AS-K air curtain – Freezer rooms

No heat

Electric heat

EC Fan

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Optimal thermal protection with our air curtains for openings of medium and large cooling and freezing rooms

For medium and large freezer rooms, the AS-K air curtain is the right choice. Available in several performance versions with or without electric heating and customized dimensions. The air curtain consists of a standalone fan unit and air curtains outblow plenum connected with duct. Outblow plenums based upon Special nozzles with knife jet technology provide high efficiency and effective air control in different temperature zones.

AS-K air curtain – Product information

Flexible Installation, and Energy-Efficient air curtain solutions for freezer rooms

Air curtain drums

For AS-K freezer rooms, air curtain drums are available in sizes from ⌀250 to ⌀400.

For smaller or larger airflows, we offer standard air curtains S. ⌀250, S. ⌀315, and S. ⌀400. We also have circular air curtain drums (C. ⌀250, C. ⌀315, and C. ⌀400) for specific installation requirements, as well as square and rectangular models (F.250, F.315, and F.400) to suit unique conditions. For installations with limited height, such as between a suspended ceiling and a doorway, we can design air curtain drums with a low overall height.

We also offer flexibility in installation. The spiral duct from the fan unit can be connected to any point on the air curtain drum, and the drum can be equipped with an extended nozzle for easy integration with suspended ceilings.

Contact us:

if you have special installation requirements, do not hesitate to contact us. We will gladly help you find the perfect air curtain solution.

Key features of the air curtyain

  • Choose from five different sizes of fan units, with capacities ranging from 3500 m³/h up to 7000 m³/h.
  • Install side-blowing or overhead air curtains, depending on your preferences and needs.
  • The standalone fan unit delivers high performance to ensure efficiency and reliability.
  • The advanced airstop technology provides effective control of the air jet.
  • Choose between electric heating or without heating.
  • The unit has the capacity to operate one or more air curtains, providing increased flexibility.
  • Suitable for door heights of up to approximately 5 meters.
  • Available in any RAL color or in stainless steel finish.

AS-K air curtain – Technical Data

AS 531K air curtainAS 535K air curtainAS 40K air curtainAS 45K air curtainAS 50K air curtain
Installation typeFanbox with air curtain drumFanbox with air
curtain drum
Fanbox with air curtain drumFanbox with air curtain drumFanbox with air curtain drum
Max door height5 meter5 meter5 meter5 meter5 meter
Standard color (Air curtain drum)RAL 9010RAL 9010RAL 9010RAL 9010RAL 9010
Standard material (Fanbox)GalvanizedGalvanizedGalvanizedGalvanizedGalvanized
Length OL – air curtain drum (**)Door width + approx. 100mmDoor width + approx. 100mmDoor width + approx. 100mmDoor width + approx. 100mmDoor width + approx. 100mm
Length DS – air curtain drums (**)Door height + approx. 50mmDoor height + approx. 50mmDoor height + approx. 50mmDoor height + approx. 50mmDoor height + approx. 50mm
Diminsion OL – air curtain drum (***)250mm315mm315mm400mm400mm
Diminsion DS – air curtain drum (***)250mm250mm250mm315mm315mm
Length (Fanbox)See drawingSee drawingSee drawingSee drawingSee drawing
Height (Fanbox)See drawingSee drawingSee drawingSee drawingSee drawing
Depth (Fanbox)See drawingSee drawingSee drawingSee drawingSee drawing
Airflow3 500 m³/h4 000 m³/h5 000 m³/h6 000 m³/h7 000 m³/h
NozzleAirstopAirstopAirstopAirstopAirstop
Voltage V400400400400400
Power motor kW2,52,52,33,55,2
Motor current A3,93,83,55,48
Frequency Hz5050505050
IP5454545454
(*) The possible height of the door depends on its width.
(**) Horizontal air curtain drum = OL and Double standing air curtain drums = DS
(***) Diameter = Connection size of the air curtain drum