Single inlet, high pressure centrifugal fans with sheet steel casing and impeller, equipped with acoustic attenuator
Fan: • Sheet steel casing. • Backward curved impeller in sheet steel, except models 242, 248, 254, 260, 640, 645 and 650 in cast aluminum impeller. • Acoustic attenuator with a hexagonal profile incorporated in the suction inlet of the fan. Its design allows adjusting the air flow at the fan inlet. • Maximum temperature of air to be carried: -25 ºC +120 ºC.
Motor: • Motors with IE3 efficiency for powers equal to or greater than 0.75 kW, except single-phase, 2-speed and 8-pole. • Class F motors with ball bearings and IP55 protection. • Three-phase 230/400 V 50 Hz (up to 4 kW) and 400/690 V 50 Hz (powers greater than 4 kW). • Working temperature: -25 ºC +50 ºC.
Finish: • Anti-corrosive finish in polyester resin, polymerised at 190 ºC, after degreasing with phosphate-free nanotechnology treatment.
On request: • Special windings for different voltages. • Fan prepared to transport air up to +250 ºC. • Stainless steel fan. • ATEX certified Category 2.