11
4.5 Use in Ex hazard area
Marking DustEx:
II 1D Ex maD iaD 20 T120 °C
- Group of equipment 2
- Equipment category: 1
- Zone 20
- For combustible mixtures from air and inflammable type of dust
- Allowable process temperature 0 ... 80 °C
- Maximum surface temperature 135 °C with Ta = 60 °C
Marking GasEx:
II 1G Ex ma ia CII T4
- Group of equipment 2
- Equipment category: 1
- Zone 0
- For combustible mixtures from air and inflammable type of gas
- Allowable process temperature
0 ... 80 °C
- Maximum surface temperature 135 °C with Ta = 60 °C
Ex hazard area
DustEx zone 20
GasEx zone 0
No ex hazard area
Tmax = 80 °C
Tmax =
80 °C