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  9. Downblast Vent, Belt Drive, 24-1/2 In
Dayton Downblast Vent, Belt Drive, 24-1/2 In 7AU74 - main

Downblast Vent, Belt Drive, 24-1/2 In

  • Mfr # 7AU74

  • Zoro # G3463853

product price: $2,171.99
/ea
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Key Features

Item - Roof Ventilators
Downblast Ventilator
Drive Package With Motor Included
Yes
Duty Rating - Roof Ventilators
Standard
Drive Type - Roof Ventilators
Belt Drive
Mounting Location - Roof Ventilators
Roof
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Specifications

Product Information

MFR #
7AU74
Zoro #
G3463853
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
34 in x 34 in
Dimension C
38 3/8 in
Overall Dia.
42 3/4 in
Base Height
1 3/4 in
Wheel Dia.
24 1/2 in
Base Length
34 in
Dimension D
5 3/4 in
Base Width
34 in
Overall Height
40 1/8 in
Base Square Size - Roof Ventilators
34" x 34"
Dimension A
34 in
Shaft Dia. Wheel End
1 in
Dimension B
42 3/4 in
Wheel Diameter
24 1/2 in
Overall Diameter
42 3/4 in
Housing Width
42.8 in
Overall Width
42 3/4 in
Propeller Shaft Diameter
1 in
Damper Size
27 x 27 in
Housing Length
42.8 in
Overall Length
42 3/4 in

Details

Item - Roof Ventilators
Downblast Ventilator
Drive Package With Motor Included
Yes
Duty Rating - Roof Ventilators
Standard
Drive Type - Roof Ventilators
Belt Drive
Mounting Location - Roof Ventilators
Roof
Number of Speeds
1
Voltage - Roof Ventilators
208V AC/230V AC/460V AC
Motor HP - Roof Ventilators
3/4 hp
CFM @ 0.000-In. SP
5395
Housing Material
Aluminum
Sones @ 0.500-In. SP @ 5 Ft.
12.8
Sones @ 0.125-In. SP @ 5 Ft.
14.9
Hz
60
RPM
710
Includes
Drive Package, NEMA 1 Junction Box
Recommended 8 In. Fixed Curb Item No.
4HX42
CFM @ 0.750-In. SP
3633
Item
Centrifugal Downblast Roof Exhaust Fan
Max. Operating Amps
2.9-2.8/1.4
Wheel Type
Backward Inclined
CFM @ 0.125-In. SP
5206
Motor Voltage
208/230/460
CFM @ 0.500-In. SP
4459
Adj. 6 3/8"H Roof Curb Stock No.
3C438
Drive Package Included
Yes
Recommended 12 In. Fixed Curb Item No.
4HX50
Speed Controllable
No
Max. BHP
0.75
CFM @ 0.375-In. SP
4762
CFM @ 0.625-In. SP
4077
Adj. 12 3/8"H Roof Curb Stock No.
4C455
Sones @ 0.250-In. SP @ 5 Ft.
14.4
Mounting Location
Roof
Drive Type
Belt Drive
CFM @ 0.250-In. SP
4990
CFM @ 0.875-In. SP
2974
Wheel Material
Aluminum
Max. Inlet Temp.
180 Degrees
Phase
3
Motor HP
3/4
Agency Compliance
AMCA Sound & Air, UL/cUL 705
Assembled/Unassembled
Unassembled
Standards
AMCA Sound and Air, NEMA, UL/cUL 705
Bearing Type
Regreasable Pillow Block
Safety Features
Birdscreen, Windband
Airflow @ 0.000 in SP
5,395 cfm
Exhaust Airflow @ 0.500 in SP
4,459 cfm
Mount Type
Roof Curb
Maximum Static Pressure
7/8 in wc
Exhaust Airflow @ 0.250 in SP
4,990 cfm
Application
Industrial and Commercial Applications
Nameplate Voltage
208-230/460V AC
Exhaust Airflow @ 0.125 in SP
5,206 cfm
Current
2.9 to 2.8/1.4 A
For High-Static Pressure Applications
No
Electrical Connection
Power Cord
Motor Horsepower
3/4 hp
Motor Location
Out of Airstream
Includes Drive Package
Yes
Includes Motor
Yes
High-Efficiency Motor
No
Exhaust Airflow @ 0.000 in SP
5,395 cfm
Resistance Properties
Weather Resistant
For Air Type
Clean Air
Sound Level
10.3 sones @ 0.875 in SP and 5 ft, 11.2 sones @ 0.750 in SP and 5 ft, 12.1 sones @ 0.625 in SP and 5 ft, 12.8 sones @ 0.500 in SP and 5 ft, 13.6 sones @ 0.375 in SP and 5 ft, 14.4 sones @ 0.250 in SP and 5 ft, 14.9 sones @ 0.125 in SP and 5 ft, 15.0 sones @ 0.000 in SP and 5 ft
Base Shape
Square
Brake Horsepower
3/4 hp
Frequency
60 Hz
Exhaust Airflow @ 0.375 in SP
4,762 cfm
Compatible Curb Manufacturer Part Number
2RB80, 2ZV84, 3C438, 4C455, 4HX42, 4HX50
Motor Enclosure
Open Dripproof
Housing Material Fabrication
Spun
Features
Fully Rolled Windband Bead for Increased Stability and Easy Transport, Nonoverloading Centrifugal Wheel Design
Maximum Fan Speed
710 RPM
Assembly
Unassembled
Maximum Inlet Air Temperature
180 Degrees F

Description

Centrifugal Downblast Roof Exhaust Fan, Drive Type Belt Drive, Assembly Unassembled, Wheel Diameter 24 1/2 in, Base Diameter Not Applicable, Base Length 34 in, Base Width 34 in, Base Shape Square, Nameplate Voltage 208-230/460V AC, Phase 3, Motor Horsepower 3/4 hp, Exhaust Airflow @ 0.000 in SP 5,395 cfm, For High-Static Pressure Applications No, High-Efficiency Motor No, For Air Type Clean Air, Includes Drive Package Yes, Includes Motor Yes, Mounting Location Roof

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