Backward curved blade centrifugal fans for clean air

Centrifugal duct fans suitable for clean air with temperatures from -20 to +40°C. Suitable for small and medium volume flows with high or very high heads.
Suitable for installation in zone 1/21, i.e. in areas or environments where a high safety factor against explosions due to gas, (II 2G) or flammable dust (II 2D) is required.

Robust construction for professional applications in hazardous environments
Diameters from 350 to 1,000 mm
Flow rates from 250 to 33,000 m3/h max
Suction nozzle with brass coating and painted sheet steel spiral casing
ISO 6580/EUROVENT 1-2 standard connection flanges
Suction nozzle with large radius
Single inlet sheet steel impeller with curved backward blades
Directly coupled 4 and transmission versions 9 – 12 with one-piece cast iron bearing housings
Versions on request for higher air temperatures