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Duct Fans – Hartzell Air Movement – Series 31

Starting at $1,900.00

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Rapid Ship Fan Ships in 5 Working Days!

and with a 5-Year Product Warranty

More SysTech Documentation:

Industrial Fans & Blowers
Industrial Axial Fans

Ships in 5 days!


Performance Range: 1,700 – 156,800 CFM at free air and static pressure up to 1.25″ w.g.

Features Included:

  • Belt driven with motor out of the airstream.
  • Cast aluminum airfoil propeller. Six blade propeller for Type W and AW (adjustable). Three blade propeller for Type L and 4 blade propeller for Type A (adjustable).
  • Bearings are heavy-duty, pillow block, ball, or roller type selected for minimum L-50 life of 500,000 hours for horizontal fans; and 300,000 hours for vertical fans and include extended lubrication fittings.
  • Motors are totally enclosed fan cooled and out of the airstream. Open-end, drip proof motors outside the airstream are standard.
  • Suitable for temperatures up to 200°F.
  • Industrial-grade powder coat enamel coating.
  • Extended lubrication tubes from bearings to exterior of fan housing.
  • Dynamically balanced at the factory prior to shipping.


  • Companion flanges
  • Inlet & outlet guards
  • Belt guard
  • Combination motor cover and belt guard
  • Mounting feet
  • Vibration isolators
  • Inlet & outlet cone
  • Extended electrical leads
  • Access door
  • Protective coatings for corrosive applications

The unit shown is a Series 31 size 30.


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Additional Resources:

Product Literature #1 Hartzell Rapid Ship Products

Product Literature #2 Hartzell Five Year Warranty

Product Literature #3 Hartzell Fan Guide


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