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GFB - Centrifugal fan


Centrifugal fan

Low-pressure radial fan with direct drive, designed for transporting non-aggressive and non-explosive gases without pollution.
Can be painted in a color
other than standard
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Fan designed for transporting non-aggressive and non-explosive gases without contomination. Typical applications:

  • various mechanical ventilation installations,
  • air pumping in production processes,
  • cooling, drying systems,
  • refrigeration and air-conditioning equipment,
  • air handling units.


  • low-pressure centrifugal fan with direct drive,
  • the impeller is welded from galvanized steel sheet with forward curved blades, dynamically balanced according to ISO 1940-1, (stainless steel sheet 1.4301 for size 97),
  • the housing is made of welded sheet steel,
  • protective mesh at the inlet,
  • motor stand in 250-400 models and in the 4/225 model,
  • fan painted blue RAL 5010 (corrosivity category C3),
  • maximum temperature of the transported medium is 80°C,
  • ambient temperature range from -20°C to +40°C,
  • figure LG90 in 4/250, 4/315 and 6/315 models,
  • figure LG270 in other models.


  • asynchronous single-phase 230V 50Hz (power to 1,1kW),
  • asynchronous, three-phase 230V/400V 50Hz (power to 3kW)
  • asynchronous, three-phase 400V/690V 50Hz (power from 5,5kW),
  • efficiency class IE3 (power from 0,25kW), or IE1 (power to 0,25kW),
  • degree of protection IP55,
  • insulation class F,
  • three-phase motors are adapted for frequency converter.


  • optional configuration LG/RD,
  • color other than standard,
  • painting in higher category of corrosivity,
  • housing and support made of galvanized steel sheet,
  • housing and support made of stainless steel 1.4301,
  • housing and support made of acid-proof steel 1.4404,
  • motor with voltage and frequency of power different than standard,
  • motor with other than standard degree of protection,
  • motor equipped with sensors or additional cooling,
  • sealing between the housing and the motor,
  • ambient temperature range below -20°C and above +40°C.

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Venture Industries Group