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Sound-insulated centrifugal fan.Supply and exhaust ventilation systems installed in premises with high requirements to the noise level.Suitable for limited mounting space.Galvanized steel casing internally filled with 30 mm thermal- and sound-insulating layer made of non-flammable foamed polyurethane.Connecting branch pipes are equipped with rubber seals.Fixing brackets for easy mounting.MotorTwo-pole external rotor asynchronous motor with centrifugal impeller and backward curved blades.The motor is installed on specially designed vibration-damping mounts to absorb vibration and noise.Equipped with ball bearings for longer service life.Integrated thermal protection with automatic restart.Dynamically balanced turbine.
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