PREN 1839 : DRAFT 2014
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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DETERMINATION OF EXPLOSION LIMITS OF GASES AND VAPOURS AND DETERMINATION OF THE LIMITING OXYGEN CONCENTRATION (LOC) FOR FLAMMABLE GASES AND VAPOURS
01-01-2017
19-05-2014
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
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.
| Committee |
TC 305
|
| DocumentType |
Draft
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| 14/30295916 DC : 0 | Identical |
| 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 |
| 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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