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Centrifugal Fans

Centrifugal fans employ the use of a rotating impeller or wheel to increase the speed of an air stream.  Air is discharged at 90 degrees to the inlet airstream.  The centrifugal speed increases as the air stream reaches the ends of the fan blades and is then converted to pressure.

Centrifugal fans are widely used for industrial processes because of their ability to achieve high system pressures.

Optional wheel designs produce differing pressure ranges and CFM possibilities, efficiencies vary and generated noise levels fluctuate.  Some degree of noise attenuation is typically required for an industrial centrifugal fan.  Read about centrifugal fan noise attenuation here.

These fans are able to produce high pressures and are suitable for harsh operating conditions, such as:

  • Systems with high temperatures
  • Moist or dirty air streams
  • Material handling/conveying

PERFORMANCE


  • SWSI Fans to 450,000 CFM and 26″ WG
  • DWDI Fans to 800,000 CFM and 26″ WG
  • Material Handling Fans to 175,000 CFM and 40″ WG
  • Pressure Blowers to 200,000 CFM and 100″ WG

WHEELS AVAILABLE


  • Backwardly Inclined
  • Backwardly Curved
  • Airfoil
  • Open Radial
  • Radial Tip
  • Forward Curved
  • Single or Double Width Wheels

TYPICAL APPLICATIONS


  • Many Industrial Ventilation applications
  • Many HVAC applications
  • Many process applications
  • Wastewater Treatment Plants
  • OEM Equipment – Oxidizers, dust collectors, scrubbers
  • Dust Collection Systems
  • Material Conveying

Specialty Fan Designs


  • Plug Fan
  • Paper Trim “Chopper” Fan
  • “Swing-out” Fan
  • In-line Centrifugal Fan
  • Turbo Pressure Blower
  • Square Fan
  • Flange mounted Fan
  • OEM Designs
  • FRP & PVC Construction

Available Accessories


  • Drive Arrangements 1, 2, 3, 4, 4HM, 7 , 8, 9, 10
  • Materials of Construction – Carbon steel, stainless steel and food grade SS
  • Dampers
  • Inlet Filters
  • Inlet Boxes
  • Expansion Joints
  • Unitary Bases
  • Split housings
  • Temperature and Vibration sensors
  • Cladding for heat and/or noise
  • “swing-out” impellers

The SysTech experts are ready to discuss your centrifugal fan needs.

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