/2015)
DocumentType
Redline
Pages
262
PublisherName
International Electrotechnical Committee
Status
Superseded
SupersededBy
Supersedes

IEC 60079-20-1:2010 Explosive atmospheres - Part 20-1: Material characteristics for gas and vapour classification - Test methods and data
IEC 60079-0:2011 Explosive atmospheres - Part 0: Equipment - General requirements
IEC 60079-14:2013 Explosive atmospheres - Part 14: Electrical installations design, selection and erection
IEC 61285:2015 Industrial-process control - Safety of analyser houses

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