EN 13237:2012

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.DKExplosionsgefährdete Bereiche - Begriffe für Geräte und Schutzsysteme zur Verwendung in explosionsgefährdeten BereichenAtmosphères explosibles - Termes et définitions pour les appareils et systèmes de protection destinés à être utilisés en atmosphères explosiblesPotentially explosive atmospheres - Terms and definitions for equipment and protective systems intended for use in potentially explosive atmospheres13.230Varstvo pred eksplozijoExplosion protection01.040.13Varstvo okolja in zdravja. Varnost (Slovarji)Environment and health protection. Safety (Vocabularies)ICS:Ta slovenski standard je istoveten z:EN 13237:2012SIST EN 13237:2013en01-marec-2013SIST EN 13237:2013SLOVENSKI
STANDARDSIST EN 13237:20031DGRPHãþD

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 13237
October 2012 ICS 01.040.13; 01.040.29; 13.230; 29.260.20 Supersedes EN 13237:2003English Version
Potentially explosive atmospheres - Terms and definitions for equipment and protective systems intended for use in potentially explosive atmospheres
Atmosphères explosibles - Termes et définitions pour les appareils et systèmes de protection destinés à être utilisés en atmosphères explosibles
Explosionsgefährdete Bereiche - Begriffe für Geräte und Schutzsysteme zur Verwendung in explosionsgefährdeten Bereichen This European Standard was approved by CEN on 1 September 2012.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.
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Definitions from the Directive 94/9/EC and corrigenda . 21Annex B (informative)
Significant changes between this European Standard and EN 13237:2003 . 24Annex ZA (informative)
Relationship between this European Standard and the Essential Requirements of EU Directive 94/9 EC . 25Bibliography . 26 Figures Figure 1 — Explosion area for a ternary system of test substance, air and inert gas . 9Figure 2 — Relationship between ignition source definitions . 16
3.3 combustible dust dust able to undergo an exothermic reaction with air when ignited Note 1 to entry: The terms "flammable" and "combustible" are used synonymously. [SOURCE: EN 14034-1:2004+A1:2011, 3.3] 3.4 conductive dust dust with an electrical resistivity equal to or less than 103 m 3.5 continuous grade of release release which is continuous or is expected to occur frequently or for long periods
[SOURCE: EN 60079-10-1:2009, 3.11] 3.6 deflagration explosion propagating at subsonic velocity
[SOURCE: ISO 8421-1:1987] 3.7 degree of protection extent of protection provided by an enclosure against access to hazardous parts, against ingress of solid foreign objects and/or ingress of water and verified by standardised test methods
[SOURCE: EN 60529:1991 + A1:2000, 3.3] SIST EN 13237:2013

[SOURCE: ISO 8421-1:1987]
3.9 dust small solid particles in the atmosphere which settle out under their own weight, but which may remain suspended in air for some time
[SOURCE: EN 14034-1:2004+A1:2011, 3.1, modified] Note 1 to entry: Generally combustible dusts with a median value below 500 µm may form explosive dust/air-mixtures. 3.10 electrical equipment items applied as a whole or in part for the utilisation of electrical energy
Note 1 to entry: These include, among others, items for the generation, transmission, distribution, storage, measurement, regulation, conversion and consumption of electrical energy and items for telecommunications.
[SOURCE: EN 60079-0:2009, 3.14] 3.11 electrostatic leakage resistance electrical resistance measured between an object and earth [SOURCE: EN 14983:2007, 3.1] 3.12 enclosure (of equipment or protective system) all the walls including doors, covers, cable entries, rods, spindles and shafts which contribute to the type of protection and/or their degree of protection (IP)
3.13 equipment machines, apparatus, fixed or mobile devices, control components and instrumentation thereof and detection or prevention systems which, separately or jointly are intended for the generation, transfer, storage, measurement, control and conversion of energy and/or the processing of material and which are capable of causing an explosion through their own potential ignition source
Note 1 to entry: If equipment supplied to the user contains any interconnecting parts e.g. fastenings, pipes, etc. these form part of the equipment. Note 2 to entry: Simple apparatus with no moving parts, containers and pipes on their own are not considered as equipment under the scope of this European Standard.
[SOURCE: EN 13463-1:2009, 3.1] 3.13.1 equipment Group I category M 1 equipment designed and, where necessary, equipped with additional special means of protection to be capable of functioning in conformity with the operational parameters established by the manufacturer and ensuring a very high level of protection SIST EN 13237:2013

[SOURCE: ISO 8421-1:1987] 3.15 explosion area area inside the boundary curve formed by the explosion limits of a flammable substance in various mixtures with air and inert gas
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