Casing and impeller manufactured from galvanized sheet steel.
All models incorporate speed controllable external rotor motor, fitted with thermal protection and ball bearings .
IP44, Class F (models 7/7 and 7/9).
IP55, Class F (models 9/7 to 12/12).
IP54, Class F (models 12/12 1100W and 15/15 2200W).
4 or 6 pole depending on version.
Single phase 230V-50Hz, suitable for speed control by voltage.
Three phase 230/400V-50Hz, suitable for speed control by tension and frequency inverter.
(See characteristics chart).
Impeller dynamically balanced
Impeller dynamically balanced, according to ISO 1940 standard, providing vibration free operation.
All motors are fitted with support including rubber antivibration mounts reducing the noise transmitted to the installation.