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 or process industry.

Product facts

• 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
• Corrosion category C2 according to DS/EN ISO 12944-2
• Classifications
  EX: Non-sparking fans according to guideline IACS F29/2005
• Accessories for mounting, connection, safety and regulation
• Product configuration with AirBox™

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