Ventilation flaps arranged in a line can be operated by a single drive unit. One or more racks are connected by the drive unit to a 1“ tubular connection shaft compliant with DIN EN 10255. The racks pivot with the flap.
Up to 600 Nm of input power can be introduced to the system.
Strokes of up to 1800 mm and load ratings of up to 700 N per continous rack, with longer strokes or higher load ratings available on request.
External swivel bearing on the AZD / EZD product ranges.
Alternatively with scissor gear unit SGS. For use when rack cannot be located in room, and for low load ratings (e.g. conservatories).
Continuous system for gear unit AZD
Continuous system with SGS scissor gear unit
Continous system side ventilation with lowering flaps
Ventilation systems with lowering flaps or tarpaulin can be operated with one drive unit. An EWA power drive or an HWA manual drive can be used.
Actuation using EWA power drive or HWA manual drive. If ventilation shafts are located higher (HL > 1.50 m), with HKG manual chain drive.