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  9. Downblast Vent, Belt Drive, 24-1/2 In
Dayton Downblast Vent, Belt Drive, 24-1/2 In 7AU77 - main

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

  • Mfr # 7AU77

  • Zoro # G2983985

product price: $2,144.99
/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 #
7AU77
Zoro #
G2983985
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
34 in x 34 in
Base Square Size - Roof Ventilators
34" x 34"
Base Height
1 3/4 in
Dimension A
34 in
Wheel Dia.
24 1/2 in
Dimension D
5 3/4 in
Overall Dia.
42 3/4 in
Dimension C
38 3/8 in
Base Length
34 in
Shaft Dia. Wheel End
1 in
Base Width
34 in
Overall Height
40 1/8 in
Dimension B
42 3/4 in
Overall Length
42 3/4 in
Housing Width
42.8 in
Damper Size
27 x 27 in
Overall Diameter
42 3/4 in
Housing Length
42.8 in
Propeller Shaft Diameter
1 in
Overall Width
42 3/4 in
Wheel Diameter
24 1/2 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/230V AC
Motor HP - Roof Ventilators
1 1/2 hp
CFM @ 0.000-In. SP
6801
Agency Compliance
AMCA Sound & Air, UL/cUL 705
Speed Controllable
No
Item
Centrifugal Downblast Roof Exhaust Fan
Drive Type
Belt Drive
Sones @ 0.250-In. SP @ 5 Ft.
18.8
RPM
895
Recommended 8 In. Fixed Curb Item No.
4HX42
CFM @ 0.125-In. SP
6651
Motor HP
1-1/2
CFM @ 0.750-In. SP
5723
Wheel Material
Aluminum
Motor Voltage
115/230
CFM @ 0.625-In. SP
5960
Phase
1
CFM @ 0.250-In. SP
6501
Hz
60
Includes
Drive Package, NEMA 1 Junction Box
Drive Package Included
Yes
Max. Operating Amps
19.6/9.8
Housing Material
Aluminum
CFM @ 0.375-In. SP
6323
CFM @ 0.500-In. SP
6142
Assembled/Unassembled
Unassembled
Max. BHP
1.50
Max. Inlet Temp.
180 Degrees
CFM @ 1.000-In. SP
5122
Sones @ 0.125-In. SP @ 5 Ft.
19.1
Sones @ 0.500-In. SP @ 5 Ft.
18.2
Adj. 6 3/8"H Roof Curb Stock No.
3C438
Recommended 12 In. Fixed Curb Item No.
4HX50
CFM @ 0.875-In. SP
5435
Adj. 12 3/8"H Roof Curb Stock No.
4C455
Mounting Location
Roof
Wheel Type
Backward Inclined
CFM @ 1.250-In. SP
4401
Standards
AMCA Sound and Air, NEMA, UL/cUL 705
Bearing Type
Regreasable Pillow Block
Exhaust Airflow @ 0.500 in SP
6,142 cfm
Mount Type
Roof Curb
Resistance Properties
Weather Resistant
Motor Location
Out of Airstream
Sound Level
15.5 sones @ 1.250 in SP and 5 ft, 16.9 sones @ 1.000 in SP and 5 ft, 17.3 sones @ 0.875 in SP and 5 ft, 17.6 sones @ 0.750 in SP and 5 ft, 18.0 sones @ 0.625 in SP and 5 ft, 18.2 sones @ 0.500 in SP and 5 ft, 18.5 sones @ 0.375 in SP and 5 ft, 18.8 sones @ 0.250 in SP and 5 ft, 19.1 sones @ 0.125 in SP and 5 ft, 19.4 sones @ 0.000 in SP and 5 ft
For High-Static Pressure Applications
No
Includes Motor
Yes
For Air Type
Clean Air
Base Shape
Square
Motor Speed
1,725 RPM
High-Efficiency Motor
No
Maximum Fan Speed
895 RPM
Exhaust Airflow @ 0.125 in SP
6,651 cfm
Current
19.6/9.8 A
Housing Material Fabrication
Spun
Includes Drive Package
Yes
Exhaust Airflow @ 0.375 in SP
6,323 cfm
Features
Fully Rolled Windband Bead for Increased Stability and Easy Transport, Nonoverloading Centrifugal Wheel Design
Frequency
60 Hz
Application
Industrial and Commercial Applications
Airflow @ 0.000 in SP
6,801 cfm
Exhaust Airflow @ 0.250 in SP
6,501 cfm
Electrical Connection
Power Cord
Motor Enclosure
Open Dripproof
Motor Horsepower
1 1/2 hp
Brake Horsepower
1 1/2 hp
Safety Features
Birdscreen, Windband
Maximum Inlet Air Temperature
180 Degrees F
Nameplate Voltage
115/230V AC
Assembly
Unassembled
Maximum Static Pressure
1 1/4 in wc
Compatible Curb Manufacturer Part Number
2RB80, 2ZV84, 3C438, 4C455, 4HX42, 4HX50
Exhaust Airflow @ 0.000 in SP
6,801 cfm

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 115/230V AC, Phase 1, Motor Horsepower 1 1/2 hp, Exhaust Airflow @ 0.000 in SP 6,801 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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