Acoustically insulated duct fans for ventilation and air conditioning systems. Used for the air supply or extract. Not suitable for polluted air, aggressive and explosive gases.
Backward curved impellor.
External rotor motor, direct transmission, long-serving bearing with no maintenance requirements.
Housing is made of galvanized steel, housing frame made of aluminium profiles, perforated sheet, which reduces noise level in duct systems and it carries an IP54 protection class.