Filter technology – ATEX regulations

Fire 

Since 1 July 2003, the ATEX (Explosive Atmospheres) 1999/92/EC and 94/9/EC are enforced on all member states of the European Union. They apply to manufacturers, suppliers and users of equipment designed for use in potentially explosive atmospheres (hazardous locations).

 Directives 99/92/EC(also known as 'ATEX 137'), “USE” directives, requires employers to protect workers from the risk of explosive atmospheres.

Directives 94/9/EC(also known as 'ATEX 95') “Equipment and Protective Systems for use in potentially explosive atmospheres” covers electrical and non-electrical products intended for use in hazardous areas (gas, vapours or dust atmospheres).

An explosive atmosphere is defined as a mixture with air, under atmospheric conditions, of dangerous substances in the form of gases, vapours, mist or dust in which after ignition has occurred, combustion spreads to the entire unburned mixture.

In industry applications, some processes are required to have ATEX classified filters in certain zones. (Se table)

Camfil in Europe have developed ATEX approved filters and housings for use in industry facilities in order to avoid any electrostatic hazards from gas or dust in the ATEX zone.

Camfil ATEX filter solutions are fully certified for use in ATEX zones Gas and Dust in accordance with the requirements "borderline list from 06/09" Directive 94 / 9 / EC, "the ATEX Declaration of Conformity " and “Instruction for use”.

Gas
Dust Areas
Definitions
Category ATEX
Typical suitability of place
0
20
Where an explosive atmosphere is present continuously
1G
Equipment adapted to 0 areas
   
1D
Equipment adapted to 20 areas
1
21
Where an explosive atmosphere is present occasionally
2G
Equipment adapted to 1 areas
   
2D
Equipment adapted to 21 areas
2
22
Where an explosive atmosphere is present sporadically
3G
Equipment adapted to 2 areas
   
3D
Equipment adapted to 22 areas

All Camfil ATEX air filter solutions are certified for a use in ATEX zones Gas (Class 1 and 2) and Dust (Class 21 and 22) complying with European Standard EN 13463-2001 ”appendix C” Non- electrical equipment for potentially explosive atmosphere, as attested by Declaration of Conformity.

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