Parameter Breakdown
The technical parameters of the Ex d IIB T4 designation are systematically analyzed below. This classification is widely utilized by industrial facilities to ensure proper equipment selection in hazardous environments.
| Code | Classification | Meaning |
|---|---|---|
| Ex | Explosion-proof Mark | General explosion-proof designation |
| d | Protection Type | Flameproof enclosure |
| IIB | Equipment Class & Gas Group | Class II equipment for non-mining explosive gas atmospheres; ethylene as representative gas |
| T4 | Temperature Class | Maximum equipment surface temperature below 135°C |
Safety Warning: The Ex d IIB T4 standard must be strictly adhered to. Such equipment is restricted from underground coal mines and is safely deployed only in compliant Group IIB atmospheres.
