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  9. Downblast Vent, Belt Drive, 24-1/2 In
Dayton Downblast Vent, Belt Drive, 24-1/2 In 7AU70 - main

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

  • Mfr # 7AU70

  • Zoro # G3046714

product price: $1,871.99
/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 #
7AU70
Zoro #
G3046714
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
34 in x 34 in
Base Height
1 3/4 in
Overall Dia.
42 3/4 in
Dimension A
34 in
Dimension B
42 3/4 in
Dimension D
5 3/4 in
Overall Height
40 1/8 in
Dimension C
38 3/8 in
Shaft Dia. Wheel End
1 in
Base Width
34 in
Base Square Size - Roof Ventilators
34" x 34"
Base Length
34 in
Wheel Dia.
24 1/2 in
Wheel Diameter
24 1/2 in
Housing Width
42.8 in
Damper Size
27 x 27 in
Overall Diameter
42 3/4 in
Propeller Shaft Diameter
1 in
Overall Length
42 3/4 in
Housing Length
42.8 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
115V AC/208V AC/230V AC
Motor HP - Roof Ventilators
1/3 hp
CFM @ 0.000-In. SP
4179
Motor Voltage
115/208/230
Mounting Location
Roof
Motor HP
1/3
Sones @ 0.500-In. SP @ 5 Ft.
8.0
Agency Compliance
AMCA Sound & Air, UL/cUL 705
Wheel Type
Backward Inclined
CFM @ 0.250-In. SP
3629
Adj. 6 3/8"H Roof Curb Stock No.
3C438
Adj. 12 3/8"H Roof Curb Stock No.
4C455
Drive Type
Belt Drive
Item
Centrifugal Downblast Roof Exhaust Fan
Recommended 8 In. Fixed Curb Item No.
4HX42
Assembled/Unassembled
Unassembled
Max. Operating Amps
6.6/3.0-3.3
Recommended 12 In. Fixed Curb Item No.
4HX50
Wheel Material
Aluminum
Sones @ 0.125-In. SP @ 5 Ft.
9.6
Drive Package Included
Yes
Includes
Drive Package, NEMA 1 Junction Box
Sones @ 0.250-In. SP @ 5 Ft.
8.9
Housing Material
Aluminum
RPM
550
Phase
1
Hz
60
CFM @ 0.500-In. SP
2526
Max. Inlet Temp.
180 Degrees
Speed Controllable
No
CFM @ 0.375-In. SP
3158
CFM @ 0.125-In. SP
3924
Max. BHP
0.35
Bearing Type
Regreasable Pillow Block
Standards
AMCA Sound and Air, NEMA, UL/cUL 705
Safety Features
Birdscreen, Windband
Motor Speed
1,725 RPM
Airflow @ 0.000 in SP
4,179 cfm
For High-Static Pressure Applications
No
Base Shape
Square
Exhaust Airflow @ 0.000 in SP
4,179 cfm
Nameplate Voltage
115/208-230V AC
Motor Horsepower
1/3 hp
Includes Drive Package
Yes
Assembly
Unassembled
Electrical Connection
Power Cord
Exhaust Airflow @ 0.250 in SP
3,629 cfm
Frequency
60 Hz
Sound Level
10.0 sones @ 0.000 in SP and 5 ft, 8.0 sones @ 0.500 in SP and 5 ft, 8.4 sones @ 0.375 in SP and 5 ft, 8.9 sones @ 0.250 in SP and 5 ft, 9.6 sones @ 0.125 in SP and 5 ft
Maximum Fan Speed
550 RPM
Motor Location
Out of Airstream
Mount Type
Roof Curb
Housing Material Fabrication
Spun
Brake Horsepower
7/20 hp
Exhaust Airflow @ 0.375 in SP
3,158 cfm
Exhaust Airflow @ 0.500 in SP
2,526 cfm
Features
Fully Rolled Windband Bead for Increased Stability and Easy Transport, Nonoverloading Centrifugal Wheel Design
For Air Type
Clean Air
Application
Industrial and Commercial Applications
Maximum Inlet Air Temperature
180 Degrees F
Maximum Static Pressure
1/2 in wc
Current
6.6/3.4 to 3.1 A
Exhaust Airflow @ 0.125 in SP
3,924 cfm
Includes Motor
Yes
Resistance Properties
Weather Resistant
Compatible Curb Manufacturer Part Number
2RB80, 2ZV84, 3C438, 4C455, 4HX42, 4HX50
Motor Enclosure
Open Dripproof
High-Efficiency Motor
No

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 1/3 hp, Exhaust Airflow @ 0.000 in SP 4,179 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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