FRM radial fans with direct drive

Radial fans with backward curved blades in straight design. Made of carbon steel protected against corrosion with cataphoresis primer and polyurethane RAL 7045 finish.

Standard design
Design 4: Straight. Impeller directly mounted on the motor shaft. The B3 motor is supported by a stool. Max. conveyed air temperature is 100°C.
All fans are supplied in RD270 orientation only, with handles and wheels for repositioning, with transition to circular duct on discharge and grille on discharge.

Motors
Motors 2 pole, high efficiency, three phase 230/400 V/50 Hz up to and including motor size 112 and 400/690 V/50 Hz for larger sizes. Protection class IP55, insulation class F.

Constructions
The fan is supplied with or without a start panel. The panels are designed for 400 V connection.
For outputs of 0.55 to 4 kW, starting is done by direct connection, for outputs of 5.5 to 18.5 kW by star-delta connection.