LOCK BEWEGT // LOCK MOVES 2 Ventilation types CHAPTER 01 – APPLICATIONS 2023 | 06 Butterfly ventilation > On industrial premises, buildings, sheds, greenhouses and similar constructions, one drive system can open up continuous ventilation down either side of the roof. > With side ventilation, one drive unit opens a full-length raising-lowering ventilation system or one ventilation flap. > Here you will find the ZSG, AZD and EZD ranges of rack & pinion units in operation. Open-Roof ventilation > Entire roof can be opened (Open-Roof type C), see page 4. > With roof ventilation, a drive system opens full-length ventilation flaps down both sides of the roof. The drive unit powers several reversing gear units. > With side ventilation, one drive opens full-length raising-lowering ventilation or a ventilation flap. > These are typical applications for the ZSG, AZD and EZD ranges of rack drives. Multitunnel ventilation > With roof ventilation, one drive system opens a full-length ventilation flap. > These are typical applications for the ZSG, AZD and EZD ranges of rack drives. > By linking up reversible gear units in series, several tunnels (‘multitunnels‘) can be operated. Here we illustrate different types of ventilation, of the kind found on buildings, animal sheds or greenhouses. Ventilation types for continous system
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