Dayton 4YY12

Dayton

Exhaust Vent, 50 In

4YY12 303214
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$6,012.19 + 3 Business Day Shipping $471.25

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Specs

ItemCentrifugal Downblast Exhaust Ventilator
TypeStandard Duty
StyleLess Drive Package
Wheel Dia. (In.)50
Wheel TypeBackward Incline
CFM Range17245 to 37068 @0.0" SP
Max. Inlet Temp. (Deg. F)180
Bearing TypeRegreasable Pillow block
Motor HP Range-1/2 to 7-1/2
RPM Range214 to 460
Speed ControllableNo
Mounting LocationRoof
Base Width (In.)64
Base Length (In.)64
Base Height (In.)1-3/4
Overall Height (In.)52 1/2
Overall Dia. (In.)83
Shaft Dia. Wheel End (In.)1-3/4
Shaft Dia. Sheave End (In.)1-3/4
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.2ZV87
Recommended 12 In. Fixed Curb Item No.2RB83
Recommended 8 In. Fixed Curb Item No.4YY76
Recommended Damper Size (In.)50 x 50
Recommended Damper Stock No.4HX71
UNSPSC40101502
Weight 715.000000

Description

Exhaust Ventilator, Centrifugal Downblast, Less Drive Package, CFM Range 17245 to 37068 @0.0 In SP, Roof Mounting Location, Base Width 64 In, Base Length 64 In, Overall Height 52 1/2 In, Max Inlet Temp 180 F, HP Range 1/2 to 7 1/2, Wheel Dia 50 In, 214 to 460 RPM Range, Wheel Material Aluminum, Housing Material Spun Aluminum, General Clean Air Application, Includes NEMA 1 Junction Box

Centrifugal Belt-Drive Downblast Exhaust Ventilators
  • Centrifugal Belt-Drive Downblast Exhaust Ventilators
  • Designed to meet the general clean air exhaust requirements for industrial and commercial buildings. Rugged and reliable construction makes fan capable of withstanding severe exhaust conditions. Spun aluminum construction features a fully rolled windband bead for increased stability and easy transport. Fresh outside air is drawn in under the motor cover to maximize motor life. Drive frame is internally isolated from the rest of the unit through use of neoprene isolators for long life and quiet operation; no steel-to-steel contact. Motors, sheaves, and belts are packed separately when complete, unassembled ventilator with drive package is ordered.
  • UL and C-UL Listed.
  • Aluminum, backward-inclined, nonoverloading centrifugal wheel design NEMA 1 junction box located in motor enclosure Max. inlet air temp.: 180 F UL-705 Listed for Power Ventilators Air handling quality bearings meet min. L10-100,000 hr. Bearings units less motor and drive: sealed pillow block up to 16-3/4" wheel dia., regreasable pillow block for 18-1/2" wheel dia. and larger Bearings assembled units: sealed pillow block up to 18-1/2" wheel dia., regreasable pillow block for 21-1/2" wheel dia. and larger

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