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GENERAL USES. These fans are suitable to renew air from industrial buildings and rooms. Maximum suction temperature 60° C continuos service. CARACTERISTICS. Each model is costitued of: base, forming-pressed frame, upright support motor plate with acoustic insulation, two air conveyours with galvanized sheet protection grid, gravity shutter in aluminium backward-bladed centrifugal impeller in galvanized sheet and aluminium. Safety switch. COUPLING. The impeller is splined to the shaft, with outside ventilation, protection IP 55 class F. Voltage 230/400 V - 50 Hz (TNVS 110); voltage 400/690 V - 50 Hz (TNVS 120); voltage 400 V - 50 Hz for two speed (6/8 pole). ACCESSORIES. Supporting frame to wall.
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