Two/ Three Fold Radial Fans are suitable for air conditioning systems, central ventilation systems [channel system], large extractor hoods, air curtains and heat pumps for air/water systems. These Radial Fans are vibration-free, due to static and dynamic balancing of wheels. These Radial Fans are driven by 3-phase or speed-variable single-phase induction motors in conventional design [internal running]. Two/ Three Fold Radial Fans are offered with wheels, which are made of zinc-coated steel plate.