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  9. Downblast Vent, Belt Drive, 21-1/2 In
Dayton Downblast Vent, Belt Drive, 21-1/2 In 7AF16 - main

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

  • Mfr # 7AF16

  • Zoro # G0272483

product price: $2,045.99
/ea
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Key Features

Item - Roof Ventilators
Downblast Ventilator
Drive Package With Motor Included
Yes
Duty Rating - Roof Ventilators
Hazardous Location
Drive Type - Roof Ventilators
Belt Drive
Mounting Location - Roof Ventilators
Roof
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Specifications

Product Information

MFR #
7AF16
Zoro #
G0272483
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
30 in x 30 in
Shaft Dia. Wheel End
3/4 in
Dimension B
35 1/2 in
Base Length
30 in
Overall Dia.
35 1/2 in
Wheel Dia.
21 1/2 in
Overall Height
36 1/8 in
Base Square Size - Roof Ventilators
30" x 30"
Dimension A
30 in
Base Height
1 3/4 in
Dimension C
34 3/8 in
Dimension D
5 1/2 in
Base Width
30 in
Overall Length
35 1/2 in
Damper Size
23 x 23 in
Overall Width
35 1/2 in
Housing Width
35.5 in
Housing Length
35.5 in
Overall Diameter
35 1/2 in
Wheel Diameter
21 1/2 in
Propeller Shaft Diameter
3/4 in

Details

Item - Roof Ventilators
Downblast Ventilator
Drive Package With Motor Included
Yes
Duty Rating - Roof Ventilators
Hazardous Location
Drive Type - Roof Ventilators
Belt Drive
Mounting Location - Roof Ventilators
Roof
Number of Speeds
1
Voltage - Roof Ventilators
230V AC/460V AC
Motor HP - Roof Ventilators
1/3 hp
CFM @ 0.000-In. SP
3680
Agency Compliance
& G hazardous locations, F, Motor only UL Listed for Class I Groups C & D andClass II Groups E
Hz
60
Wheel Type
Backward Inclined
Sones @ 0.125-In. SP @ 5 Ft.
9.0
Speed Controllable
No
Adj. 12 3/8"H Roof Curb Stock No.
2ZV83
RPM
665
Wheel Material
Aluminum
Max. BHP
0.35
Recommended 12 In. Fixed Curb Item No.
2RB79
Item
Centrifugal Downblast Roof Exhaust Fan
Drive Type
Belt Drive
CFM @ 0.375-In. SP
2706
Mounting Location
Roof
Motor Voltage
230/460
Includes
Hazardous Location Motor
CFM @ 0.125-In. SP
3378
CFM @ 0.250-In. SP
3085
Sones @ 0.250-In. SP @ 5 Ft.
8.5
Phase
3
CFM @ 0.500-In. SP
2087
Max. Inlet Temp.
180 Degrees
Max. Operating Amps
1.2/0.6
Sones @ 0.500-In. SP @ 5 Ft.
6.7
Motor HP
1/3
Drive Package Included
Yes
Assembled/Unassembled
Unassembled
Housing Material
Aluminum
Adj. 6 3/8"H Roof Curb Stock No.
4c454
Recommended 8 In. Fixed Curb Item No.
4HX41
Bearing Type
Regreasable Pillow Block
Standards
AMCA Sound and Air, UL
Includes Motor
Yes
Current
1.2/0.6 A
Maximum Inlet Air Temperature
180 Degrees F
Motor Enclosure
Totally Enclosed Fan Cooled
Resistance Properties
Weather Resistant
Frequency
60 Hz
Electrical Connection
Power Cord
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
Nameplate Voltage
230/460V AC
Base Shape
Square
Maximum Fan Speed
665 RPM
Exhaust Airflow @ 0.500 in SP
2,087 cfm
Housing Material Fabrication
Spun
Motor Horsepower
1/3 hp
Exhaust Airflow @ 0.000 in SP
3,680 cfm
Includes Drive Package
Yes
Motor Speed
1,725 RPM
Exhaust Airflow @ 0.250 in SP
3,085 cfm
For Air Type
Flammable Vapor
Maximum Static Pressure
1/2 in wc
Compatible Curb Manufacturer Part Number
2RB79, 2ZV83, 3C437, 4C454, 4HX40, 4HX41, 4HX49
Hazardous Location Specification
Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group G
Brake Horsepower
7/20 hp
Assembly
Unassembled
Application
Industrial and Commercial Applications
Airflow @ 0.000 in SP
3,680 cfm
Mount Type
Roof Curb
Exhaust Airflow @ 0.375 in SP
2,706 cfm
High-Efficiency Motor
No
Motor Location
Out of Airstream
For High-Static Pressure Applications
No
Safety Features
Birdscreen
Features
Nonoverloading Centrifugal Wheel Design
Exhaust Airflow @ 0.125 in SP
3,378 cfm

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 230/460V AC, Phase 3, 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 Flammable Vapor, Includes Drive Package Yes, Includes Motor Yes, Mounting Location Roof

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