Dayton 7A886


Exhaust Vent, 48 In

7A886 277702
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ItemExhaust Ventilator
TypeAxial Upblast, With Drive Package
Propeller Dia. (In.)48
Propeller MaterialSteel
CFM @ 0.000-In. SP37,987
CFM @ 0.125-In. SP36,154
CFM @ 0.250-In. SP33,838
CFM @ 0.375-In. SP30,758
CFM @ 0.500-In. SP28,240
CFM @ 0.675-In. SP22,667
CFM Range16,691 to 37,987
Sones @ 0.125-In. SP @ 5 Ft.29
Sones @ 0.250-In. SP @ 5 Ft.28
Max. Inlet Temp. (Deg. F)120
Motor Voltage208-220/440
Motor Hz60
Bearing TypeRegreasable Pillow Block
Motor HP5
Motor HP Range3/4 to 5
Max. BHP5.98
Fan RPM594
RPM Range261 to 594
Speed ControllableNo
Mounting LocationRoof
Base Width (In.)56-3/4
Base Length (In.)56-3/4
Base Height (In.)1-3/4
Overall Height (In.)40
Overall Dia. (In.)58
Shaft Dia. Sheave End (In.)1 1/4
Shaft Dia. Propeller End (In.)1 1/4
Housing MaterialGalvanized Steel
Agency ComplianceUL/cUL 705 Listed
RequiresRoof Curb For New Installations
Adj. 12 3/8"H Roof Curb Stock No.2ZV86
Adj. 6 3/8"H Roof Curb Stock No.3C216
Recommended 12 In. Fixed Curb Item No.3AZJ7
UPC 094702777025
Weight 656.910000


Exhaust Ventilator, Axial Upblast, With Drive Package, CFM @ 0.000-In SP 37987, @ 0.125-In SP 36154, @ 0.250-In SP 33838, 29 Sones @ 0.125-In SP, Roof Mounting Location, Base Width 56 3/4 In, Base Length 56 3/4 In, Overall Height 40 In, Max. Inlet Temp 120 F, Motor Voltage 208-220/440, 3 Phase, Motor HP 5, 594 RPM, Propeller Dia 48 In, Application General Purpose

Axial Belt-Drive Upblast Exhaust Ventilators
  • For use in industrial and commercial buildings, including warehouses, manufacturing facilities, foundries, and laboratories. Units are 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.
  • UL and C-UL Listed.
  • UL-705 Listed for Power Ventilators Max. inlet air temperature: 120 F Air handling quality bearings are selected to meet a minimum of L10-100,000 hours 24" propeller dia. units feature sealed pillow block bearings 30" propeller dia. and larger units feature regreasable pillow block bearings

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