Roof Mounted Axial Flow Fans
HGTT-V Series


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Roof mounted axial flow fans, with vertical air discharge configuration, for air extract.
Casing formed from rolled sheet steel welded on the base with a corrosion resistant hot dipped galvanized finish to EN 1461. Corrosion category C4.
Backdraft shutter and bird proof outlet guard. Cylindrical casing formed from rolled sheet steel protected against corrosion by grey polyester paint coating. Corrosion category C3H.
Variable pitch angle impeller, dynamically balanced to ISO 14694: G6.3, made from high grade aluminum blades locked within a pressed sheet steel hub.
Electrical isolator IP65 fitted to fan casing.
Three phase motor, IP55, Class F.
Standard operation temperature range -20ºC to +40ºC.

Single speed 4 pole.
IE3 efficiency category from 0,75kW onwards, IE2 minimum for lower kW motors. Not applicable to 8 pole or two speed motors.
220-240/380-415V-50Hz up to 3 kW.
380-415V-50Hz, for higher power motors and two speed motors.
Suitable for inverter control.
(60Hz version available in EasyVent).

Additional information
Standard air direction Motor-Impeller (Form A).

On request
Single speed 6 pole motors.
Two speed motors in 4/6, 4/8 and 6/12 poles.
Motors with PTC thermistor or heating resistors.
Paint finish to RAL colour.

Check EasyVent to select the most suitable configuration for the installation, and obtain the corresponding datasheet.


  • HGTT-V.bdp506

    Electrical isolator.

  • HGTT-V.bdp487

    Outlet guard
    Outlet guard protection.

  • HGTT-V.bdp481

    Support base
    Base for roof installation.

  • HGTT-V.bdp531

    Inlet flange
    Flange for duct connection or bellmouth inlet.

  • HGTT-V.bdp501

    Form (A) configuration
    Standard air direction: form (A) configuration (Motor over impeller).

  • HGTT-V.bdp496

    Web support
    To strengthen base support. Model 1250 only.

  • HGTT-V.bdp549

    Back draft shutter
    Prevent back draft of air and entrance of rain water when the fan is switched off.

  • pdf_ins1 Ins_HGHT_HGTT 2.12Mb
  • Product Datasheet EN_HGTT-V 1.85Mb

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