PORTAL 300 – low-profile fan unit

Water heat

EC Fan

Masterveil Portal 300 air curtain unit recessed in the ceiling and 2 side-blowing curtain housings in stainless steel.
Masterveil Portal 300 air curtain unit concealed above the ceiling and 2 side-blowing curtain housings.
A close-up of the air curtain unit for Masterveil Portal 300, constructed with galvanized sheet metal.

Compact and efficient air curtain with advanced Airstop technology

Portal 300 represents a successful fusion of the power of fan box models in a streamlined design. Here, the best of two different technologies is combined to create an exceptional solution. In addition to this, we have developed an air curtain that is not only powerful but also quiet.

Product information

Customizable portal with Airstop nozzle technology for superior air curtain performance

The elegant box is equipped with a fan, water battery, and panel filter. The box connects to double vertical air curtain outblow plenums and can be customized according to the desired width and height. It can be mounted as part of the ceiling, above the ceiling, or as a completely standalone unit.

The Portal is equipped with our unique special Airstop nozzle with knife jet technology, providing higher efficiency than traditional air curtains.

Key features

  • Compact air curtain unit.
  • Easy maintenance service from below.
  • Horizontal placed unit with side-blowing drums.
  • Special nozzle with knife jet technology.
  • Quiet operation with excellent resistance.
  • Option to mount the air curtain unit upright.
  • Suitable for door heights of up to approximately 2.8 meters and a width of up to approximately 2.7 meters.
  • Available in any RAL color or in stainless steel finish.

Discover the Portal, your solution for effective climate control with advanced technology. Contact us for customized options that meet your specific needs.

Technical Data

Portal 300-4.16
Installation typeFanbox with side blowing air curtains
Max door height (*)2,8 meter
Standard colorRAL 9010
Length DS-curtain drums (**)Door height + approx. 50mm
Diminsion DS-curtain drums (***)250mm
Length (Fanbox)2000mm
Height (Fanbox)300mm
Depth (Fanbox)900mm
Airflow4300m³/h
NozzleAirstop
Voltage V230
Power motor kW2,9
Motor current A12,8
Frequency Hz50
IP54
(*) 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