- Mounting frame made form galvanized drawn steel sheet, with a wide radius inlet cone. Models 630 and 710 feature a supporting frame made out of drawn steel sheet, coated in epoxy.
- Helical impeller with sickle-shaped blades featuring an aerofoil profile, made out of technopolymer(models 200-400) or die-cast aluminium alloy(models 450-710), coupled directly to the motor shaft, with airflow from motor to impeller.
- Inlet protection guard made out of steel rod, in compliance with EN ISO 12499 standard. Models 200,250,630 and 710 feature protection function and motor support. Models 310-560 feature a motor support bracket made from steel, powder coated in epoxy.
- External rotor , single-, or three-phase double speed(delta/star) motor, with built-in thermal protection.
- Standard configuration delivered as „partly completed machinery” as defined by Directive 2006/42/EC.
- Gravity shutter (S)
- Spacer made out of steel sheet, with epoxy coating (D)
- Impeller side protection guard, manufactured according to UNI ISO 12499 regulations, protected against atmospheric agents (R)
Reverse airflow version available upon request