Class 1 Div1
Class I Division 1 refers to a hazardous location where flammable gases, vapors, or mists are present continuously, intermittently, or under normal operating conditions in concentrations that can ignite.
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Highlights
ATEX & IECEx Certification Codes
- ATEX: II 2G Ex ia IIC T4 Gb
- IECEx: Ex ia IIC T4 Gb
- Class I – Hazard due to flammable gases or vapors (e.g., hydrogen, methane, propane, gasoline vapors)
- Division 1 – The hazard exists during normal operations or may exist frequently due to maintenance, leaks, or process conditions
- Oil & gas refineries and wellheads
- Chemical processing plants
- Fuel storage and transfer areas
- Paint spray booths
- Solvent handling and mixing zones