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IEC 60079-20-1:2010 ED1

Explosive atmospheres - Part 20-1: Material characteristics for gas and vapour classification - Test methods and data
21 jan 2010

General information

99.60     14 dhj 2017

WPUB   

IEC

TC 31/SC 31M

International Standard

29.260.20  

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Scope

IEC 60079-20-1:2010 provides guidance on classification of gases and vapours. It describes a test method intended for the measurement of the maximum experimental safe gaps (MESG) for gas- or vapour-air mixtures under normal conditions of temperature and pressure so as to permit the selection of an appropriate group of equipment. The tabulated values of chemical and engineering properties of substances are provided to assist engineers in their selection of equipment to be used in hazardous areas. This first edition of IEC 60079-20-1 cancels and replaces the first edition of IEC 60079-1-1(2002), the second edition of IEC 60079-4 (1975), its amendment 1(1995) and its complement: IEC 60079-4A (1970), the first edition of IEC/TR 60079-12 (1978) and the first edition of IEC 60079-20 (1996). It constitutes a technical revision. The contents of the corrigendum of July 2012 have been included in this copy.

Life cycle

PREVIOUSLY

WITHDRAWN
IEC 60079-4:1975 ED2

WITHDRAWN
IEC 60079-4:1975/AMD1:1995 ED2

WITHDRAWN
IEC TR 60079-12:1978 ED1

WITHDRAWN
IEC TR 60079-20:1996 ED1

WITHDRAWN
IEC 60079-1-1:2002 ED1

WITHDRAWN
IEC 60079-4A:1970 ED1

NOW

WITHDRAWN
IEC 60079-20-1:2010 ED1
99.60 Withdrawal effective
14 dhj 2017

CORRIGENDA / AMENDMENTS

WITHDRAWN
IEC 60079-20-1:2010/COR1:2012 ED1

REVISED BY

PUBLISHED
ISO/IEC 80079-20-1:2017 ED1