Certification boundary: only the motor certificate and marking supplied for the selected motor may be described as ATEX certified. Fan assembly conformity requires a separate assessment and valid evidence for the complete configuration.
ATEX project data schedule
| Required field | Project definition |
|---|---|
| Zone | 1 / 2 or 21 / 22 — project input |
| Hazard | Gas or dust — project input |
| Equipment category | 2G / 3G or 2D / 3D — motor certificate |
| EPL | Gb / Gc or Db / Dc — motor certificate |
| Group | IIA / IIB / IIC or IIIA / IIIB / IIIC |
| Temperature class | T1–T6 or maximum surface temperature |
| Motor Ex protection | Ex db / Ex eb / Ex ec / Ex tb — exact certificate |
| Ambient range | Motor certificate + project condition |
| Electrical data | Voltage, phase, frequency, VFD compatibility |
| Fan construction | Materials, clearances and spark-risk review |
| Evidence status | Motor certificate available; complete fan not certified |
Selection and release process
- Confirm classified zone and hazardous substance.
- Select the base RAFAVENT fan from the required airflow and pressure.
- Select the certified Ex motor from its certificate and marking.
- Review materials, clearances, earthing, guards and control method.
- Issue the project submittal with a clear certification boundary.