Model HFS hooded roof fan

Model HFS Hooded direct drive filtered supply dans provide fresh or make up air that is cleansed of dust and other entrapped particle matter. Model HFS helps the building owner and occupants to meet health and air pollution requirements.

Features

• Sizes: 24” – 60”
• CFM Range: 5,320 – 42,656
• Motor: Heavy-duty TEFC direct or belt drive motor. Belt drive motor includes variable pitch drive up to 7-1/2 HP.
• Propeller: High performance statically and dynamically balanced.
• Housing: Heavy gauge galvanized steel with vertical, interlocking welded seams with all welded fan base.
• Material: Deep Spun Venturi for high efficiency.
• Design: Deep spun venturi panel provides superior strength and higher efficiency.
• Pillow Block Bearings: Self-aligning, for a minimum (L50) life > 200,000 hours at maximum operating speeds.
• Hood: Hinged to provide easy access to motors, belts, pulleys, and propellers.
• Angle Drive Frame: Bolted base assembly provides firm base and accurately aligns power assembly.

Options

• Dampers:
  • Gravity dampers
  • Motorized
  • Heavy-duty backdraft dampers
• Testing: UL-705
• Safety guards
• Coatings
  • Epoxy
  • Polyurethane
• Disconnect switches
  • NEMA 3R – exterior mount, rain-tight
  • NEMA 4 – water-tight and dust-tight
• Hood Insulation – 1/2” or 1-1/2” thick
• High wind tie-down points