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SRPS EN 60079-31:2015

Explosive atmospheres - Part 31: Equipment dust ignition protection by enclosure "t"

Mar 24, 2015

General information

60.60     Mar 24, 2015

ISS

N031

European Norm

29.260.20  

English  

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Scope

IEC 60079-31:2013 is applicable to electrical equipment protected by enclosure and surface temperature limitation for use in explosive dust atmospheres. It specifies requirements for design, construction and testing of electrical equipment and Ex Components. This standard supplements and modifies the general requirements of IEC 60079-0. Where a requirement of this standard conflicts with a requirement of IEC 60079-0, the requirement of this standard takes precedence. This standard does not apply to dusts of explosives, which do not require atmospheric oxygen for combustion, or to pyrophoric substances. This standard does not apply to electrical equipment or Ex Components intended for use in underground parts of mines as well as those parts of surface installations of such mines endangered by firedamp and/or combustible dust. This standard does not take account of any risk due to an emission of flammable or toxic gas from the dust. Consideration of additional protective measures is required where the application of electrical equipment is in atmospheres, which can contain combustible dust as well as explosive gas, whether simultaneously or separately. Where the electrical equipment has to meet other environmental conditions, for example, protection against ingress of water and resistance to corrosion, additional measures can be necessary. The measures used should not adversely affect the integrity of the enclosure. This second edition cancels and replaces the first edition published in 2008. This edition constitutes a technical revision. The major technical changes include: - The marked maximum surface temperature shall be measured on the external surfaces of the enclosure and the surfaces of the internal components for equipment with types of protection 'ta'; - Additional protection for arcing and sparking parts for 'ta'; - Test for internal enclosure for level 'ta' added. Keywords: explosive dust atmospheres

Related directives

Directives related to this standard.

94/9/EC

Equipment and protective systems intended for use in potentially explosive atmospheres (ATEX)

Harmonized
2014/34/EU

Directive 2014/34/EU Of The European Parliament And Of The Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to equipment and protective systems intended for use in potentially explosive atmospheres (recast)

Harmonized

Life cycle

PREVIOUSLY

WITHDRAWN
SRPS EN 60079-31:2011

NOW

PUBLISHED
SRPS EN 60079-31:2015
60.60 Standard published
Mar 24, 2015

REVISED BY

PROJECT
dnaSRPS EN IEC 60079-31:2024

Related project

Adopted from EN 60079-31:2014

Adopted from IEC 60079-31:2013 ED2 IDENTICAL

Regulation

Сл.гласник РС бр. 72/2017
SPISAK SRPSKIH STANDARDA iz oblasti opreme i zaštitnih sistema namenjenih za upotrebu u potencijalno eksplozivnim atmosferama

МИНИСТАРСТВО ПРИВРЕДЕ