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  9. Downblast Vent, Belt Drive, 30-1/2 In
Dayton Downblast Vent, Belt Drive, 30-1/2 In 7A581 - main

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

  • Mfr # 7A581

  • Zoro # G2720593

product price: $2,758.99
/ea
Additional $170.00 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 #
7A581
Zoro #
G2720593
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
42 in x 42 in
Dimension D
8 25/100 in
Dimension A
42 in
Overall Dia.
50 in
Shaft Dia. Wheel End
1 in
Wheel Dia.
30 1/2 in
Dimension B
50 in
Overall Height
37 3/4 in
Base Length
42 in
Base Height
1 3/4 in
Base Square Size - Roof Ventilators
42" x 42"
Base Width
42 in
Dimension C
36 in
Housing Length
50 in
Wheel Diameter
30 1/2 in
Propeller Shaft Diameter
1 in
Housing Width
50 in
Overall Width
50 in
Overall Length
50 in
Overall Diameter
50 in
Damper Size
35 x 35 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
9719
Housing Material
Aluminum
CFM @ 0.625-In. SP
7388
Includes
Drive Package, NEMA 1 Junction Box
CFM @ 0.375-In. SP
8446
Adj. 6 3/8"H Roof Curb Stock No.
4c455
Max. BHP
1.55
Recommended 8 In. Fixed Curb Item No.
4HX43
RPM
600
CFM @ 0.500-In. SP
7952
Item
Centrifugal Downblast Roof Exhaust Fan
Wheel Material
Aluminum
Mounting Location
Roof
Sones @ 0.500-In. SP @ 5 Ft.
13.8
Speed Controllable
No
Sones @ 0.250-In. SP @ 5 Ft.
14.9
Phase
1
Motor HP
1-1/2
Drive Type
Belt Drive
Recommended 12 In. Fixed Curb Item No.
4HX51
CFM @ 0.750-In. SP
6721
CFM @ 0.875-In. SP
5743
Assembled/Unassembled
Unassembled
CFM @ 0.250-In. SP
8907
Motor Voltage
115/230
Hz
60
Adj. 12 3/8"H Roof Curb Stock No.
3C438
CFM @ 0.125-In. SP
9334
Max. Inlet Temp.
180 Degrees
Drive Package Included
Yes
Wheel Type
Backward Inclined
Agency Compliance
AMCA Sound & Air, UL/cUL 705
Sones @ 0.125-In. SP @ 5 Ft.
15.4
Bearing Type
Regreasable Pillow Block
Standards
AMCA Sound and Air, UL/cUL 705
Airflow @ 0.000 in SP
9,719 cfm
For High-Static Pressure Applications
No
Maximum Inlet Air Temperature
180 Degrees F
Application
Industrial and Commercial Applications
Base Shape
Square
Exhaust Airflow @ 0.375 in SP
8,446 cfm
Motor Speed
1,725 RPM
Frequency
60 Hz
Exhaust Airflow @ 0.000 in SP
9,719 cfm
Includes Drive Package
Yes
Safety Features
Birdscreen, Windband
Brake Horsepower
1 11/20 hp
Sound Level
11.1 sones @ 0.875 in SP and 5 ft, 12.2 sones @ 0.750 in SP and 5 ft, 13.2 sones @ 0.625 in SP and 5 ft, 13.8 sones @ 0.500 in SP and 5 ft, 14.3 sones @ 0.375 in SP and 5 ft, 14.9 sones @ 0.250 in SP and 5 ft, 15.4 sones @ 0.125 in SP and 5 ft, 15.9 sones @ 0.000 in SP and 5 ft
Spark Resistant Construction Type
A
For Air Type
Clean Air
Assembly
Unassembled
Motor Horsepower
1 1/2 hp
Current
19.6/9.8 A
Features
Fully Rolled Windband Bead for Increased Stability and Easy Transport, NEMA 1 Junction Box Located in Motor Enclosure
Motor Enclosure
Open Dripproof
Exhaust Airflow @ 0.500 in SP
7,952 cfm
Exhaust Airflow @ 0.125 in SP
9,334 cfm
High-Efficiency Motor
No
Includes Motor
Yes
Exhaust Airflow @ 0.250 in SP
8,907 cfm
Maximum Fan Speed
600 RPM
Motor Location
Out of Airstream
Housing Material Fabrication
Spun
Maximum Static Pressure
7/8 in wc
Nameplate Voltage
115/230V AC
Compatible Curb Manufacturer Part Number
2RB81, 2ZV84, 3C438, 4C455, 4HX43, 4HX51
Resistance Properties
Weather Resistant
Mount Type
Roof Curb
Electrical Connection
Power Cord

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 1 1/2 hp, Exhaust Airflow @ 0.000 in SP 9,719 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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