Fan air flow
50 Hz:
4 poles – up to 294 000 m³/h
6 poles – up to 236 000 m³/h
60 Hz:
6 poles – up to 256 000 m³/h
8 poles – up to 218 000 m³/h
Pole number:
4, 6, 8, 4/6, 4/8
Motor power
50 Hz:
4 poles – up to 132 kW
6 poles – up to 75 kW
8 poles – up to 55 kW
60 Hz:
6 poles – up to 90 kW
8 poles – up to 75 kW
The fans are used:
The fans are rated for continuous operation at ambient air temperatures from -60 °C up to +50 °C (depends on climatic category, see the Designation key).
The fans are able to operate 2 hours at the temperatures +300 °C and +400 °C.
The fans with a fire resistance class of 200 °C/2 hours can be produced on special request.
The metal casing with rolled flanges helps achieve outstanding rigidity and minimum clearances between the casing and the blades. There is an inspection hatch in the casing for easy maintenance.
All the casing components are powder coated for improved protection against the environmental effects.
The fan casing can be hot-dip galvanized on request.
The fan can be equipped both with a standard and a shortened casing.
The fans are equipped with three-phase (400 V, 50 or 60 Hz) single-speed or two-speed electric motors with IE3 energy efficiency class on request.
Motor ingress protection rating is IP55.
Power of applied electric motors:
Aerodynamic impeller blades ensure high efficiency of the fan while keeping noise well under control.
The impellers are dynamically balanced.
Low weight and low moment of the impeller inertia help reduce the fan start-up time.
The fan blades can be made of the following materials:
For smoke extraction fans, only impellers made of die-cast aluminium or steel are used, capable of operating according to the selected fire resistance class of the unit.
Please confirm the blade material while placing your order.
The fans can be mounted on any flat surface or directly into a ventilation duct.
The units are suitable for both horizontal and vertical configurations.
In-duct installation requires flanges to attach the fan to the ductwork.
To attach the fan to the floor, a wall or the ceiling use the O-VO carriers (not included as standard, should be purchased separately).
The units are suitable for installation on rooftops to provide direct supply of outdoor air to the stairway areas.