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  • Adjustable blades

    at standstill
  • Ferrari axial fans

    Series ES
  • Ferrari axial fans

    Series EF
  • Ferrari axial fans

    Series EB

Ferrari axial fans

Series with direct drive
Adjustable blades (profile blades) at standstill

up to ~300.000 m³/h
up to ~3000 Pastat
adjustable blades (vanes / wings) at standstill
Housing also available in stainless steel or special steel
Air directions B (pushing over the motor) and A (sucking over the motor)
ATEX possible

Areas of application

  • Agriculture
  • Textile
  • Ceramics, bricks
  • Dust collection and filters
  • Energy and environmental industry
  • Pharmaceuticals and chemicals
  • Cement, asphalt
  • Oil, gas power plants
  • Food, mills
  • Marine
  • Painting plants
  • Wood
  • Tobacco
  • Filter plants
  • Metal industry
  • Burners
  • Paper, nonwovens
  • Glass
  • Assembly companies

The housings are made of steel or stainless and special steels and are painted, galvanised or otherwise coated.

Depending on the design, the air flow over the motor can be suction or pressure.

Conveying temperatures are standard from -20 °C to +40 °C. If required, these fans can also be designed for operation at lower and/or higher temperatures.

Operation in potentially explosive atmospheres can also be realised without any problems after prior design.

Available accessories:
Flanges, swirl controllers, butterfly valves, louvres, sleeves, suction-side filters, vibration dampers, protective grilles, inlet nozzles, mounting plates, housing feet

Series ES and EF
  • Ø 315-1400 mm
  • to 108.000 m³/h free-blowing
  • to 190 Pa
  • APPLICATION

    This series is particularly suitable for extracting clean air, vapours and gases - e.g. in heating systems, foundries, joineries, paper mills, chemical industry, brick and wood drying, radiator construction, cooling towers and transformers.

  • OPERATING TEMPERATURE

    253 K to 313 K (-20 °C to +40 °C)

  • DESIGN

    Direct drive, steel casing with deep-drawn inlet nozzle as standard and pressure-side flange to DIN 24154. Impeller made of explosion-proof die-cast aluminium with adjustable profile blades when stationary. All impellers are precisely dynamically balanced. Versions with diameter 1120 are stove enamelled. Versions with diameter 1120 and larger are supplied hot-dip galvanised as standard.

  • MOTOR

    3~, 230/400 Volt, 50 Hz, type B3 (foot motor). 2, 4, 6 or 8 poles, 0,12-30 kW. Other voltages and frequencies as well as special designs on request.

  • AIR DIRECTION

    Without specification is supplied as standard: via motor sucking = "A"; version via motor pushing = "B" must be specified.

Series EFR
  • Ø 250-800 mm
  • to 48.000 m³/h free-blowing
  • to 245 Pa
  • APPLICATION

    This series is particularly suitable for the extraction of clean air, vapours and gases (here especially for dusty or very humid air) - e.g. in heating systems, foundries, carpentry shops, paper mills, chemical industry, brick and wood drying, radiator construction, cooling towers as well as transformers.

  • OPERATING TEMPERATURE

    253 K to 313 K (-20 °C to +40 °C)

  • DESIGN

    Direct drive, steel casing with deep-drawn inlet nozzle as standard and pressure-side flange to DIN 24154 (on request). Impeller made of explosion-proof die-cast aluminium with adjustable profile blades when stationary. All impellers are precisely dynamically balanced. The use of a rectifier improves the technical data.

  • MOTOR

    Three phases, 230/400 volts, 50 Hz, 2 or 4 poles, 0.12-30 kW, type B5 (flange motor) or B14 without bonnet and cooling vanes. Other voltages and frequencies as well as special designs on request.

  • AIR DIRECTION

    Without specification is supplied as standard: Pressing via motor = "B"; Suction via motor = "A" must be specified.

Series EK, EQ and EP
  • Ø EK 315-560 mm
  • Ø EQ 315-1000 mm
  • Ø EP 315-630 mm
  • to 34.000 m³/h free-blowing
  • to 210 Pa
  • APPLICATION

    EK: These fans are particularly suitable for extracting flue gases as well as humid and dust-laden air and vapours.


    EQ: These fans are suitable for the ventilation and extraction of heat, smoke and stale air.


    EP: These fans are suitable for ventilation and for extracting heat, smoke and stale air.

  • OPERATING TEMPERATURE

    253 K to 313 K (-20 °C to +40 °C)

  • DESIGN

    Direct drive, steel casing with deep-drawn inlet nozzle as standard and pressure-side flange to DIN 24154. Impeller made of explosion-proof die-cast aluminium with adjustable profile blades when stationary. All impellers are precisely dynamically balanced. Motor support (type B5) is provided by protective grille as standard.

