UDVL Direct Drive Upblast Roof Ventilators

Description

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 of UDVL Direct Drive Upblast Roof Ventilators

• Low silhouette weatherproof closure for vertical air discharge
• Direct drive, low maintenance
• Spark resistant, cast aluminum airfoil axial impeller
• Factory set adjustable pitch impeller
• 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

Accessories / Options

• Pre-fabricated roof curbs
• Explosion proof motors
• Special duty motors
• Hot dipped galvanized construction
• 304 or 316 stainless steel construction
• Disconnect switches, mounted or mounted and wired
• Magnetic damper pads for positive closure
• Baked epoxy powder coat finish, two layers
• AMCA spark resistant construction – consult factory

Airflow Performance (cfm)

Fan Dimensions

• Select Charts / Diagrams tab below