Dayton 4YU97

Dayton

Exhaust Vent 18 1/2 In

4YU97 338816
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$1,195.18 + 3 Business Day Shipping $71.50

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Specs

ItemCentrifugal Downblast Exhaust Ventilator
TypeStandard Duty
StyleLess Drive Package
Wheel Dia. (In.)18-1/2
Wheel TypeBackward Incline
CFM Range2839 to 5677 @0.0" SP
Max. Inlet Temp. (Deg. F)180
Bearing TypeSealed Pillow Block
Motor HP Range1/4 to 2
RPM Range730 to 1460
Speed ControllableNo
Mounting LocationRoof
Base Width (In.)30
Base Length (In.)30
Base Height (In.)1-3/4
Overall Height (In.)36 1/8
Overall Dia. (In.)35-1/2
Shaft Dia. Wheel End (In.)3/4
Shaft Dia. Sheave End (In.)3/4
Housing MaterialSpun Aluminum
Wheel MaterialAluminum
Agency ComplianceUL/cUL 705
RequiresRoof Curb For New Installations
Includes NEMA 1 Junction Box
Adj. 12 3/8"H Roof Curb Stock No.2ZV83
Adj. 6 3/8"H Roof Curb Stock No.4C454
Recommended 12 In. Fixed Curb Item No.2RB79
Recommended 8 In. Fixed Curb Item No.4HX41
Recommended Damper Size (In.)23 x 23
Recommended Damper Stock No.4HX67
UNSPSC40101502
Weight 100.000000

Description

Exhaust Ventilator, Centrifugal Downblast, Less Drive Package, CFM Range 2839 to 5677 @0.0 In SP, Roof Mounting Location, Base Width 30 In, Base Length 30 In, Overall Height 36 1/8 In, Max Inlet Temp 180 F, HP Range 1/4 to 2, Wheel Dia 18 1/2 In, 730 to 1460 RPM Range, Wheel Material Aluminum, Housing Material Spun Aluminum, General Clean Air Application, Includes NEMA 1 Junction Box

Restrictions
  • Warning: Nonhazardous location ventilators are not interchangeable with hazardous location ventilators. Note: Installation must comply with all local and national safety codes including the National Electrical Code (NEC) and National Fire Protection Act (NFPA).

Hazardous Location Centrifugal Belt-Drive Exhaust Ventilators
  • Designed to exhaust air in commercial and industrial applications with potentially hazardous particles or fumes. Constructed with spark-resistant aluminum wheel and rub ring. Spun aluminum housing features rolled wind band to increase stability. Motor, drive frame, and wheel are isolated from the mounting base by independent neoprene studs no metal-to-metal contact, greatly reducing overall noise. Motor compartment is cooled by fresh outside air, maximizing motor life. Motors, sheaves, belts, and conduit kit are packed separately when unassembled ventilator with drive package is ordered.
  • Aluminum, backward inclined, nonoverloading centrifugal wheel design Air handling-quality bearings meet min. L10-100,000 hr.
  • Downblast Ventilators
  • Motor only UL Listed for Class I Groups C & D and Class II Groups E, F, & G hazardous locations Max. inlet air temp.: 180 F Bearings sealed pillow block up to 16-3/4" wheel dia.; regreasable pillow block for 18-1/2" wheel dia. and larger

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