Roof ventilator belongs to the group of industrial ventilators and its construction classifies it to centrifugal ventilators with vertical air exhaust. Ventilators may be mounted on roofs, where due to small room, air supply is near the ventilator.
WDEx ventilator is intended for use in ventilation of rooms where presence of explosive atmosphere caused by gases, vapour or fog classified as zone 1 is possible. Unit of group II, category 2, gas explosive atmosphere G, protection through construction safety “c”, temperature class T3. Maximum flow rate is up to 10000 m3/h, and the ambient temperature range is from -20 up to +40 ˚C