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  9. Downblast Vent, Belt Drive, 30-1/2 In
Dayton Downblast Vent, Belt Drive, 30-1/2 In 7AF30 - main

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

  • Mfr # 7AF30

  • Zoro # G2300821

product price: $3,148.99
/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 #
7AF30
Zoro #
G2300821
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
42 in x 42 in
Overall Dia.
50 in
Base Height
1 3/4 in
Base Length
42 in
Dimension B
50 in
Overall Height
37 3/4 in
Base Square Size - Roof Ventilators
42" x 42"
Dimension A
42 in
Shaft Dia. Wheel End
1 in
Base Width
42 in
Dimension C
36 in
Dimension D
8 1/4 in
Wheel Dia.
30 1/2 in
Housing Width
50 in
Damper Size
35 x 35 in
Propeller Shaft Diameter
1 in
Overall Width
50 in
Overall Diameter
50 in
Wheel Diameter
30 1/2 in
Housing Length
50 in
Overall Length
50 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
2 hp
CFM @ 0.000-In. SP
10,772
Wheel Type
Backward Inclined
RPM
665
Adj. 6 3/8"H Roof Curb Stock No.
4c455
Adj. 12 3/8"H Roof Curb Stock No.
2ZV84
Recommended 12 In. Fixed Curb Item No.
2RB81
Assembled/Unassembled
Unassembled
Motor Voltage
208/230/460
Mounting Location
Roof
Hz
60
Sones @ 0.250-In. SP @ 5 Ft.
17.7
CFM @ 0.125-In. SP
10,425
Drive Type
Belt Drive
Speed Controllable
No
Max. Operating Amps
6.0-5.8/2.9
Phase
3
Includes
Hazardous Location Motor
Motor HP
2
Agency Compliance
& G hazardous locations, F, Motor only UL Listed for Class I Groups C & D andClass II Groups E
Sones @ 0.500-In. SP @ 5 Ft.
16.8
CFM @ 0.500-In. SP
9228
Item
Centrifugal Downblast Roof Exhaust Fan
CFM @ 0.250-In. SP
10,060
CFM @ 0.875-In. SP
7699
Drive Package Included
Yes
Housing Material
Aluminum
CFM @ 1.000-In. SP
7025
Wheel Material
Aluminum
Sones @ 0.125-In. SP @ 5 Ft.
18.2
Max. BHP
2.12
Recommended 8 In. Fixed Curb Item No.
4HX43
CFM @ 0.625-In. SP
8773
CFM @ 0.750-In. SP
8269
CFM @ 0.375-In. SP
9648
Max. Inlet Temp.
180 Degrees
Bearing Type
Regreasable Pillow Block
Standards
AMCA Sound and Air, UL
Electrical Connection
Power Cord
Assembly
Unassembled
Resistance Properties
Weather Resistant
Includes Motor
Yes
Base Shape
Square
Motor Speed
1,725 RPM
Exhaust Airflow @ 0.375 in SP
9,648 cfm
Application
Industrial and Commercial Applications
Sound Level
13.7 sones @ 1.000 in SP and 5 ft, 14.8 sones @ 0.875 in SP and 5 ft, 15.7 sones @ 0.750 in SP and 5 ft, 16.3 sones @ 0.625 in SP and 5 ft, 16.8 sones @ 0.500 in SP and 5 ft, 17.2 sones @ 0.375 in SP and 5 ft, 17.7 sones @ 0.250 in SP and 5 ft, 18.2 sones @ 0.125 in SP and 5 ft, 18.8 sones @ 0.000 in SP and 5 ft
Includes Drive Package
Yes
Current
6.0 to 5.8/2.9 A
Exhaust Airflow @ 0.250 in SP
10,060 cfm
Motor Location
Out of Airstream
Motor Enclosure
Totally Enclosed Fan Cooled
Exhaust Airflow @ 0.125 in SP
10,425 cfm
Exhaust Airflow @ 0.000 in SP
10,772 cfm
Exhaust Airflow @ 0.500 in SP
9,228 cfm
Frequency
60 Hz
High-Efficiency Motor
No
Maximum Inlet Air Temperature
180 Degrees F
For Air Type
Flammable Vapor
For High-Static Pressure Applications
No
Motor Horsepower
2 hp
Nameplate Voltage
208-230/460V AC
Maximum Fan Speed
665 RPM
Safety Features
Birdscreen
Mount Type
Roof Curb
Hazardous Location Specification
Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group G
Features
Nonoverloading Centrifugal Wheel Design
Maximum Static Pressure
1 in wc
Compatible Curb Manufacturer Part Number
2RB81, 2ZV84, 3C438, 4C455, 4HX43, 4HX51
Airflow @ 0.000 in SP
10,772 cfm
Brake Horsepower
2 11/100 hp
Housing Material Fabrication
Spun

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 208-230/460V AC, Phase 3, Motor Horsepower 2 hp, Exhaust Airflow @ 0.000 in SP 10,772 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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