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    Plate mounted axial flow flameproof FANS
    HDB / HDT Series

    HDT/4-355 EXDIIBHT4 (230/400V50HZ)D VE

    Range of plate mounted axial flameproof fans. Mounting plate manufactured from galvanised sheet steel fitted with an internal aluminium ring and motor support manufactured from heavy gauge aluminium sheet. The whole assembly is protected by aluminium paint finish B-0920. Impellers manufactured from one piece die-cast aluminium with aerofoil profile fixed blades and finished in a high temperature paint coating (red colour).
    Available, depending upon the model, with single or three phase motors in 4, 6 or 8 poles.

    All motors are IP55, Class F insulation.
    All motors incorporate ball bearings greased for life.
    Electrical supplies:
    Single phase 230V-50Hz.
    Three phase 230/400V-50Hz.

    Additional information
    Standard air direction: form (A) configuration (Motor over Impeller).
    For the single phase motors, the capacitor is provided not fitted on the fan.
    It must be installed outside of the ATEX area or within an electrical main board complying with ATEX Directive.

    On request
    Air direction: form (B) configuration (Impeller over Motor) only for 450 and 560 models.
    HDT/4-355 EXDIIBHT4 (230/400V50HZ)D VE

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    ATEX versions HDT
    On request, explosion proof versions in accordance with ATEX Directive.
    For ambient working temperatures from -20ᄎC to +40ᄎC.
    - ATEX Flameproof-Gas
    II 2G Ex d IIB T4
    II 2G Ex d IIB+H2 T4
    - ATEX Dust
    Suspended flammable particles and non-conductive dust:
    II 3D Ex tc IIIB T125ᄎC
    Conductive dust:
    II 3D Ex tc IIIC T125ᄎC (with IP65 motor)
    To select HDT ATEX refer to performance curves or Easyvent.
    Note electrical data may vary for ATEX motors.
    Alternative ATEX motors, if available, may be filled- please refer."