Octagonal casing is manufactured from seawater resistant aluminium. The base frame consists of hot-dip galvanised steel. Impeller with backward-curved blades is manufactured from steel and galvanized. For C4 (and up) corrosion category additional surface protection of exposed parts is recommended.

Motor cooling with fresh air via air duct. The motor protection is provided by customers. Service switch serial on cooling duct. For speed control use combination of frequency converter and appropriate Filter to motor side (sine or du/dt), respectively observe instructions. EMC shielded cable from motor to service switch serial built-in (please check wiring diagram for connection suitability).

- Motor outside of the air stream
- Vertical exhaust of media up to 120°C permanently
- Suitable for coastal applications
- Wide range of accessories
- IE3 high efficiency motor (single speed) motor inside
- PTC thermal protection serial built-in motor
- Sucking side connection acc. EUROVENT
- Sound attenuator available as accessory HSDV (preferable factory mounted, the marking of the fan with silencer is DVVI)