Lighting fixtures for incandescent or halogen lamps

These equipment are suitable to be installed in places in which, during the
normal activities, explosive atmosphere caused by gases, vapours, mists or
caused by mixture of air and combustible dust are likely to occur.
They type of protection flameproof “d”.
They are normally used for uniform illumination of a product to be under
supervision, of its level inside a boiler, tanks, bunkers, silos, pipelines and
other containers that normally are closed.