Select Page

Fiberglass Upblast Roof Ventilators – Hartzell Air Movement – Series 57

Starting at $7,300.00

Please call us for Quantity Discounts!
All prices are subject to change.


Performance Range: 7,300 CFM to 51,000 CFM at free air

Included Features:

  • Suitable for temperatures up to 180°F.
  • Standard fiberglass (FRP) components are constructed of fiberglass and vinylester resin.
  • Motor mount is epoxy coated, welded, steel rod assembly. Airstream hardware is stainless steel, coated with resin after assembly.
  • Propellers are one-piece fiberglass construction electronically balanced on unit at operating speed to ensure vibration-free operation.
  • Motors are totally enclosed. Mill and chem are standard.
  • Two fiberglass semi-circular lids at the base of the windband are mounted on stainless steel rods which turn in synthetic bearings.
  • Lifting lugs are standard to facilitate installation.


  • Abrasive/erosive resistant coating (HartKoate).
  • Hi-Cor construction includes a layer of Synthetic (Nexus) surfacing veil to all airstream surfaces exposed to corrosive environment.
  • Electrostatically grounded fiberglass fans
  • ASTM D4167-97 construction
  • Bird screen
  • Stainless steel motor mount
  • Safety guard
  • Prefabricated curb
  • Combination motor cover & belt guard
  • Fiberglass motor cover
  • Disconnect switch

The unit shown is a size 28 upblast roof ventilator.


There are no reviews yet.

Be the first to review “Fiberglass Upblast Roof Ventilators – Hartzell Air Movement – Series 57”

Additional Resources:

Product Literature 1:  Hartzell Wastewater Catalog


Pin It on Pinterest

Call Now Button