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  9. Downblast Vent, Belt Drive, 18-1/2 In
Dayton Downblast Vent, Belt Drive, 18-1/2 In 7AF12 - main

Downblast Vent, Belt Drive, 18-1/2 In

  • Mfr # 7AF12

  • Zoro # G2116344

product price: $2,097.99
/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 #
7AF12
Zoro #
G2116344
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
30 in x 30 in
Dimension D
5 1/2 in
Base Square Size - Roof Ventilators
30" x 30"
Overall Height
36 1/8 in
Dimension A
30 in
Base Width
30 in
Dimension B
35 1/2 in
Shaft Dia. Wheel End
3/4 in
Overall Dia.
35 1/2 in
Dimension C
34 3/8 in
Base Height
1 3/4 in
Wheel Dia.
18 1/2 in
Base Length
30 in
Overall Length
35 1/2 in
Propeller Shaft Diameter
3/4 in
Overall Width
35 1/2 in
Housing Width
35.5 in
Housing Length
35.5 in
Damper Size
23 x 23 in
Overall Diameter
35 1/2 in
Wheel Diameter
18 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
230V AC/460V AC
Motor HP - Roof Ventilators
1/3 hp
CFM @ 0.000-In. SP
3150
CFM @ 0.625-In. SP
2053
Agency Compliance
& G hazardous locations, F, Motor only UL Listed for Class I Groups C & D andClass II Groups E
Max. Operating Amps
1.2/0.6
Wheel Type
Backward Inclined
Motor Voltage
230/460
Recommended 12 In. Fixed Curb Item No.
2RB79
Max. BHP
0.34
CFM @ 0.250-In. SP
2832
Includes
Hazardous Location Motor
CFM @ 0.125-In. SP
2997
Sones @ 0.125-In. SP @ 5 Ft.
9.9
Sones @ 0.250-In. SP @ 5 Ft.
8.7
Phase
3
RPM
810
CFM @ 0.375-In. SP
2624
Mounting Location
Roof
Wheel Material
Aluminum
Sones @ 0.500-In. SP @ 5 Ft.
8.2
Assembled/Unassembled
Unassembled
Item
Centrifugal Downblast Roof Exhaust Fan
Adj. 6 3/8"H Roof Curb Stock No.
4c454
Housing Material
Aluminum
Drive Type
Belt Drive
CFM @ 0.500-In. SP
2375
Adj. 12 3/8"H Roof Curb Stock No.
2ZV83
Max. Inlet Temp.
180 Degrees
Hz
60
Recommended 8 In. Fixed Curb Item No.
4HX41
Speed Controllable
No
Drive Package Included
Yes
Motor HP
1/3
Bearing Type
Regreasable Pillow Block
Standards
AMCA Sound and Air, UL
Assembly
Unassembled
Motor Location
Out of Airstream
Application
Industrial and Commercial Applications
Resistance Properties
Weather Resistant
Features
Nonoverloading Centrifugal Wheel Design
Includes Motor
Yes
Current
1.2/0.6 A
Frequency
60 Hz
Electrical Connection
Power Cord
Base Shape
Square
Hazardous Location Specification
Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group G
Exhaust Airflow @ 0.375 in SP
2,624 cfm
High-Efficiency Motor
No
Maximum Inlet Air Temperature
180 Degrees F
Exhaust Airflow @ 0.250 in SP
2,832 cfm
Includes Drive Package
Yes
Motor Enclosure
Totally Enclosed Nonventilated
Exhaust Airflow @ 0.500 in SP
2,375 cfm
Nameplate Voltage
230/460V AC
Safety Features
Birdscreen
Housing Material Fabrication
Spun
Maximum Fan Speed
810 RPM
Airflow @ 0.000 in SP
3,150 cfm
Brake Horsepower
7/20 hp
For Air Type
Flammable Vapor
Compatible Curb Manufacturer Part Number
2RB79, 2ZV83, 3C437, 4C454, 4HX40, 4HX41, 4HX49
Motor Horsepower
1/3 hp
Mount Type
Roof Curb
Maximum Static Pressure
5/8 in wc
Exhaust Airflow @ 0.000 in SP
3,150 cfm
Exhaust Airflow @ 0.125 in SP
2,997 cfm
Sound Level
7.5 sones @ 0.625 in SP and 5 ft, 8.2 sones @ 0.500 in SP and 5 ft, 8.4 sones @ 0.375 in SP and 5 ft, 8.7 sones @ 0.250 in SP and 5 ft, 8.8 sones @ 0.000 in SP and 5 ft, 9.9 sones @ 0.125 in SP and 5 ft
For High-Static Pressure Applications
No
Motor Speed
1,725 RPM

Description

Centrifugal Downblast Roof Exhaust Fan, Drive Type Belt Drive, Assembly Unassembled, Wheel Diameter 18 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 3,150 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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