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IEC 60079-10-2-ed.2.0
Explosive atmospheres - Part 10-2: Classification of areas - Explosive dust atmospheres
STANDARD published on 16.1.2015
The information about the standard:
Designation standards: IEC 60079-10-2-ed.2.0
Publication date standards: 16.1.2015
SKU: NS-408739
The number of pages: 56
Approximate weight : 168 g (0.37 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 60079-10-2-ed.2.0 :
IEC 60079-10-2:2015 is concerned with the identification and classification of areas where explosive dust atmospheres and combustible dust layers are present, in order to permit the proper assessment of ignition sources in such areas. In this standard, explosive dust atmospheres and combustible dust layers are treated separately. In Clause 4, area classification for explosive dusts clouds is described, with dust layers acting as one of the possible sources of release. In Clause 7 other general considerations for dust layers are described. The examples in this standard are based on a system of effective housekeeping being implemented in the plant to prevent dust layers from accumulating. Where effective housekeeping is not present, the area classification includes the possible formation of explosive dust clouds from dust layers. The principles of this standard can also be followed when combustible fibres or flyings might cause a hazard. This standard is intended to be applied where there can be a risk due to the presence of explosive dust atmospheres or combustible dust layers under normal atmospheric conditions. Please refer to the foreword of the document for a detailed listing of the significant technical changes from the previous edition. Keywords: explosive dust atmospheres, combustible dust layers, ignition hazards IEC 60079-10-2:2015 traite de lidentification et du classement des emplacements ou des atmospheres explosives poussiereuses et des couches de poussieres combustibles sont presentes, afin de permettre une evaluation appropriee des sources dinflammation a utiliser dans de tels emplacements. Dans la presente norme, les atmospheres explosives poussiereuses et les couches de poussieres combustibles sont traitees separement. Le classement des emplacements de nuages de poussieres explosives ou les couches de poussiere agissent comme lune des sources possibles de degagement est decrit dans lArticle 4. Une description des autres considerations dordre general relatives aux couches de poussiere est presentee dans lArticle 7. Les exemples donnes dans la presente norme sont bases sur un systeme dentretien efficace a mettre en oeuvre sur le site afin dempecher la formation de couches de poussiere par accumulation. En labsence dentretien efficace, le classement des emplacements prend en compte la formation possible de nuages de poussieres explosives a partir des couches de poussiere. Les principes de la presente norme peuvent egalement etre suivis lorsque des fibres ou particules volatiles et combustibles sont une source de danger. La presente norme est destinee a etre appliquee lorsquil y a un risque du a la presence datmospheres explosives poussiereuses ou de couches de poussieres combustibles dans des conditions atmospheriques normales. Sil vous plait se referer a la avant-propo s du document pour obtenir une liste detaillee des modifications techniques majeures par rapport a ledition precedente. Mots-cles: atmospheres explosives poussieres, couches de poussieres combustibles, les risques dinflammation
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