Sigrist design produces a range of roof mounted axial vertical exhaust fans. The VA range uses a high efficiency axial impeller in a galvanised steel constructed body and cowl. Any impeller blade type, pitch and number of blades can be installed to meet a desired duty point.

Standard Design Features:

  • High efficiency axial impeller,
  • Galvanised steel construction and cowl,
  • Diameters from 315 to 1250mm,
  • Cowl flaps.

Common Applications:

  • Building Ventilation Exhaust
  • Building Ventilation Relief