Definition of Ex d IIB T6 Gb
Ex d IIB T6 Gb is recognized internationally as a standard certification rating for explosion-proof electrical equipment.

Parameter Breakdown
| Parameter | Meaning |
|---|---|
| Ex | Explosion-proof mark |
| d | Flameproof enclosure |
| IIB | Medium-risk gas environments (e.g., ethylene) |
| T6 | Maximum surface temperature of 85°C |
| Gb | Equipment Protection Level for Zones 1 and 2 |
Application Fields
This rating is widely applied in chemical, oil and gas, pharmaceutical, and large-scale infrastructure sites, and is mandated as a compulsory national safety threshold.
