AC-A & AC-B

Ring axial fans

Catalogue and Accessories Page from official catalogue
1.01 Mb - file pdf

The fans of the AC series are suitable for the ventilation in residential, commercial and industrial buildings in which are requested relevant air deliveries without canalization.

They are also suitable as OEM in a wide variety of applications. With the addition of a suitable wall mounting square frame adaptor, the AC fans (from size 800 to 1250) can be converted in a wall mounted fan (like QC range).
The series includes 2 versions: AC/A and AC/B, with impeller diameter from 300 a 1250 mm and different motor polarity. The AC-A model has a shaped cone in the inlet side, while for the AC/B the shaped cone is present also on the outlet. They are designed for clean air in the temperature range -10°C +50°C.
The optimized inlet cone reduces noise level and increases the efficiency.

Upon request:
• Impeller with airfoil blades in die-cast aluminium alloy.
• Airfl ow from impeller to motor (only AC/B).

Construction

• Ring frame in steel sheet. AC/A with shaped cone only on inlet side; AC/B with shaped cone on inlet and outlet side. Protected against the atmospheric agents by epoxy paint.
• Axial impeller with aerofoil profi le blades in glass reinforce polyamide and die-cast aluminium hub, balanced according ISO 1940. Variable pitch angle in still position with setting means.
• Execution 4 (impeller directly coupled to motor shaft). Air fl ow from motor to impeller.
• Inlet protection guard in steel rod directly welded on the ring frame, according to UNI10615 norm.
• Asynchronous three-phase or single-phase motors according to international standards IEC 600034, IEC 60072, EMC 2004/108/CE, LVD 2006/95/CE, CE marked, IP 55, class F. Service S1 (continuous working to constant load).

Accessories

• Impeller side protection guard, according to UNI 10615 norm (CCr) only for AC/B Wall mounting square frame adaptor in epoxy painted steel sheet.

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