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Labelling of explosion proof equipment Labelling of explosion proof equipment according to ATEX 2014/34/EU ClassificationClassification and labelling hazardous locations andoflabelling of hazardous locations Flammable medium
Classification Explosion & Temperature classes Classification Explosion groups &groups Temperature classes (gases, mists, vapours)
Hazardous locations Classification Product classification of hazardous Probability of a potentially explosive locations Product Product atmosphere occuring group category Continuously, for long periods or frequently
Zone 0
II
Likely to occur
Zone 1
II
Equipment protection level (EPL)
Explosion group
IIA IIB
Gases, mists, vapours
1G 2G
Dusts
Infrequently and for short periods only
Zone 2
II
Continuously, for long periods or frequently
Zone 20
II
Likely to occur
Zone 21
II
Gb 3G
Zone 22
Gc
1D
Notified Body (NB)
0102 0158
PTB (Germany) EXAM (Germany)
City gas Acrylic nitrile
Ethylene Ethylene oxide
Ethyl glycol Carbon hydrogen
Ethyl ether
Hydrogen
Acetylene
T1