Ventilators with air flow up to 1780 m3/h into circular ducts for diameters 100 - 315 mm. The throats are fitted with seals, and a vibration-reducing silent block is placed between the motor and the casing.
The fans are made of hardened plastic and are equipped with an economical 230 V / 50 Hz EC motor with thermal protection. The fans are IP44 rated and suitable for operation with air temperatures up to 40°C.
The motors are adjustable by a potentiometer in the terminal block or by an external controller.