Dayton 7A550


Exhaust Vent, 11in

7A550 317660
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ItemCentrifugal Downblast Exhaust Ventilator
TypeStandard Duty
StyleUnassembled With Drive Package
Wheel Dia. (In.)11
Wheel TypeBackward Incline
CFM @ 0.000-In. SP1526
CFM @ 0.125-In. SP1471
CFM @ 0.250-In. SP1419
CFM @ 0.375-In. SP1368
CFM @ 0.500-In. SP1321
CFM @ 0.675-In. SP1270
CFM @ 0.750-In. SP1209
CFM @ 0.875-In. SP1142
CFM @ 1.000-In. SP1065
CFM @ 1.250-In. SP793
CFM Range1386 to 1526 @0.0" SP
Sones @ 0.125-In. SP @ 5 Ft.12.8
Sones @ 0.250-In. SP @ 5 Ft.12.5
Max. Inlet Temp. (Deg. F)180
Motor Voltage115/230
Motor Hz60
Bearing TypeSealed Pillow Block
Motor HP1/3
Max. BHP0.33
RPM Range1635 to 1800
Speed ControllableNo
Mounting LocationRoof
Base Width (In.)22
Base Length (In.)22
Base Height (In.)1 3/4
Overall Height (In.)26 5/8
Overall Dia. (In.)24 3/8
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.4C670
Adj. 6 3/8"H Roof Curb Stock No.4c453
Recommended 12 In. Fixed Curb Item No.4HX47
Recommended 8 In. Fixed Curb Item No.4HX39
Recommended Damper Size (In.)15 x 15
Recommended Damper Stock No.4HX65
Weight 60.870000


Exhaust Ventilator, Centrifugal Downblast With Drive Package, CFM @ 0.000-In SP 1526, @ 0.250-In SP 1419, Sones @ 0.250-In SP 12.5, Roof Mounting Location, Base Width 22 In, Base Length 22 In, Overall Height 26 5/8 In., Max. Inlet Temp. 180 Deg. F, Motor Voltage 115/230, 1 Phase, Motor 1/3 HP, 1800 RPM, Wheel Dia 11 In, Application General Clean Air, Includes NEMA 1 Junction Box

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