Ventilator WDEx to ventilate the rooms, in which comes out the possibility of appearing of the exploding atmospheres caused by gases, fog or mists or haze classified as zone 1. Installation of the group II., category the 2., gas exploding atmosphere G, protection with the help of construction safety "c", temperatures class the T3. Maximal flow takes 10000 m3/h, by the temperature outside -20 +40 ˚C.
