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  9. Downblast Vent, Belt Drive, 21-1/2 In
Dayton Downblast Vent, Belt Drive, 21-1/2 In 7AF19 - main

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

  • Mfr # 7AF19

  • Zoro # G1708481

product price: $2,311.99
/ea
Item requires special delivery charges. A $205.00 per item surcharge will be applied.

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 #
7AF19
Zoro #
G1708481
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
30 in x 30 in
Overall Dia.
35 1/2 in
Base Square Size - Roof Ventilators
30" x 30"
Base Width
30 in
Shaft Dia. Wheel End
3/4 in
Dimension B
35 1/2 in
Dimension C
34 3/8 in
Overall Height
36 1/8 in
Wheel Dia.
21 1/2 in
Base Height
1 3/4 in
Dimension A
30 in
Base Length
30 in
Dimension D
5 1/2 in
Damper Size
23 x 23 in
Overall Length
35 1/2 in
Overall Width
35 1/2 in
Propeller Shaft Diameter
3/4 in
Housing Length
35.5 in
Housing Width
35.5 in
Overall Diameter
35 1/2 in
Wheel Diameter
21 1/2 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
208V AC/230V AC/460V AC
Motor HP - Roof Ventilators
1 hp
CFM @ 0.000-In. SP
5340
CFM @ 0.500-In. SP
4520
Item
Centrifugal Downblast Roof Exhaust Fan
Hz
60
Phase
3
Drive Type
Belt Drive
Max. Inlet Temp.
180 Degrees
CFM @ 0.625-In. SP
4285
RPM
965
CFM @ 0.875-In. SP
3689
Adj. 12 3/8"H Roof Curb Stock No.
2ZV83
CFM @ 1.000-In. SP
3240
Mounting Location
Roof
Motor Voltage
208/230/460
Recommended 12 In. Fixed Curb Item No.
2RB79
Wheel Type
Backward Inclined
Wheel Material
Aluminum
Recommended 8 In. Fixed Curb Item No.
4HX41
Includes
Hazardous Location Motor
Sones @ 0.250-In. SP @ 5 Ft.
15.4
Sones @ 0.500-In. SP @ 5 Ft.
14.5
Max. BHP
1.09
CFM @ 0.125-In. SP
5158
CFM @ 0.750-In. SP
4015
Adj. 6 3/8"H Roof Curb Stock No.
4c454
Speed Controllable
No
Motor HP
1
Agency Compliance
& G hazardous locations, F, Motor only UL Listed for Class I Groups C & D andClass II Groups E
Drive Package Included
Yes
CFM @ 0.375-In. SP
4720
CFM @ 0.250-In. SP
4927
Assembled/Unassembled
Unassembled
Sones @ 0.125-In. SP @ 5 Ft.
16
Housing Material
Aluminum
Max. Operating Amps
3.4-3.6/1.8
Standards
AMCA Sound and Air, UL
Bearing Type
Regreasable Pillow Block
Brake Horsepower
77/100 hp
Electrical Connection
Power Cord
Includes Drive Package
Yes
Includes Motor
Yes
Resistance Properties
Weather Resistant
Assembly
Unassembled
Exhaust Airflow @ 0.375 in SP
4,720 cfm
Frequency
60 Hz
Exhaust Airflow @ 0.000 in SP
5,340 cfm
Safety Features
Birdscreen
Housing Material Fabrication
Spun
Exhaust Airflow @ 0.125 in SP
5,158 cfm
Sound Level
11.1 sones @ 0.750 in SP and 5 ft, 11.4 sones @ 0.625 in SP and 5 ft, 11.4 sones @ 0.875 in SP and 5 ft, 11.8 sones @ 0.500 in SP and 5 ft, 12.4 sones @ 0.375 in SP and 5 ft, 12.9 sones @ 0.250 in SP and 5 ft, 13.3 sones @ 0.125 in SP and 5 ft, 14.1 sones @ 0.000 in SP and 5 ft
Exhaust Airflow @ 0.500 in SP
4,520 cfm
Compatible Curb Manufacturer Part Number
2RB79, 2ZV83, 3C437, 4C454, 4HX40, 4HX41, 4HX49
Maximum Fan Speed
860 RPM
Motor Location
Out of Airstream
Current
3.4 to 3.6/1.8 A
For Air Type
Flammable Vapor
Motor Horsepower
3/4 hp
Maximum Inlet Air Temperature
180 Degrees F
High-Efficiency Motor
No
For High-Static Pressure Applications
No
Base Shape
Square
Airflow @ 0.000 in SP
4,759 cfm
Mount Type
Roof Curb
Motor Speed
1,725 RPM
Maximum Static Pressure
7/8 in wc
Exhaust Airflow @ 0.250 in SP
4,927 cfm
Motor Enclosure
Totally Enclosed Fan Cooled
Features
Nonoverloading Centrifugal Wheel Design
Application
Industrial and Commercial Applications
Nameplate Voltage
208-230/460V AC
Hazardous Location Specification
Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group G

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 208-230/460V AC, Phase 3, Motor Horsepower 3/4 hp, Exhaust Airflow @ 0.000 in SP 5,340 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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