KB centrifugal fans with direct drive

Information

Single suction radial fan with direct motor. Made of steel sheet protected with cataphoretic primer and polyurethane varnish. Designed for continuous operation, air temperature from -20 °C to +60 °C.

Motors:
2 pole, IE 3* high efficiency, three phase design 230/400 V, 50 Hz up to motor size 132. For motor sizes above 132 400/690 V, 50 Hz. Protection IP55, insulation class F.
* From 0.75 kW the motor can be IE 2 and controlled by a frequency converter.

On request:
- stainless steel and other materials
- two-speed motors
- 60 Hz version
- painted in various RAL colours
- fan without base (version 5) up to motor size 160
- high temperature version (up to 150 °C, version B with cooling disc)
- fan with clutch drive (version 8)
- inspection door, condensate drain, shaft seal
- welded spiral housing
- thermally insulated spiral housing

ATEX design:
Optional explosion-proof design according to ATEX directive for three-phase motors and for ambient atmospheric conditions as defined by EN 14986. Temperature range -20 °C to +60 °C, absolute pressure 0.8 to 1.1 bar.

- Gas:
2G IIB T2-T3-T4, motor ExdIIB or ExeII
2G IIB+H2 T2-T3-T4, motor ExdIIC
3G IIB T2-T3-T4, motor ExnA (only for zone 3G)
3G IIB+H2 T2-T3-T4, motor ExnA (only for zone 3G)
- Non-conductive dust:
2D IIIB T125°C-T135°C-T195°CT295°C
3D IIIB T125°C-T135°C-T195°CT295°C
- Conductive dust (mandatory IP65 motor):
2D IIIC T125°C-T135°C-T195°CT295°C
3D IIIC T125°C-T135°C-T195°CT295°C