Products

Centrifugal Fans CNA CNB EX

  • The CNA-CNB EX are low-pressure centrifugal flow fans for operation in non-corrosive environments.
  • The fans are suited for transport of air containing flammable gases.
  • The design is for universal installation in light industrial plants.
  • For flange connection
  • Impeller diameters
    • CNA: 9 sizes from Ø250 to Ø1000 mm
    • CNB: 7 sizes from Ø400 to Ø1000 mm
  • Airflow rates
    • CNA: 0.2 to 14 m3/s (720 to 50400 m3/h)
    • CNB: 0.8 to 18 m3/s (2880 to 64800 m3/h)
  • Pressures
    • CNA: Up to 1000 Pa
    • CNB: Up to 1500 Pa
  • Direct coupled or belt-driven versions
  • Backward-curved blades
  • Low sound level
  • Can be mounted in any position
  • Housing and impeller of hot-dip galvanised sheet steel
  • Inlet cone of brass
  • Classifications
    • EX: Non-sparking fans according to guideline IACS F29/2005
    • Corrosion category C2 according to DS/EN ISO 12944-2