State-of-the-art square-frame fans featuring flexible mounting positions, multiple airflow directions and connections for both square and circular ductwork. Capable of handling airflow volumes from 300 to 28,000 m3/h under static pressures of up to 2,500 Pa.

Essential characteristics:

  • Maximum airflow temperature:

    • Up to 80 °C for AC motor versions and 50 °C for EC motor versions

  • Design:

    • For use in non-explosive atmospheres, available with AC or EC motors
    • For use in Zone 1 explosive atmospheres, available with an AC motor

  • Material:

    • Galvanised sheet steel (Z)
    • Galvanised sheet steel with enamel coating (E)
    • Stainless steel: AKV1 for food processing, AKV2 for chemical applications (AKV stands for austenitic stainless steel)

    Materials and components used

  • Size range:

    • 225, 250, 280, 315, 355, 400, 450, 500, 560, 630

    RFU dimensions

  • AC and EC motor variants located outside the airflow path
  • For standard atmospheres: frequency inverter-controlled AC motors or EC motors.
  • For explosive atmospheres: Ex-rated AC motor with frequency inverter
  • Composite impeller with backwards-curved blades
  • The housing is fully symmetrical, allowing universal installation without left/right orientation.
  • Extensive accessory options available: refer to Accessories
  • Multiple installation options: refer to Standard Installation Types

Performance characteristics

References and documents

Take a look at our completed projects. We have extensive experience in implementing HVAC, ventilation, air extraction and cooling projects and in many other areas. Documents are also available for download.

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