DFM centrifugal fans with belt drive

Information

Optional suction radial fan with belt or clutch driven motor. Made of steel sheet protected with cataphoretic primer and polyurethane varnish. Designed for continuous operation, air temperature from -20 °C to +40 °C (up to +60 °C if C3 bearings are used).

Mounting assemblies:
- PROVISION 6: Impeller mounted by shaft in bearings on both sides of the spiral casing.
- PROVISION 17: For clutch, same as version 6 but with motor base.
- CONVENTION 18: Same as version 6, but fan and motor on common frame.
- PROVISION 19: Same as version 6, but with motor supported by cabinet design.

Motors:
2, 4 or 6 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:
Optionally available on request in 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:
3G IIB T2-T3, ExnA motor (only for zone 3G)
3G IIB+H2 T2-T3, ExnA motor (only for zone 3G)