Vertical Jet Roof Units

vertical jet unit

This vertical discharge roof fan range has a reducing cone on the discharge of the fan to increase the velocity of the exhausted air. These units are designed to comply with municipal by-laws where extraction of noxious fumes requires that the fumes are ejected at high speed into the atmosphere. This prevents re-contamination of the ventilated area. Five sizes make up this range, namely Ø500, Ø630, Ø710, Ø800, and Ø1000 mm providing a wide range of performance combinations.

These roof fans are used to exhaust air from:

  • Factories, warehouses, and agricultural buildings
  • Ducted extraction systems
  • Spray booths
  • Kitchen canopies
  • Boiler houses
  • Compressor rooms

Features:

  • Corrosion-resistant components
  • Robust construction
  • Aesthetic appeal
  • High discharge velocity

Gravity-operated flaps close when the roof unit is not in operation to prevent rain from entering the building.

The vertical jet fans have cast aluminium axial aerofoil impellers, statically balanced to well within balancing grade G6.3.

The cowl and weather skirt are manufactured using a multi-layer UV protected glass-reinforced polyester resin, ensuring strength and years of trouble-free operation. The automatic shutter is of aluminium and support components from hot-dipped galvanised steel. For especially adverse conditions, components can be constructed from stainless steel.

Accessories, such as soaker sheets for a range of roof profiles, duct adaptors, & rodent screens are available on request.

Standard aluminium or cast iron motors with various degrees of protection against ingress of water or dust, operation in hazardous locations or at high temperatures are available upon request.

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PLEASE NOTE

Due to our continued efforts to improve product design and performance, CFW reserves the right to alter any product details specified here without notice.