Large JM Aerofoils
Axial Flow Fans

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