Plate mounted axial flow flameproof fans
HDB / HDT Series
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.
Three phase 230/400V-50Hz.
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.
Air direction: form (B) configuration (Impeller over Motor) only for 450 and 560 models.
On request, explosion proof versions in accordance with ATEX Directive.
For ambient working temperatures from -20ºC to +40ºC.
- ATEX Flameproof-Gas:
In standard ATEX version flameproof motors are without thermal protection.
If used with frequency inverter, flameproof motors with a PTC-type thermal protection must be specified at order.
II 2G Ex d IIB T4
II 2G Ex d IIB+H2 T4
- ATEX Dust:
In standard ATEX version, ATEX motors for dust are without thermal protection.
If used with frequency inverter, ATEX motors for dust with a PTC-type thermal protection must be specified at order.
Suspended flammable particles and non-conductive dust:
II 3D Ex tc IIIB T125ºC
II 3D Ex tc IIIC T125ºC (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.
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