Use :
Draws fresh air in and expels smoke. Designed for use in commercial and industrial buildings.
Description :
Short (standard) or long (optional) galvanised steel casing
Multiblade aluminium impeller with adjustable-pitch blades (adjustable when rotor has stopped)
Two-piece cast aluminium hub allows blade pitch to be adjusted when rotor has stopped
Internal motor support
Single-speed motor (three-phase, 230/400V, 50 Hz) or two-speed motor (three-phase, 400 V, 50 Hz), IP55, coupled directly to hub
Numerous accessories