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I.S. EN 60079-10:2003

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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ELECTRICAL APPARATUS FOR EXPLOSIVE GAS ATMOSPHERES - CLASSIFICATION OF HAZARDOUS AREAS

Available format(s)

Hardcopy , PDF

Superseded date

09-07-2009

Language(s)

English

Published date

01-01-2003

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.


Dates of withdrawal of national standards are available from NSAI.

FOREWORD
INTRODUCTION
1 General
  1.1 Scope
  1.2 Normative references
2 Definitions and terms
3 Safety and area classification
  3.1 Safety principles
  3.2 Area classification objectives
4 Area classification procedure
  4.1 General
  4.2 Sources of release
  4.3 Type of zone
  4.4 Extent of zone
      4.4.1 Release rate of gas or vapour
      4.4.2 Lower explosive limit (LEL)
      4.4.3 Ventilation
      4.4.4 Relative density of the gas or vapour
            when it is released
      4.4.5 Other parameters to be considered
      4.4.6 Illustrative examples
5 Ventilation
  5.1 General
  5.2 Main types of ventilation
  5.3 Degree of ventilation
  5.4 Availability of ventilation
6 Documentation
  6.1 General
  6.2 Drawings, data sheets and tables
Annex A (informative) Examples of sources of release
Annex B (informative) Ventilation
Annex C (informative) Examples of hazardous area
        classification
Figure C.1 - Preferred symbols for hazardous area
             zones
Figure C.2 - Schematic approach to the classification
             of hazardous areas

Specifies classification of hazardous areas where flammable gas or vapour risks may arise, in order to permit the proper selection and installation of apparatus for use in such hazardous areas.

DocumentType
Standard
Pages
129
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy

Standards Relationship
IEC 60079-10:2002 Identical
NF EN 60079-10 : 2003 Identical
NBN EN 60079-10 : 2003 Identical
DIN EN 60079-10 : 2004 Identical
BS EN 60079-10:2003 Identical
EN 60079-10:2003 Identical
SN EN 60079-10 : 2003 Identical
UNE-EN 60079-10:2004 Identical

I.S. 821:2006 GAS PRESSURE REGULATING STATIONS FOR DISTRIBUTION
I.S. 822:2007 GAS PRESSURE REGULATING INSTALLATIONS ON SERVICE PIPELINES

IEC TR 60079-20:1996 Electrical apparatus for explosive gas atmospheres - Part 20: Data for flammable gases and vapours, relating to the use of electrical apparatus
IEC 60050-426:2008 International Electrotechnical Vocabulary (IEV) - Part 426: Equipment for explosive atmospheres
IEC 60079-4A:1970 Electrical apparatus for explosive gas atmospheres - Part 4: Method of test for ignition temperature - First supplement. *Note.-This supplement applies also to the second edition of 1975

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