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February 5th, 2012

Series 69H

Belt Drive Upblast Smoke Ventilator

  • Sizes 18" to 60"
  • CFM from 3,220 to 64,035 at free air
  • Application Examples - Stairwell ventilation, heat and smoke ventilator
  • Hartzell Fan pioneered the development of the first powered smoke ventilator
  • Series 69H smoke ventilator meets or exceeds rigid I.R.I. Guidelines for Heat and Smoke Venting
  • Designed for continuous operation at 500°F exhaust air temperature with ambient air drawn through belt tube
  • Multi-use product is designed to be used on a daily basis as a power roof ventilator and as a gravity type roof ventilator in the vent of power failure
  • Heavy gauge all ferrous steel construction with welded steel propeller
  • Standard coating is high temperature black enamel
  • Open end, drip proof motor with 1.15 SF standard; other motor enclosures available
  • Motor mounted exterior to fan housing; belts, bearings, pulleys, and shaft are enclosed and protected from the airstream
  • Fusible link allows spring operated opener to lock stack cap lids in upright, open position when temps through smoke vent exceed 165°F; provides gravity ventilation in case electricity to power ventilator is interrupted
  • Non-fused, rain tight, NEMA 3R disconnect switch mounted on curb panel and wired to fan to provide safety during maintenance
  • Special corrosion resistant coatings are available as well as accessories such as prefab curb and inlet guard