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IEC 60079-13-ed.2.0
Explosive atmospheres - Part 13: Equipment protection by pressurized room "p" and artificially ventilated room "v"
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STANDARD published on 22.5.2017
The information about the standard:
Designation standards: IEC 60079-13-ed.2.0
Publication date standards: 22.5.2017
SKU: NS-684285
The number of pages: 35
Approximate weight : 105 g (0.23 lbs)
Country: International technical standard
Category: Technical standards IEC
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Annotation of standard text IEC 60079-13-ed.2.0 :
IEC 60079-13:2017 gives requirements for the design, construction, assessment, verification and marking of rooms used to protect internal equipment: – located in a Zone 1 or Zone 2 or Zone 21 or Zone 22 explosive atmosphere without an internal source of gas/vapour release and protected by pressurization; – located in a Zone 2 explosive atmosphere with or without an internal source of gas/vapour release and protected by artificial ventilation; – located in a non-hazardous area, containing an internal source of gas/vapour release and protected by artificial ventilation; – located in a Zone 1 or Zone 2 or Zone 21 or Zone 22 explosive atmosphere containing an internal source of gas/vapour release and protected by both pressurization and artificial ventilation. The term "room" used in this document includes single rooms, multiple rooms, a complete building or a room contained within a building. A room is intended to facilitate the entry of personnel and includes inlet and outlet ducts. An acoustic hood and other like enclosures designed to permit the entry of personnel can be considered as a room. This document also includes requirements related safety devices and controls necessary to ensure that artificial ventilation, purging and pressurization is established and maintained. A room assembled or constructed on site, can be either on land or off-shore. The room is primarily intended for installation by an end-user but could be constructed and assessed at a manufacturer’s facility, where the final construction such as ducting can be completed on site. This document does not specify the methods that may be required to ensure adequate air quality for personnel with regard to toxicity and temperature within the room. National or other regulations and requirements may exist to ensure the safety of personnel in this regard. This second edition cancels and replaces the first edition published in 2010. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) modification of the title of this document to include artificially ventilated room "v" in addition to pressurized room "p"; b) addition of types of protection "pb", "pc", and "vc" and removal of types of protection "px", "py", "pz" and "pv"; c) definition of the differences between pressurization and artificial ventilation types of protection; d) removal of protection of rooms with an inert gas or a flammable gas from the scope of this document; e) addition of an informative annex to include examples of applications where types of protection pressurization or artificial ventilation or pressurization and artificial ventilation can be used and associated guidelines. IEC 60079-13:2017 definit les exigences relatives a la conception, la construction, levaluation, la verification et le marquage de salles utilisees pour proteger le materiel interne: – situees dans une atmosphere explosive de Zone 1 ou de Zone 2 ou de Zone 21 ou de Zone 22 nincluant pas de source interne de degagement de gaz/vapeur et protegees par surpression interne; – situees dans une atmosphere explosive de Zone 2 incluant ou n’incluant pas de source interne de degagement de gaz/vapeur et protegees par ventilation artificielle; – situees dans un emplacement non dangereux incluant une source interne de degagement de gaz/vapeur et protegees par ventilation artificielle; – situees dans une atmosphere explosive de Zone 1 ou de Zone 2 ou de Zone 21 ou de Zone 22 incluant une source interne de degagement de gaz/vapeur et protegees a la fois par surpression interne et par ventilation artificielle. Le terme «salle» utilise dans le present document designe des salles uniques, plusieurs salles, un batiment complet ou une salle contenue dans un batiment. Destinee a faciliter l’entree du personnel, une salle inclut les canalisations dentree et de sortie. Une hotte acoustique et d’autres enveloppes similaires destinees a permettre l’entree du personnel peuvent etre considerees comme une salle. Le present document couvre egalement les exigences applicables aux dispositifs et controles de securite necessaires a letablissement et au maintien de la ventilation artificielle, du balayage et de la surpression interne. Une salle montee ou construite sur site peut se trouver a terre ou en mer. La salle est principalement destinee a etre installee par un utilisateur final, mais elle peut etre construite et evaluee a lusine du fabricant lorsque les operations de construction finale telles que la realisation des canalisations peuvent etre effectuees sur site. Le present document ne precise pas les methodes qui peuvent etre exigees pour garantir au personnel une qualite dair appropriee en matiere de toxicite et de temperature dans la salle. A cet egard, des exigences et reglements nationaux ou autres destines a garantir la securite du personnel peuvent exister. Cette deuxieme edition annule et remplace la premiere edition parue en 2010. Cette edition constitue une revision technique. Cette edition inclut les modifications techniques majeures suivantes par rapport a l’edition precedente: a) modification du titre du present document pour inclure l’expression salle en ventilation artificielle «v» en plus de salle en surpression interne «p»; b) ajout des modes de protection «pb», «pc», et «vc» et suppression des modes de protection «px», «py», «pz» et «pv»; c) definition des differences entre les modes de protection par surpression interne et par ventilation artificielle; d) suppression de la protection des salles par un gaz inerte ou un gaz inflammable relevant du domaine d’application du present document; e) ajout d’une annexe informative pour inclure des exemples d’applications dans lesquelles les modes de protection par surpression interne et/ou par ventilation artificielle peuvent etre utilises ainsi que des lignes directrices correspondantes.
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