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  9. Downblast Vent, Belt Drive, 24-1/2 In
Dayton Downblast Vent, Belt Drive, 24-1/2 In 7AU71 - main

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

  • Mfr # 7AU71

  • Zoro # G2416005

product price: $1,960.99
/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 #
7AU71
Zoro #
G2416005
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
34 in x 34 in
Dimension D
5 3/4 in
Wheel Dia.
24 1/2 in
Overall Height
40 1/8 in
Base Length
34 in
Overall Dia.
42 3/4 in
Base Height
1 3/4 in
Dimension B
42 3/4 in
Dimension C
38 3/8 in
Base Width
34 in
Base Square Size - Roof Ventilators
34" x 34"
Dimension A
34 in
Shaft Dia. Wheel End
1 in
Housing Width
42.8 in
Propeller Shaft Diameter
1 in
Damper Size
27 x 27 in
Overall Diameter
42 3/4 in
Wheel Diameter
24 1/2 in
Overall Length
42 3/4 in
Overall Width
42 3/4 in
Housing Length
42.8 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
115V AC/208V AC/230V AC
Motor HP - Roof Ventilators
1/2 hp
CFM @ 0.000-In. SP
4863
Hz
60
Sones @ 0.250-In. SP @ 5 Ft.
12.1
Sones @ 0.500-In. SP @ 5 Ft.
10.5
RPM
640
Adj. 12 3/8"H Roof Curb Stock No.
4C455
CFM @ 0.500-In. SP
3702
Motor Voltage
115/208/230
Recommended 8 In. Fixed Curb Item No.
4HX42
CFM @ 0.125-In. SP
4654
Housing Material
Aluminum
Drive Type
Belt Drive
Item
Centrifugal Downblast Roof Exhaust Fan
Max. Operating Amps
7.6/3.7-3.8
Includes
Drive Package, NEMA 1 Junction Box
Drive Package Included
Yes
Max. BHP
0.55
Phase
1
Wheel Material
Aluminum
Sones @ 0.125-In. SP @ 5 Ft.
12.8
Max. Inlet Temp.
180 Degrees
Wheel Type
Backward Inclined
Assembled/Unassembled
Unassembled
Speed Controllable
No
Recommended 12 In. Fixed Curb Item No.
4HX50
Motor HP
1/2
Agency Compliance
AMCA Sound & Air, UL/cUL 705
CFM @ 0.375-In. SP
4120
Mounting Location
Roof
Adj. 6 3/8"H Roof Curb Stock No.
3C438
CFM @ 0.625-In. SP
3208
CFM @ 0.250-In. SP
4403
Bearing Type
Regreasable Pillow Block
Standards
AMCA Sound and Air, NEMA, UL/cUL 705
Exhaust Airflow @ 0.375 in SP
4,120 cfm
Nameplate Voltage
115/208-230V AC
Exhaust Airflow @ 0.500 in SP
3,702 cfm
Compatible Curb Manufacturer Part Number
2RB80, 2ZV84, 3C438, 4C455, 4HX42, 4HX50
High-Efficiency Motor
No
Electrical Connection
Power Cord
Assembly
Unassembled
Exhaust Airflow @ 0.250 in SP
4,403 cfm
Includes Drive Package
Yes
Safety Features
Birdscreen, Windband
Maximum Static Pressure
5/8 in wc
Airflow @ 0.000 in SP
4,863 cfm
Features
Fully Rolled Windband Bead for Increased Stability and Easy Transport, Nonoverloading Centrifugal Wheel Design
Frequency
60 Hz
Includes Motor
Yes
Housing Material Fabrication
Spun
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
Exhaust Airflow @ 0.125 in SP
4,654 cfm
Motor Speed
1,725 RPM
Exhaust Airflow @ 0.000 in SP
4,863 cfm
Current
7.6/3.7 to 3.8 A
Brake Horsepower
11/20 hp
For Air Type
Clean Air
Motor Horsepower
1/2 hp
Application
Industrial and Commercial Applications
For High-Static Pressure Applications
No
Mount Type
Roof Curb
Base Shape
Square
Maximum Fan Speed
640 RPM
Motor Enclosure
Open Dripproof
Maximum Inlet Air Temperature
180 Degrees F
Motor Location
Out of Airstream
Resistance Properties
Weather Resistant

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 115/208-230V AC, Phase 1, 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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