Circular duct fans are suitable for demanding applications due to their very low profile, high efficiency and low noise level, where their very economical operation is also applicable; they are also suitable for DCV applications (demand-controlled ventilation). Thanks to the built-in sensors, they allow constant flow control.
Ventilators with air flow up to 800 m3/h into circular ducts for diameters 150, 160 or 200 mm. The throats are gasketed and the enclosure consists of a patented vector noise absorber and a noise absorbing layer.
The fans are made of tough plastic and are equipped with a 230 V / 50 Hz EC motor with thermal and electronic protection. The fans are IP44 rated and suitable for operation with air temperatures up to 40°C.
The fan is equipped with a sensor allowing operation in control mode for constant air flow in the duct, the flow adjustment is in the terminal block. The speed can also be controlled by an external controller or linearly by a 0-10 VDC signal from an external sensor.
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