Taking into account both the environmental temperature and the heating effect, the temperature may attain maximum values which corresponds to the temperature class or the permissible temperature specified for flammable dusts in accordance with which the explosive atmosphere has been classified.
Taking into account both the environmental temperature and the heating effect, the temperature may attain maximum values which corresponds to the temperature class or the permissible temperature specified for flammable dusts in accordance with which the explosive atmosphere has been classified.