  • MOTOR

    Three-phase, 230/400 volts, 50 Hz, type B5. Other voltages and frequencies as well as special designs on request.

  • AIR DIRECTION

    Without specification is supplied as standard: Suction via motor = "A"; Push via motor = "B" must be specified.

Series ET and TA
  • Ø 400-1000 mm
  • to 34.200 m³/h free-blowing
  • to 550 Pa
  • AREA OF APPLICATION

    For room ventilation, to create pressure equalisation between the inside and outside of buildings or warehouses. In order to guarantee perfect performance in both pressure and suction operation, it must be ensured that an air volume corresponding to the extracted volume can flow in.

  • DESIGN

    Direct drive. This series is manufactured in two versions.

  • MOTOR

    Three phase, 230/400 volts, 50 Hz, type V6. Other versions on request.

  • VERSION "A"

    ET: Conventional shape of roof fan with base to facilitate installation. The casing has the shape of an inlet nozzle, which guarantees good performance data and a low noise level. Hot-dip galvanised finish and foul-weather bonnet eliminate the need for maintenance.


    TA: Conventional roof fan shape with base to facilitate installation. The housing has the shape of an inlet nozzle, which guarantees good performance data and a low noise level. Hot-dip galvanised design and foul-weather bonnet in GRP make maintenance unnecessary.

  • VERSION "B"

    ET: Basic version without base with pressure and suction side flange. Constructive without moulding of an "inlet nozzle" - the modified characteristics (see there) must be observed. Stove enamelled version with bad weather cover. Both versions are equipped with an impeller made of explosion-proof die-cast aluminium with 5 profile blades that can be adjusted when stationary.


    TA: Basic version without base with pressure and suction side flange. Constructive without moulding of an "inlet nozzle" - the modified characteristics (see there) must be observed. Stove-enamelled version with foul-weather bonnet in GRP.

  • MOTOR

    Three phases, 230/400 volts, 50 Hz, type V6. Other versions on request.

Series ES/H and EF/H
  • Ø ES/H 900-1800 mm
  • Ø EF/H 900-2000 mm
  • to 350.000 m³/h freiblasend
  • to 1100 Pa
  • APPLICATION

    ES/H: The design of these fans with a large inlet nozzle helps to minimise the noise levels in factories. This series is particularly suitable for extracting clean air, vapours and gases - e.g. in heating systems, foundries, joineries, paper mills, chemical industry, cooling towers and transformers.


    EF/H: This series is particularly suitable for sewage systems, dryer systems and for extracting dusty or humid air; i.e. wherever large quantities of air are to be conveyed at low and medium pressures. Main applications: foundries, cement factories, carpentry, drying plants, chemical and paint industries.

  • OPERATING TEMPERATURE

    253 K to 313 K (-20 °C to +40 °C)

  • DESIGN

    ES/H: Direct drive, steel casing with deep-drawn inlet nozzle as standard as well as pressure-side counterflange according to DIN 24154. Impeller with conical hub made of grey cast iron as well as with blade profile vanes adjustable at standstill. All impellers are precisely dynamically balanced. The casings are hot-dip galvanised as standard.


    EF/H: Direct drive, tubular model - steel casing with flanges on both sides to DIN 24154 and cleaning flap. Impeller with conical hub made of grey cast iron and steel bonnet as well as with impeller blades made of cast aluminium that can be adjusted at standstill. All impellers are precisely dynamically balanced. The casings are hot-dip galvanised as standard.

  • MOTOR

    Three-phase, 230/400 volts, 50 Hz, 4-, 6- and 8-pole, type B3. Other voltages and frequencies as well as special designs on request.

  • AIR DIRECTION

    Without specification is supplied as standard: Suction via motor = "A"; Push via motor = "B" must be specified.

Series EFR.../P
  • Ø 560-1600 mm
  • to 265.000 m³/h free-blowing
  • to 350 Pa
  • APPLICATION

    This series is particularly suitable for the extraction of clean air, vapours and gases (especially in the case of dusty or very humid air) - e.g. in heating systems, foundries, joineries, paper factories, chemical industry, brick and wood drying, radiator construction, cooling towers and transformers. This series is particularly low-noise.

  • OPERATING TEMPERATURE

    253 K to 313 K (-20 °C to +40 °C).

  • DESIGN

    Direct drive, steel casing with deep-drawn inlet nozzle as standard as well as pressure-side flange according to DIN 24154 (on request). Impeller with conical hub made of grey cast iron as well as vane profile blades adjustable at standstill. All impellers are precisely dynamically balanced.

  • MOTOR

    Three-phase, 230/400 volt, 50 Hz, 2-, 4-, 6-pole, type B5 or B14 without bonnet and cooling vanes. Other voltages and frequencies as well as special designs on request.

  • AIR DIRECTION

    Normally the fan is supplied with air flow from the impeller to the motor.

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