HRFD 500/4/4 – Helios – Cased Axial Fan – Low Pressure

HRFD 500/4/4 – Helios – Cased Axial Fan – Low Pressure 

High efficiency axial fan with cylindrical duct with flanges on both ends, directly driven.

Cylindrical duct in galvanised sheet steel covering impeller with two flanges on both ends. Dimensions and flange fixing holes to DIN 24155. Terminal box on outer casing.

Highly efficient, profiled blade impeller from polymers, aerodynamically optimised to the application, dynamically balanced. Suitable for -30 °C to +60 °C.

Totally enclosed 3-phase squirrel cage motor with built-in thermal contacts, maintenance-free, speed controllable by voltage reduction, with low-noise sealed for life ball bearings.

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