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Backward curved hollow profile blades

Fans must always reach ever higher system efficiencies. This means: more output with less energy. Binding requirements for this have been determined in the ErP Directive (Energy-related Products). With the RLM Evo® fan series with IE3 standard motors, you can benefit from an immediate availability up to the highest performance ranges while maintaining all the advantages of Evo technology in terms of acoustics and aerodynamics.

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