ATEX regulations

ATEX is an abbreviation for "ATmosphères EXplosives" or "explosive atmospheres" in English. It is also the abbreviated designation of the European Directive 2014/34/EU for the distribution of explosion-protected electrical and mechanical equipment as well as components and protective systems. It replaced the former directive 94/9/EU, which was in effect from July 2003 until April 2016, and has since been applied to all new equipment and protective devices.

ATEX 2014/34/EU

Manufacturer responsibilities:

  • Requirements for equipment and protective systems intended for use in potentially explosive atmospheres (e.g. gas detectors)
  • Requirements for safety and control devices that are used outside potentially explosive atmospheres but are necessary for safely operating equipment and protective systems (e.g. controllers)
  • Classification of equipment into categories
  • Essential Health and Safety Requirements (EHSRs) relating to the design and construction of equipment/systems

To comply with the ATEX Directive, equipment has to

  • be marked with a CE mark
  • hold the required hazardous area certification
  • comply with a recognized performance standard (e.g. EN 60079-29-1:2007) for detectors for combustible gases (application specific)
  • be delivered including an EC Declaration of Conformity confirming that the essential health and safety requirements have been met and that the conformity assessment procedures have been followed
  • come with an operating manual complying with the guidelines
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