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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

Preview

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.

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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