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  9. Downblast Vent, Belt Drive, 21-1/2 In
Dayton Downblast Vent, Belt Drive, 21-1/2 In 7A568 - main

Downblast Vent, Belt Drive, 21-1/2 In

  • Mfr # 7A568

  • Zoro # G3051842

product price: $1,648.99
/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 #
7A568
Zoro #
G3051842
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
30 in x 30 in
Base Height
1 3/4 in
Dimension D
5 1/2 in
Dimension B
35 1/2 in
Base Square Size - Roof Ventilators
30" x 30"
Shaft Dia. Wheel End
3/4 in
Base Width
30 in
Dimension C
34 3/8 in
Base Length
30 in
Overall Dia.
35 1/2 in
Overall Height
36 1/8 in
Dimension A
30 in
Wheel Dia.
21 1/2 in
Overall Length
35 1/2 in
Housing Length
35.5 in
Propeller Shaft Diameter
3/4 in
Overall Width
35 1/2 in
Wheel Diameter
21 1/2 in
Overall Diameter
35 1/2 in
Damper Size
23 x 23 in
Housing Width
35.5 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
1/3 hp
CFM @ 0.000-In. SP
3680
Housing Material
Aluminum
CFM @ 0.250-In. SP
3085
Motor Voltage
115/208/230
Assembled/Unassembled
Unassembled
Motor HP
1/3
Max. Inlet Temp.
180 Degrees
Adj. 6 3/8"H Roof Curb Stock No.
4c454
Sones @ 0.125-In. SP @ 5 Ft.
9.0
Recommended 8 In. Fixed Curb Item No.
4HX41
Hz
60
Agency Compliance
AMCA Sound & Air, UL/cUL 705
CFM @ 0.500-In. SP
2087
Wheel Type
Backward Inclined
Item
Centrifugal Downblast Roof Exhaust Fan
Wheel Material
Aluminum
Drive Package Included
Yes
Sones @ 0.500-In. SP @ 5 Ft.
6.7
Phase
1
Adj. 12 3/8"H Roof Curb Stock No.
3C437
Drive Type
Belt Drive
Speed Controllable
No
CFM @ 0.125-In. SP
3378
Sones @ 0.250-In. SP @ 5 Ft.
8.5
Max. BHP
0.35
CFM @ 0.375-In. SP
2706
Mounting Location
Roof
Recommended 12 In. Fixed Curb Item No.
4HX49
Includes
Drive Package, NEMA 1 Junction Box
RPM
665
Bearing Type
Regreasable Pillow Block
Standards
AMCA Sound and Air, UL/cUL 705
Maximum Inlet Air Temperature
180 Degrees F
Motor Enclosure
Open Dripproof
Nameplate Voltage
115/208-230V AC
Current
6.6/3.4 to 3.1 A
Application
Industrial and Commercial Applications
Frequency
60 Hz
Mount Type
Roof Curb
Exhaust Airflow @ 0.125 in SP
3,378 cfm
Includes Motor
Yes
Exhaust Airflow @ 0.000 in SP
3,680 cfm
Brake Horsepower
7/20 hp
Compatible Curb Manufacturer Part Number
2RB79, 2ZV83, 3C437, 4C454, 4HX41, 4HX49
Maximum Static Pressure
1/2 in wc
Includes Drive Package
Yes
For High-Static Pressure Applications
No
High-Efficiency Motor
No
Sound Level
6.7 sones @ 0.500 in SP and 5 ft, 7.7 sones @ 0.375 in SP and 5 ft, 8.5 sones @ 0.250 in SP and 5 ft, 9.0 sones @ 0.125 in SP and 5 ft, 9.6 sones @ 0.000 in SP and 5 ft
Motor Location
Out of Airstream
Housing Material Fabrication
Spun
For Air Type
Clean Air
Exhaust Airflow @ 0.375 in SP
2,706 cfm
Motor Horsepower
1/3 hp
Exhaust Airflow @ 0.250 in SP
3,085 cfm
Safety Features
Birdscreen, Windband
Resistance Properties
Weather Resistant
Airflow @ 0.000 in SP
3,680 cfm
Maximum Fan Speed
665 RPM
Exhaust Airflow @ 0.500 in SP
2,087 cfm
Features
Fully Rolled Windband Bead for Increased Stability and Easy Transport, NEMA 1 Junction Box Located in Motor Enclosure
Electrical Connection
Power Cord
Assembly
Unassembled
Motor Speed
1,725 RPM
Spark Resistant Construction Type
A
Base Shape
Square

Description

Centrifugal Downblast Roof Exhaust Fan, Drive Type Belt Drive, Assembly Unassembled, Wheel Diameter 21 1/2 in, Base Diameter Not Applicable, Base Length 30 in, Base Width 30 in, Base Shape Square, Nameplate Voltage 115/208-230V AC, Phase 1, Motor Horsepower 1/3 hp, Exhaust Airflow @ 0.000 in SP 3,680 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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