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  9. Downblast Vent, Belt Drive, 30-1/2 In
Dayton Downblast Vent, Belt Drive, 30-1/2 In 7A579 - main

Downblast Vent, Belt Drive, 30-1/2 In

  • Mfr # 7A579

  • Zoro # G1307022

product price: $2,700.99
/ea
Additional $160.00 delivery surcharge applies per item.
See details

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 #
7A579
Zoro #
G1307022
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
42 in x 42 in
Dimension A
42 in
Base Width
42 in
Dimension B
50 in
Shaft Dia. Wheel End
1 in
Base Length
42 in
Wheel Dia.
30-1/2 in
Overall Dia.
50 in
Dimension C
36 in
Dimension D
8 25/100 in
Base Square Size - Roof Ventilators
42" x 42"
Overall Height
37 3/4 in
Base Height
1 3/4 in
Overall Length
50 in
Housing Length
50 in
Housing Width
50 in
Overall Diameter
50 in
Overall Width
50 in
Damper Size
35 x 35 in
Wheel Diameter
30 1/2 in
Propeller Shaft Diameter
1 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
3/4 hp
CFM @ 0.000-In. SP
7694
Agency Compliance
AMCA Sound & Air, UL/cUL 705
Assembled/Unassembled
Unassembled
Recommended 12 In. Fixed Curb Item No.
4HX51
Wheel Material
Aluminum
Phase
1
Drive Type
Belt Drive
RPM
475
Max. Inlet Temp.
180 Degrees
Hz
60
Housing Material
Aluminum
CFM @ 0.250-In. SP
6616
Wheel Type
Backward Inclined
Motor HP
3/4
Motor Voltage
115/230
Mounting Location
Roof
Sones @ 0.500-In. SP @ 5 Ft.
8.1
CFM @ 0.125-In. SP
7197
Adj. 6 3/8"H Roof Curb Stock No.
4c455
Sones @ 0.250-In. SP @ 5 Ft.
9.6
Speed Controllable
No
Sones @ 0.125-In. SP @ 5 Ft.
10.6
Adj. 12 3/8"H Roof Curb Stock No.
3C438
CFM @ 0.500-In. SP
5095
Drive Package Included
Yes
Includes
Drive Package, NEMA 1 Junction Box
Max. BHP
0.77
Recommended 8 In. Fixed Curb Item No.
4HX43
CFM @ 0.375-In. SP
5955
Item
Centrifugal Downblast Roof Exhaust Fan
Standards
AMCA Sound and Air, UL/cUL 705
Bearing Type
Regreasable Pillow Block
Application
Industrial and Commercial Applications
Motor Speed
1,725 RPM
Sound Level
10.6 sones @ 0.125 in SP and 5 ft, 11.4 sones @ 0.000 in SP and 5 ft, 8.1 sones @ 0.500 in SP and 5 ft, 8.8 sones @ 0.375 in SP and 5 ft, 9.6 sones @ 0.250 in SP and 5 ft
Safety Features
Birdscreen, Windband
Electrical Connection
Power Cord
Motor Location
Out of Airstream
For Air Type
Clean Air
Spark Resistant Construction Type
A
Maximum Static Pressure
1/2 in wc
Compatible Curb Manufacturer Part Number
2RB81, 2ZV84, 3C438, 4C455, 4HX43, 4HX51
Exhaust Airflow @ 0.000 in SP
7,694 cfm
Current
7.0/3.5 A
Includes Drive Package
Yes
Brake Horsepower
77/100 hp
Exhaust Airflow @ 0.250 in SP
6,616 cfm
Housing Material Fabrication
Spun
Resistance Properties
Weather Resistant
Exhaust Airflow @ 0.375 in SP
5,955 cfm
Nameplate Voltage
115/230V AC
Exhaust Airflow @ 0.500 in SP
5,095 cfm
Maximum Inlet Air Temperature
180 Degrees F
Airflow @ 0.000 in SP
7,694 cfm
Assembly
Unassembled
Maximum Fan Speed
475 RPM
Features
Fully Rolled Windband Bead for Increased Stability and Easy Transport, NEMA 1 Junction Box Located in Motor Enclosure
Motor Horsepower
3/4 hp
Mount Type
Roof Curb
Includes Motor
Yes
Frequency
60 Hz
Exhaust Airflow @ 0.125 in SP
7,197 cfm
High-Efficiency Motor
No
Motor Enclosure
Open Dripproof
For High-Static Pressure Applications
No
Base Shape
Square

Description

Centrifugal Downblast Roof Exhaust Fan, Drive Type Belt Drive, Assembly Unassembled, Wheel Diameter 30 1/2 in, Base Diameter Not Applicable, Base Length 42 in, Base Width 42 in, Base Shape Square, Nameplate Voltage 115/230V AC, Phase 1, Motor Horsepower 3/4 hp, Exhaust Airflow @ 0.000 in SP 7,694 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, Maximum Static Pressure 1/2 in wc

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