Selection program


Centrifugal fan-GFB

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This selection program is provided in cooperation with Venture Industries.

Centrifugal fan-GFB


The fan is designed for transport systems of non-aggressive and non-explosive gases without contamination. Typical applications:

Various mechanical ventilation systems,
air presses in production processes,
cooling and drying systems,
cooling and air-conditioning systems,
ventilation units.


Low pressure centrifugal fan with direct drive,
impeller made of galvanised sheet steel with forward inclined blades welded, dynamically balanced according to ISO 1940-1 (stainless steel sheet 1.4301 for size 97),
welded sheet steel casing,
galvanised inlet cover,
base for the motor in models 250-400 and 4/225,
The fan is painted blue RAL 5010
(corrosivity category C3),
Maximum temperature of the pumped medium 80°C,
motor ambient temperature from -20°C to + 40°C,
Figure LG90 in models 4/250, 4/315 and 6/315,
Figure LG270 in other models.

Electric motor

asynchronous, single-phase, 230 V, 50 Hz (power up to 1.1 kW),
    asynchronous, three-phase, 230/400 V, 50 Hz (up to 3 kW),
    asynchronous, three-phase, 400/690 V, 50 Hz (from 5.5 kW),
    Efficiency class IE3 (from 0.25 kW) or IE1 (below 0.25 kW),
    protection class IP55,
    insulation class F,
    for frequency control (three-phase motors).

Special designs

each LG / RD figure,
    Painting in a colour other than the standard,
    Painting in a higher corrosivity category,
    Housing and base made of galvanised sheet steel,
    Housing and base in stainless steel 1.4301,
    enclosure and base in acid-resistant steel 1.4404,
    Motor for other than standard voltage and mains frequency,
    single-phase motor adapted to voltage regulation,
    motor with a different degree of IP protection,
    motor equipped with sensors or additional cooling,
    Sealing between housing and motor (boiling),
    Motor ambient temperature below -20°C and above + 40°C.

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