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7 Cards in this Set

  • Front
  • Back
Axial Fan
Fan axis is parallel to airflow.
Centrifugal fan
Fan axis is perpindicular to airflow.
Vane Axial
Propeller is in a duct with straightening vanes on discharge. Work against high pressures.
Tube Axial
Propellor in duct. No vanes.
Radial Impellor fan
Straight blades.
Used for heavy loads,
Ideal for transporting dusts.
Backward curved Blades
High efficiency.
Good for clean environments.
Blades get dirty.
Quietest operation
Forward Curve
Squirrel cage.
Low to moderate static pressure
Material buildup.
Used in HVAC and dilution ventilation.