IEC 60079-13:2017

IEC 60079-13:2017

May 2017
International standard Current

Explosive atmospheres - Part 13: Equipment protection by pressurized room "p" and artificially ventilated room "v"

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.

Main informations

Collections

International IEC standards

Publication date

May 2017

Number of pages

72 p.

Reference

IEC 60079-13:2017

Print number

2
Sumary
Explosive atmospheres - Part 13: Equipment protection by pressurized room "p" and artificially ventilated room "v"

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.
Replaced standards (2)
IEC TR 60079-13:1982
January 1982
Technical report Cancelled
Electrical apparatus for explosive gas atmosphere - Part 13: Construction and use of rooms or buildings protected by pressurization

Applies to rooms and buildings containing electrical apparatus and protected by internal overpressure against the ingress of explosive external atmosphere. Includes recommendations for the construction, equipping and operation of such rooms or buildings and their associated parts. Gives tests to show the conformity with these recommendations and indicates the marking to be placed on the rooms or buildings. This publication has the status of a technical report.

IEC 60079-13:2010
October 2010
International standard Cancelled
Explosive atmospheres - Part 13: Equipment protection by pressurized room "p"

IEC 60079-13:2010 gives requirements for the design, construction, assessment and testing and marking of rooms protected by pressurization in: - a room located in an explosive gas atmosphere or explosive dust atmosphere hazardous area that does not include an internal source of a flammable substance; - a room located in an explosive gas atmosphere or explosive dust atmosphere hazardous area that includes an internal source of a flammable substance; - a room located in a non-hazardous area that includes an internal source of a flammable substance. This publication is to be read in conjunction with IEC 60079-0:2007.

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