UDVL direct drive upblast roof ventilators provide superior performance and a low silhouette design. These rugged, high quality 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
- Simple maintenance – no belts or pulleys
- 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
- Air dried enamel paint finish
- Rugged galvanized damper section with butterfly damper blades
- Damper rods turn in nylon bearings and require no lubrication
Applications
- General ventilation
- Exhaust or smoke fumes
Accessories / Options
- Epoxy or Eisenheiss coating
- Disconnect switches, mounted or mounted and wired
- Explosion proof and special duty motors available
- Magnetic damper pads for positive closure
- Pre-fabricated roof curbs
- Hot dipped galvanized construction
- 304 stainless steel construction
- 316 stainless steel construction
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