Ventilating fans

ULTRA fans are made of heat-resistant alloy
RA 330. ULTRA ventilating fans are always heat treated, x-rayed and examined for smooth ope-ration prior to delivery.
The life of the fans of 520 mm and 610 mm may be considerably increased by reduction of the motor revolutions to 750 rpm.
Extend of supply/diameter
18 ½" | 470 mm |
20 ½" | 520 mm |
24" | 610 mm |
Material
Heat-resistant stainless steel, US standardRA 330
Motor with cooling flange
2 speed settings5 kW | 1430 U/min | 10,9 A |
1,7 kW | 960 U/min | 4,7 A |
suitable for fan diameters
Ø 470 mm | Ø 520 mm | Ø 610 mm |