These are propeller type and are used for general ventilation.
Exhaust fans are used to remove the heated air and fumes from ovens, workroom, kitchen etc and are also used for ventilating commercial buildings.
Exhaust fans are of two types :-
- Light Duty Fans : It consists of totally enclosed single phase motor and the impellers are dynamically balanced for trouble free operation. They are used in offices, cabins, kitchens, bathrooms etc.
- Heavy Duty Fans (Ring Mounted) 12” to 48” : The fans are specifically designed for industrial/Commercial use.
The body is constructed of a heavy mild steel, blades are broad. In order to discharge large volume of air for smooth operation.
Single phase/3 phase motors with condensers are fitted within the dome shape.