roof ventilators


Smoke & Heat Removal Ventilator


The SV40 roof ventilator is designed for use as a standard roof exhaust fan and as a high temperature smoke and heat removal fan. The tall design of this unit is especially effective in discharging smoke and/or fumes high above the roof line and away from surrounding ventilation systems.

The SV40 is capable of withstanding continuous operation at 600°F (315°C) , extended operation at 800°F (426°C), and a minimum of 8 hours at 1000°F (537°C) operation. Complies with Industrial Risk Insurers’ (IRI) recommendations for smoke and heat ventilation.

Sizes (propeller diameters)

  • 24 to 60 inches (610 mm to 1,525 mm)


  • Airflow to 51,400 CFM (87,300 m3/hour)
  • Static pressure to 0.75 inches w.g. (190 Pa)

Installation Manual