BACKWARD BLADES IMPELLER - DIRECT DRIVE
FR-N

FR-N

61-FR-N
  • 61-FR-Nbdp532
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FR-N

Direct drive, single inlet centrifugal fan. Manufactured from carbon steel protected with cataforesis primer + polyurethane paint finish RAL 7045.
Working temperature range: -20ºC/+100ºC continuously.

Standard arrangements
• Arrangement 4: Impeller mounted on the B3 motor shaft supported by the pedestal. Version with cooling disk up to +220°C.
• Arrangement 5: Impeller mounted on the B5 motor shaft fitted on the casing sideplate. Version with cooling disk up to +220°C.
• Arrangement 8: Flexible coupling that connects the motor to the fan shaft. Version with cooling disk up to +300°C.

Motors
2, 4 or 6 pole, IE3* high efficiency, three-phase 230/400V 50Hz up to motor size 112 and 400/690V 50Hz for higher motors. IP55 protection, class F.
*From 75kW to 200kW, the motor will be IE4.

On request
• Manufactured from different materials.
• 60 Hz versions.
• Painted in different RAL colour.
• Hot dip galvanized static parts.
• Corrosion proof construction.
• Wear proof construction.
• Motors for special applications.
• Motors suitable for VSD.
• Accessories: Flexible joints, inspection door, casing drain, AV-mounts, protection nets, filter, silencer, inlet discharge governor, valves, dampers.
• Gas tight construction.
• Thermal insulation.

ATEX

ATEX versions
On request, explosion proof versions in accordance with ATEX directive for three phase models:
Ambient temperature -20°C to +60°C, ambient pressure (abs.) 0,8 bar to 1,1 bar according to EN 14986.

• Gas:
2G IIB T2-T3-T4, Motor Exd IIB or ExeII
2G IIB+H2 T2-T3-T4, Motor ExdIIc
3G IIB T2-T3-T4, Motor ExnA (only for 3G zone)
3G IIB+H2 T2-T3-T4, Motor ExnA (only for 3G zone)

• Non-conductive dust
2D IIIB T125°C-T135°C-T195°C-T295°C
3D IIIB T125°C-T135°C-T195°C-T295°C

• Conductive dust (compulsory IP 65 motor):
2D IIIC T125°C-T135°C-T195°C-T295°C
3D IIIC T125°C-T135°C-T195°C-T295°C

Attributes

  • 61-FR-Nbdp506

    Backward curved impeller