ATEX refers to hazardous areas, as well as to the regulations concerning the use of equipment and protection systems in such atmospheres.
A hazardous area may contain an explosive mixture of air and flammable substances in the atmosphere, in the form of gases, vapours or dust whose ignition may lead to combustion spreading throughout the entire unburned mixture.
The regulations regarding risk prevention in explosive atmospheres are as follows:
- Concerning equipment and protection systems intended for use in potentially explosive atmospheres.
- Concerning the protection of the health and safety of workers exposed to risks arising from the presence of explosive atmospheres in the workplace.
- International regulations: IEC 61241 and IEC 60079.