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  9. Downblast Vent, Belt Drive, 24-1/2 In
Dayton Downblast Vent, Belt Drive, 24-1/2 In 7AU72 - main

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

  • Mfr # 7AU72

  • Zoro # G0821554

product price: $2,243.99
/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 #
7AU72
Zoro #
G0821554
UPC #
00190735343470
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
34 in x 34 in
Overall Dia.
42 3/4 in
Dimension A
34 in
Base Square Size - Roof Ventilators
34" x 34"
Overall Height
40 1/8 in
Base Width
34 in
Base Height
1 3/4 in
Dimension C
38 3/8 in
Base Length
34 in
Shaft Dia. Wheel End
1 in
Dimension D
5 3/4 in
Wheel Dia.
24 1/2 in
Dimension B
42 3/4 in
Propeller Shaft Diameter
1 in
Overall Length
42 3/4 in
Housing Length
42.8 in
Housing Width
42.8 in
Overall Diameter
42 3/4 in
Wheel Diameter
24 1/2 in
Damper Size
27 x 27 in
Overall Width
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
1/2 hp
CFM @ 0.000-In. SP
4863
Wheel Material
Aluminum
CFM @ 0.375-In. SP
4120
Sones @ 0.250-In. SP @ 5 Ft.
12.1
Agency Compliance
AMCA Sound & Air, UL/cUL 705
Max. Operating Amps
2.1-2.2/1.1
Adj. 6 3/8"H Roof Curb Stock No.
3C438
Drive Type
Belt Drive
Speed Controllable
No
Housing Material
Aluminum
RPM
640
Sones @ 0.500-In. SP @ 5 Ft.
10.5
Assembled/Unassembled
Unassembled
CFM @ 0.125-In. SP
4654
CFM @ 0.250-In. SP
4403
Recommended 8 In. Fixed Curb Item No.
4HX42
CFM @ 0.625-In. SP
3208
CFM @ 0.500-In. SP
3702
Sones @ 0.125-In. SP @ 5 Ft.
12.8
Motor HP
1/2
Motor Voltage
208/230/460
Item
Centrifugal Downblast Roof Exhaust Fan
Phase
3
Drive Package Included
Yes
Recommended 12 In. Fixed Curb Item No.
4HX50
Hz
60
Mounting Location
Roof
Max. Inlet Temp.
180 Degrees
Includes
Drive Package, NEMA 1 Junction Box
Wheel Type
Backward Inclined
Adj. 12 3/8"H Roof Curb Stock No.
4C455
Max. BHP
0.55
Bearing Type
Regreasable Pillow Block
Standards
AMCA Sound and Air, NEMA, UL/cUL 705
Includes Drive Package
Yes
Frequency
60 Hz
Resistance Properties
Weather Resistant
Airflow @ 0.000 in SP
4,863 cfm
Current
1.7 to 1.7/0.85 A
Motor Location
Out of Airstream
For High-Static Pressure Applications
No
Assembly
Unassembled
Nameplate Voltage
208-230/460V AC
Housing Material Fabrication
Spun
Maximum Static Pressure
5/8 in wc
Sound Level
10.5 sones @ 0.500 in SP and 5 ft, 11.2 sones @ 0.375 in SP and 5 ft, 12.1 sones @ 0.250 in SP and 5 ft, 12.8 sones @ 0.125 in SP and 5 ft, 13.0 sones @ 0.000 in SP and 5 ft, 9.7 sones @ 0.625 in SP and 5 ft
Base Shape
Square
Mount Type
Roof Curb
Maximum Fan Speed
640 RPM
Maximum Inlet Air Temperature
180 Degrees F
Safety Features
Birdscreen, Windband
Exhaust Airflow @ 0.125 in SP
4,654 cfm
Electrical Connection
Power Cord
High-Efficiency Motor
No
Motor Horsepower
1/2 hp
Exhaust Airflow @ 0.000 in SP
4,863 cfm
Application
Industrial and Commercial Applications
Motor Enclosure
Open Dripproof
Exhaust Airflow @ 0.375 in SP
4,120 cfm
Compatible Curb Manufacturer Part Number
2RB80, 2ZV84, 3C438, 4C455, 4HX42, 4HX50
Exhaust Airflow @ 0.500 in SP
3,702 cfm
Features
Fully Rolled Windband Bead for Increased Stability and Easy Transport, Nonoverloading Centrifugal Wheel Design
For Air Type
Clean Air
Includes Motor
Yes
Motor Speed
1,725 RPM
Exhaust Airflow @ 0.250 in SP
4,403 cfm
Brake Horsepower
11/20 hp

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 1/2 hp, Exhaust Airflow @ 0.000 in SP 4,863 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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