KVD 225/4/50/25 – Helios – InlineVent – Rectangular fan

KVD 225/4/50/25 – 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: three-phase external rotor motor, built-in thermal contacts on the clipboard, closed design, speed can be regulated by means of a 5-stage transformer or electronically (continuously), and control by means of a Helios frequency converter with all-pole sine filter is possible, winding with moisture protection impregnation, maintenance-free, sealed, low-noise ball bearings with long-term lubrication. Mains connection to pre-assembled terminal box (IP54).

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