PREN 1839 : DRAFT 2014

Superseded

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

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Superseded date: 01-01-2017

Language(s):

Published date: 19-05-2014

Publisher: Comite Europeen de Normalisation

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Table of Contents - (Show below) - (Hide below)

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
Annex ZA (informative) - Relationship between this European
         Standard and the Essential Requirements of EU Directive
         94/9/EC

Abstract - (Show below) - (Hide below)

Describes 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.

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Comment Closes On
Committee	TC 305
Document Type	Draft
ISBN
Pages
Published
Publisher	Comite Europeen de Normalisation
Status	Superseded
Superseded By	EN 1839:2017

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Equivalent Standard(s)	Relationship
14/30295916 DC : 0	Identical

Standards Referenced By This Book - (Show below) - (Hide below)

11/30239006 DC : 0	BS EN 13237 - POTENTIALLY EXPLOSIVE ATMOSPHERES - TERMS AND DEFINITIONS FOR EQUIPMENT AND PROTECTIVE SYSTEMS INTENDED FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES
VDI 2263 Blatt 5:2014-10	Dust fires and dust explosions - Hazards, assessment, protective measures - Explosion protection in fluidized bed dryers
PD 6686:2006	Guidance on directives, regulations and standards related to prevention of fire and explosion in the process industries

Standards Referencing This Book - (Show below) - (Hide below)

EN 13237:2012	Potentially explosive atmospheres - Terms and definitions for equipment and protective systems intended for use in potentially explosive atmospheres
1994/9/EC : 1994	DIRECTIVE 94/9/EC OF THE EUROPEAN PARLIAMENT AND THE COUNCIL OF 23 MARCH 1994 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES CONCERNING EQUIPMENT AND PROTECTIVE SYSTEMS INTENDED FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES

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