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  • BSI
    BS EN ISO/IEC 80079-38:2016+A1:2018 Explosive atmospheres - Equipment and components in explosive atmospheres in underground mines
    Edition: 2018
    $526.05
    / user per year

Description of BS EN ISO/IEC 80079-38:2016+A1:2018 2018

This part of ISO/IEC 80079 specifies the explosion protection requirements for the design, construction, assessment and information for use (maintenance, repair, marking) of equipment that may be an individual item or form an assembly.

This includes machinery and components for use in mines susceptible to explosive atmospheres of firedamp and/or combustible dust. The standard atmospheric conditions (relating to the explosion characteristics of the atmosphere) under which it may be assumed that equipment can be operated are:

  • temperature -20 °C to +60 °C;

  • pressure 80 kPa (0,8 bar) to 110 kPa (1,1 bar); and

  • air with normal oxygen content, typically 21 % v/v.

This part of ISO/IEC 80079 applies for equipment and components according to EPL Mb to be used in explosive atmospheres containing firedamp and/or combustible dust.

NOTE 1 In some countries, there might be differences according to the classification, e.g. Mb is similar to category M2 in the European Union.

For equipment and components according to EPL Ma, the requirements of this standard and of ISO 80079-36 and IEC 60079-0 apply.

NOTE 2 A standard with additional requirements for EPL Ma is under preparation.

It is necessary to take account of external conditions to the equipment which may affect the hazard and the resultant protection measures. These measures may include ventilation, gas detection or gas drainage.

This part of ISO/IEC 80079 also deals with the prevention of ignitions of explosive atmospheres caused by burning (or smouldering) of combustible material such as fabric fibres, plastic ”O”-rings, rubber seals, lubricating oils or greases used in the construction of the equipment if such items could be an ignition source. For example, the mechanical failure of rotating shaft bearings can result in frictional heating that ignites its plastic cage, plastic seal or lubricating grease.

Detailed requirements and test procedures for the fire protection of conveyer belts are not part of this part of ISO/IEC 80079.



Standard NumberBS EN ISO/IEC 80079-38:2016+A1:2018
TitleExplosive atmospheres - Equipment and components in explosive atmospheres in underground mines
StatusRevision Underway
Publication Date2018-08-10
ReplacesBS EN 1710:2005+A1:2008
Identical National Standard OfEN ISO/IEC 80079-38:2016/A1:2018
Modified National Standard OfISO/IEC 80079-38:2016
CorrectsBS EN ISO/IEC 80079-38:2016+A1:2018
DescriptorsMining, Fire safety, Mining equipment, Explosions, Explosive atmospheres, Marking, Machine tools, Fire-damp, Mineral extraction equipment, Underground mining, Protected electrical equipment, Dust explosions, Electrical equipment, Mines
ICS29.260.20 Electrical apparatus for explosive atmospheres, 73.100.30 Equipment for drilling and mine excavation
CommitteeEXL/23
ISBN978 0 539 02070 0
PublisherBSI
Pages62

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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