| 摘要 |
A unit for treating air with controlled flow, comprising a free rotor (GL), single or double inlet, combined with a directional conveyor (CD), which is designed so as to be able to directionally exploit the high static efficiencies, typical of free rotors (GL), and so as to be able to obtain the maximum optimisation between the power supplied and the static pressure obtained, at the same time maintaining low sound emissions, low dynamic pressure values at the discharge and no perturbation of the flow and of the performances both at the discharge and at the suction.
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