The roof ventilators of the DV 30 series with horizontal air output are suitable for discharging non-dusty air and other non-aggressive gases or vapours at temperatures between -20 C and +40 C. The rectangular housing of galvanised steel plate has two outlet openings opposite one another. They are covered by flow-optimised weather guard grids, from which the air emerges horizontally, with high directionality and without swirl.
All roof ventilators are supplied ready to connect, with inspection switch
