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    Axial Upblast Belt Drive Exhaust Ventilator

  • Item # 4YY24
  • Mfr. Model # 4YY24
Axial Upblast Belt Drive Exhaust Ventilator
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Product Details

This exhaust ventilator is for use in industrial and commercial buildings, including warehouses, manufacturing facilities, foundries, and laboratories. It's highly weather-resistant, with housings constructed of heavy-gauge galvanized steel, bolted seams, and reinforced edges for added strength. Drive frames are die-formed, galvanized structural steel, providing a rigid platform for motors, shafts, bearings, and drives. Fabricated steel propellers have steeply pitched blades to generate low sound levels. Integral butterfly dampers prevent unwanted backdrafts and have magnetic latches to minimize damper flutter when not in use. Built-in lifting lugs speed installation; the windband is removable for easy inspection.
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Technical Specifications

Item # 4YY24
Mfr. Model # 4YY24
UNSPSC #40101502
Catalog Page 2963
Shipping Weight 282.0 lbs
Country of Origin USA *
Item Exhaust Ventilator
Blade Dia. 30"
Propeller Material Steel
Max. Inlet Temp. (Deg. F) 120
Bearing Type Regreasable Pillow Block
RPM Range 454 to 964
Speed Controllable NO
Mounting Location Roof
Base Height (In.) 1-3/4
Overall Height (In.) 30
Overall Dia. (In.) 40
Shaft Dia. Sheave End (In.) 1
Shaft Dia. Propeller End (In.) 1
Housing Material Galvanized Steel
Agency Compliance UL/cUL 705 Listed
Requires Roof Curb For New Installations
Adj. 12 3/8"H Roof Curb Stock No. 2ZV84
Adj. 6 3/8"H Roof Curb Stock No. 4C455
Recommended 12 In. Fixed Curb Item No. 3AZJ1
Dimension A 38-3/4"
Dimension B 32-1/2"
Dimension C 18-1/8"
Dimension D 30"
Dimension E 37-3/8"
* This product's country of origin is subject to change

Compliance and Restrictions