As an addition to their standard JM Aerofoil fans, Fläkt Woods  have developed a range of Large JM Aerofoil fans to provide higher pressures and volumes. The fans can be supplied with or without guide vanes, contra-rotating and as truly reversible fans, that provide the same flow in both the forward and reverse directions.

Applications

• Transverse and semi-transverse ventilation of road, rail and metro systems
• Emergency ventilation - smoke control
• Industrial process ventilation
• Wind tunnels

General information

• Up to 4000 mm Æ
• 425m³/s
• Total pressure up to 3400 Pa
• Controllable blades in motion, adjustable blades at rest, and speed control options available
• Aluminium aerofoil blades in
  unidirectional and fully reversible configurations. Long and compact casing/diffuser variants - hot dip galvanized after manufacture or paint to order
• Tested to ISO 5801
• Motor protection IP 54 or IP 55
• High performance
• Emergency ventilation at 250°C/2 hours with options up to 400°C/2 hours
• Low energy consumption designs, low lifetime costing
• Reliable, proven long life design