6600 Series Radial Blade Industrial Centrifugal fans are built for a wide range of applications as the radial blade design allows for operation in mildly dirty or dusty environments. Northern offers Models 22, 32 and 45 which correspond to their relative static pressure capabilities.
Series 6400 Radial Blade Pressure Blower, SISW
The 6400 Series Radial Blade Pressure Blower wheels are designed with overlapping performance and custom built to fit your precise performance requirements. The blades are formed from heavy gauge high strength low alloy steel, stainless steel or other special metal construction.
Series 7500 Airfoil Vent Sets, SISW
7500 Series Vent Sets are designed for use in commercial air conditioning systems and for general supply and exhaust ventilation for commercial buildings.
Design 7991 Radial Blade Industrial, SISW
The 7991 Design is an industrial radial bladed fan wheel in a square fan housing.
Series 8300 & 8400 Plug Fans
8300 and 8400 Series Centrifugal Plug Fans are available in Airfoil and Backward Inclined wheel designs.
Series 7400 Vaneaxial
The 7400 Series Vaneaxial fan is designed for supply and exhaust applications where efficiency, low tip speed and quiet operation are a priority. This fan is available in clamshell, power roof exhauster, or mushroom hood designs.
These airfoil fan blades can be constructed from a variety of materials, including mild steel, stainless steel and aluminum.