KVW 200/4/40/20 – Helios – InlineVent – Rectangular fan
Duct radial fan with forward curved impeller blades, for direct mounting in a rectangular duct system. Swivel motor impeller unit.
Housing made of galvanized sheet steel with channel flange profiles standardized on both sides, space-saving design, easy to service due to the swiveling motor-impeller unit.
Forward curved drum impeller made of galvanized steel, good efficiency, low noise, aerodynamically optimized spiral casing;Inflow via nozzle. Impeller motor unit dynamically balanced.
Drive: Maintenance-free single-phase AC external rotor motor, closed design, built-in thermal contacts wired in series with the winding (automatically resetting), speed adjustable by means of 5-step transformer or electronically (continuously), winding with moisture protection impregnation, sealed, low-noise ball bearings with long-term lubrication. Mains connection to pre-assembled terminal box (IP44).