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  9. Downblast Vent, Belt Drive, 30-1/2 In
Dayton Downblast Vent, Belt Drive, 30-1/2 In 7A578 - main

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

  • Mfr # 7A578

  • Zoro # G3340111

product price: $2,565.99
/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 #
7A578
Zoro #
G3340111
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
42 in x 42 in
Overall Dia.
50 in
Base Width
42 in
Wheel Dia.
30 1/2 in
Base Height
1 3/4 in
Overall Height
37 3/4 in
Base Square Size - Roof Ventilators
42" x 42"
Dimension C
36 in
Dimension D
8 25/100 in
Base Length
42 in
Dimension A
42 in
Shaft Dia. Wheel End
1 in
Dimension B
50 in
Propeller Shaft Diameter
1 in
Housing Width
50 in
Overall Diameter
50 in
Damper Size
35 x 35 in
Wheel Diameter
30 1/2 in
Housing Length
50 in
Overall Width
50 in
Overall Length
50 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
6803
CFM @ 0.125-In. SP
6222
Motor HP
1/2
Max. Inlet Temp.
180 Degrees
Wheel Type
Backward Inclined
Housing Material
Aluminum
Recommended 8 In. Fixed Curb Item No.
4HX43
CFM @ 0.250-In. SP
5537
Speed Controllable
No
Mounting Location
Roof
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
CFM @ 0.375-In. SP
4641
Item
Centrifugal Downblast Roof Exhaust Fan
Wheel Material
Aluminum
Drive Package Included
Yes
Motor Voltage
115/208/230
Phase
1
Drive Type
Belt Drive
Recommended 12 In. Fixed Curb Item No.
4HX51
Sones @ 0.250-In. SP @ 5 Ft.
7.0
Assembled/Unassembled
Unassembled
Max. BHP
0.53
Hz
60
Sones @ 0.125-In. SP @ 5 Ft.
8.0
Agency Compliance
AMCA Sound & Air, UL/cUL 705
RPM
420
Standards
AMCA Sound and Air, UL/cUL 705
Bearing Type
Regreasable Pillow Block
Frequency
60 Hz
Brake Horsepower
53/100 hp
Safety Features
Birdscreen, Windband
Sound Level
6.5 sones @ 0.375 in SP and 5 ft, 7.0 sones @ 0.250 in SP and 5 ft, 8.0 sones @ 0.125 in SP and 5 ft, 9.6 sones @ 0.000 in SP and 5 ft
Exhaust Airflow @ 0.000 in SP
6,803 cfm
Maximum Static Pressure
3/8 in wc
Compatible Curb Manufacturer Part Number
2RB81, 2ZV84, 3C438, 4C455, 4HX43, 4HX51
Exhaust Airflow @ 0.375 in SP
4,641 cfm
Application
Industrial and Commercial Applications
Features
Fully Rolled Windband Bead for Increased Stability and Easy Transport, NEMA 1 Junction Box Located in Motor Enclosure
Exhaust Airflow @ 0.125 in SP
6,222 cfm
Mount Type
Roof Curb
Motor Horsepower
1/2 hp
High-Efficiency Motor
No
Spark Resistant Construction Type
A
Motor Location
Out of Airstream
Includes Motor
Yes
For High-Static Pressure Applications
No
Maximum Fan Speed
420 RPM
Airflow @ 0.000 in SP
6,803 cfm
Current
7.6/3.7 to 3.8 A
Includes Drive Package
Yes
Electrical Connection
Power Cord
Motor Speed
1,725 RPM
Base Shape
Square
Nameplate Voltage
115/208-230V AC
For Air Type
Clean Air
Exhaust Airflow @ 0.250 in SP
5,537 cfm
Resistance Properties
Weather Resistant
Motor Enclosure
Open Dripproof
Maximum Inlet Air Temperature
180 Degrees F
Housing Material Fabrication
Spun
Assembly
Unassembled

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 115/208-230V AC, Phase 1, Motor Horsepower 1/2 hp, Exhaust Airflow @ 0.000 in SP 6,803 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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