UDVL Direct Drive Upblast Roof Ventilator

UDVL direct drive upblast roof ventilators provide superior performance and a low silhouette design. These rugged, high quality industrial roof ventilators are constructed with a heavy duty welded steel base, galvanized butterfly damper section and a spark resistant cast aluminum airfoil axial impeller. This aerodynamically efficient fan is available in diameters from 18" through 60", with capacities ranging to 54,000 cfm.

Features & Benefits
  • Low silhouette weatherproof closure for vertical air discharge
  • Direct drive, low maintenance
  • Spark resistant, cast aluminum airfoil axial impeller
  • Factory set adjustable pitch blades
  • Aerodynamically efficient performance
  • TEFC industrial duty motor
  • Weather-tight steel curb panel
  • Heavy duty welded steel construction
  • Baked polyester powder coat finish with a zinc rich primer
  • Rugged galvanized damper section with butterfly damper blades
  • Damper rods turn in nylon bearings and require no lubrication

Static pressure and airflow

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