Fibreglass roof.

Base for securing to the roof.

Use: the exhaust asial towers are suitable for the suctin of vitiated air flue gases and vapour from the environment.They are very useful during the summer season in those environments where air changes are necessary in order to keep the room ventilated.
They are also used for the aeration of workshops, founderies, cement factories, tanneries, joineries, and for chemical mechanical and metallurgical industries where big air volumes have to be sucked at low pressure.

Minimum working temperature - 20 °C, maximum + 60 °C.

Tower. The outside structures is of pressed steel sheet with double perforate flange for anchorage on the roof or at the end of a pipe, complete with bracket for placing the driving motor.
Diecast helical rotor in lighy alloy (spark-proof) with ring countour blades dynamically balanced, assembled caantilevered on the driving shaft. The rotor’s blade angle is adjustable when the fan is stopped for the types from 710 to 1000.
Rain shielding roof which can be disassembled, made of fiberglass-reinforced plastic (polyester resin). The air direction is from the motor to the rotor, (it is always prossible to invert the airflow, i.e. from the rotor to the motor, by inverting the rotation of the motor, by disassembling the rotor and reassembling it overturned).
Special executions on request. Painting of the outside structure with acid and rust-proof paint. Spark-proof unit with explosion-proof motor.
Accessories on request. Anchorage base. Automatic opening shutters with the passing of the airflow.


Characteristics:   V = 8.000÷41.500 m3/h      |       Pt = 6÷35 kg/m2

ErP: these fans are covered by Directive 2009/125/EC


Installed Motor Power
Rotation Speed
Volumetric Flow
V = m³/min
Discharge Pressure
Pt = kg/m² (mm H2O)
Inlet Flange
Outlet Flange
int. mm
560/A 560 80 B - 4 p 0,75 1380 143 - 190 22 - 12 560 560x0
630/A 630 80 A - 6 p 0,37 930 112 - 165 12 - 5 630 630x0
630/B 630 90 S - 4 p 1,1 1400 170 - 250 28 - 12 630 630x0
710/A 710 90 S - 6 p 0,75 930 170 - 245 18 - 8 710 710x0
710/D 710 100 L - 4 p 2,2 1420 245 - 335 35 - 14 710 710x0
800/A 800 90 L - 6 p 1,1 930 230 - 350 20 - 8 800 800x0
800/D 800 100 L - 4 p 3 1420 370 - 470 35 - 16 800 800x0
900/A 900 112 M - 6 p 2,2 950 310 - 485 25 - 12 900 900x0
1000/A 1000 132 S - 6 p 3 950 400 - 600 28 - 12 1000 1000x0


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