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  9. Downblast Vent, Belt Drive, 24-1/2 In
Dayton Downblast Vent, Belt Drive, 24-1/2 In 7A574 - main

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

  • Mfr # 7A574

  • Zoro # G2751357

product price: $2,041.99
/ea
Item requires special delivery charges. A $100.00 per item surcharge will be applied.

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 #
7A574
Zoro #
G2751357
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
34 in x 34 in
Base Square Size - Roof Ventilators
34" x 34"
Wheel Dia.
24 1/2 in
Overall Height
40 1/8 in
Dimension D
5 3/4 in
Base Width
34 in
Overall Dia.
42 3/4 in
Dimension C
38 3/8 in
Base Height
1 3/4 in
Base Length
34 in
Dimension A
34 in
Dimension B
42 3/4 in
Shaft Dia. Wheel End
1 in
Propeller Shaft Diameter
1 in
Overall Width
42 3/4 in
Damper Size
27 x 27 in
Housing Width
42.8 in
Overall Diameter
42 3/4 in
Wheel Diameter
24 1/2 in
Overall Length
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
5371
Mounting Location
Roof
Wheel Type
Backward Inclined
Phase
1
Motor Voltage
115/208/230
CFM @ 0.625-In. SP
2112
Max. Inlet Temp.
180 Degrees
Drive Type
Belt Drive
Recommended 8 In. Fixed Curb Item No.
4HX42
RPM
585
Sones @ 0.500-In. SP @ 5 Ft.
8.2
Agency Compliance
AMCA Sound & Air, UL/cUL 705
Housing Material
Aluminum
Wheel Material
Aluminum
Drive Package Included
Yes
Item
Centrifugal Downblast Roof Exhaust Fan
Assembled/Unassembled
Unassembled
Recommended 12 In. Fixed Curb Item No.
4HX50
Adj. 6 3/8"H Roof Curb Stock No.
4c455
Includes
Drive Package, NEMA 1 Junction Box
Adj. 12 3/8"H Roof Curb Stock No.
3C438
Sones @ 0.250-In. SP @ 5 Ft.
9.1
Hz
60
Motor HP
1/2
Speed Controllable
No
CFM @ 0.250-In. SP
4666
CFM @ 0.125-In. SP
5031
CFM @ 0.375-In. SP
4195
CFM @ 0.500-In. SP
3562
Max. BHP
0.55
Sones @ 0.125-In. SP @ 5 Ft.
9.7
Standards
AMCA Sound and Air, UL/cUL 705
Bearing Type
Regreasable Pillow Block
Sound Level
10.3 sones @ 0.000 in SP and 5 ft, 7.2 sones @ 0.625 in SP and 5 ft, 8.2 sones @ 0.500 in SP and 5 ft, 8.8 sones @ 0.375 in SP and 5 ft, 9.1 sones @ 0.250 in SP and 5 ft, 9.7 sones @ 0.125 in SP and 5 ft
Nameplate Voltage
115/208-230V AC
Motor Horsepower
1/2 hp
Current
7.6/3.7 to 3.8 A
Mount Type
Roof Curb
Features
Fully Rolled Windband Bead for Increased Stability and Easy Transport, NEMA 1 Junction Box Located in Motor Enclosure
Includes Motor
Yes
Resistance Properties
Weather Resistant
Exhaust Airflow @ 0.125 in SP
5,031 cfm
Exhaust Airflow @ 0.000 in SP
5,371 cfm
Exhaust Airflow @ 0.500 in SP
3,562 cfm
Brake Horsepower
11/20 hp
Maximum Static Pressure
5/8 in wc
For High-Static Pressure Applications
No
Electrical Connection
Power Cord
Base Shape
Square
Frequency
60 Hz
Airflow @ 0.000 in SP
5,371 cfm
Spark Resistant Construction Type
A
Exhaust Airflow @ 0.250 in SP
4,666 cfm
Maximum Inlet Air Temperature
180 Degrees F
For Air Type
Clean Air
Motor Location
Out of Airstream
Application
Industrial and Commercial Applications
Safety Features
Birdscreen, Windband
Compatible Curb Manufacturer Part Number
2RB80, 2ZV84, 3C438, 4C455, 4HX42, 4HX50
Maximum Fan Speed
585 RPM
Motor Enclosure
Open Dripproof
Assembly
Unassembled
Exhaust Airflow @ 0.375 in SP
4,195 cfm
High-Efficiency Motor
No
Includes Drive Package
Yes
Motor Speed
1,725 RPM
Housing Material Fabrication
Spun

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 5,371 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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