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I.S. EN 1839:2017

Current

Current

The latest, up-to-date edition.

DETERMINATION OF THE EXPLOSION LIMITS AND THE LIMITING OXYGEN CONCENTRATION(LOC) FOR FLAMMABLE GASES AND VAPOURS

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2017

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.

National Foreword
European foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Test methods
5 Verification
6 Test report
Annex A (normative) - Method for determination of the explosion
        limits and limiting oxygen concentration of substances that
        are difficult to ignite
Annex B (informative) - Conversion of the values for the
        explosion limits
Annex C (informative) - Examples to describe flame detachment
Annex D (informative) - Example of recommended evaporator equipment
Annex E (normative) - Safety measures
Annex F (informative) - Examples of the determination of the LOC
Annex G (normative) - Verification
Annex H (informative) - Example of a form expressing the results
Annex I (informative) - Significant Changes between this European
        Standard and EN 1839:2012 and EN 14756:2006
Annex ZA (informative) - Relationship between this European
         Standard and the essential requirements of Directive
         2014/34/EU aimed to be covered
Bibliography

Defines two test methods (method T and method B) to determine the explosion limits of gases, vapours and their mixtures, mixed with air or an air/inert gas mixture (volume fraction of the oxygen < 21%) and the limiting oxygen concentration.

DevelopmentNote
Supersedes I.S. EN 14756. (02/2017)
DocumentType
Standard
Pages
50
PublisherName
National Standards Authority of Ireland
Status
Current
Supersedes

Standards Relationship
NEN EN 1839 : 2017 Identical
NS EN 1839 : 2017 Identical
NF EN 1839 : 2017 Identical
SN EN 1839:2017 Identical
UNI EN 1839 : 2012 Identical
EN 1839:2017 Identical
BS EN 1839:2017 Identical
DIN EN 1839:2014-06 (Draft) Identical
DIN EN 1839:2012-12 Identical
UNE-EN 1839:2004 Identical

EN 13237:2012 Potentially explosive atmospheres - Terms and definitions for equipment and protective systems intended for use in potentially explosive atmospheres
ISO 10156:2017 Gas cylinders — Gases and gas mixtures — Determination of fire potential and oxidizing ability for the selection of cylinder valve outlets

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