The casings are manufactured from high grade rolled sheet steel protected against corrosion by grey epoxy-polyester paint finish.
All models incorporate one piece die-cast aluminium impeller.
The impellers are finished with red colour epoxypolyester paint coating.
Available, depending upon the model, with three phase motors in 2, 4 or 6 poles.
All the motors are IP55, Class F insulation.
Electrical supply:Three phase motors 230/400V-50Hz.
Motor isolated from the air stream
Motor isolated from the air stream in a tunnel between the “split” fan casing. The motor is cooled by an impeller mounted on the non drive end of the motor.
Dynamically balanced impellerImpellers are dynamically balanced, according to ISO 1940, providing vibration free operation and coated with a special low friction paint repelling the dirtiness.