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  9. Upblast Vent, 21-1/4 In, 115/208-230V
Dayton Upblast Vent, 21-1/4 In, 115/208-230V 7AT33 - main

Upblast Vent, 21-1/4 In, 115/208-230V

  • Mfr # 7AT33

  • Zoro # G3088172

product price: $1,435.99
/ea
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Key Features

Item - Roof Ventilators
Upblast Ventilator
Drive Package With Motor Included
Yes
Duty Rating - Roof Ventilators
Standard
Drive Type - Roof Ventilators
Belt Drive
Mounting Location - Roof Ventilators
Roof, Wall
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Specifications

Product Information

MFR #
7AT33
Zoro #
G3088172
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
27 3/4 in dia
Dimension D
21 in
Dimension A
27 3/4 in
Dimension C
34 3/4 in
Shaft Dia. Wheel End
3/4 in
Recommended Damper Size (In.)
17 x 17
Wheel Dia.
21 1/4 in
Overall Height
34 3/4 in
Dimension B
35 3/8 in
Overall Dia.
35 3/8 in
Base Square Size - Roof Ventilators
27-3/4" dia.
Dimension E
25 in
Housing Width
35.4 in
Propeller Shaft Diameter
3/4 in
Housing Length
35.4 in
Base Diameter
27 3/4 in
Damper Size
17 x 17 in
Wheel Diameter
21 1/4 in
Overall Diameter
35 3/8 in

Details

Item - Roof Ventilators
Upblast Ventilator
Drive Package With Motor Included
Yes
Duty Rating - Roof Ventilators
Standard
Drive Type - Roof Ventilators
Belt Drive
Mounting Location - Roof Ventilators
Roof, Wall
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
3740
Max. BHP
0.35
Speed Controllable
No
Sones @ 0.250-In. SP @ 5 Ft.
8.1
CFM @ 0.375-In. SP
2699
Motor Voltage
115/208/230
Sones @ 0.500-In. SP @ 5 Ft.
7.0
Wheel Material
Aluminum
Sones @ 0.125-In. SP @ 5 Ft.
8.8
Drive Type
Belt Drive
Housing Material
Aluminum
Standards
AMCA Sound and Air, UL/cUL 762
Max. Inlet Temp.
300 Degrees F
CFM @ 0.250-In. SP
3096
Mounting Location
wall
CFM @ 0.500-In. SP
2073
Max. Operating Amps
6.6/3.0-3.3
Bearing Type
Regreasable Pillow Block
Phase
1
Motor HP
1/3
Item
Centrifugal Upblast Roof Exhaust Fan
Includes
Drive Package, Mounting Plate, NEMA 1 Junction Box
Drive Package Included
Yes
RPM
665
Assembled/Unassembled
Unassembled
Hz
60
CFM @ 0.125-In. SP
3422
Wheel Type
Backward Inclined
Maximum Fan Speed
665 RPM
Features
Air Handling Quality Bearings Meet Minimum of L10-100,000 Hours, Nonoverloading Centrifugal Wheel Design, Optional NEMA 1 and 4 Disconnects Available, UL/CuL 705 Listed for Power Ventilators, UL/CuL 762 Listed for Restaurant Exhaust Appliances
Includes Motor
Yes
Maximum Static Pressure
1/2 in wc
Exhaust Airflow @ 0.250 in SP
3,096 cfm
Motor Speed
665 RPM
Brake Horsepower
7/20 hp
Motor Enclosure
Open Dripproof
Base Shape
Round
Electrical Connection
Power Cord
Exhaust Airflow @ 0.125 in SP
3,422 cfm
For Air Type
Kitchen Air
Current
6.6/3.4 to 3.1 A
Motor Horsepower
1/3 hp
Nameplate Voltage
115/208-230V AC
For High-Static Pressure Applications
No
Safety Features
Fully Rolled Windband
Exhaust Airflow @ 0.375 in SP
2,699 cfm
Resistance Properties
Spark Resistant
Frequency
60 Hz
Exhaust Airflow @ 0.500 in SP
2,073 cfm
Housing Material Fabrication
Spun
Maximum Inlet Air Temperature
300 Degrees F
Assembly
Unassembled
Airflow @ 0.000 in SP
3,740 cfm
Application
Industrial and Commercial Buildings, Restaurants, Schools
High-Efficiency Motor
No
Exhaust Airflow @ 0.000 in SP
3,740 cfm
Motor Location
Out of Airstream
Includes Drive Package
Yes
Spark Resistant Construction Type
A
Sound Level
7.0 sones @ 0.500 in SP and 5 ft, 8.1 sones @ 0.250 in SP and 5 ft, 8.8 sones @ 0.125 in SP and 5 ft

Description

Centrifugal Upblast Roof Exhaust Fan, Application Industrial and Commercial Buildings, Restaurants, Schools, Drive Type Belt Drive, For Air Type Kitchen Air, Base Diameter 27 3/4 in, Base Width Not Applicable, Base Length Not Applicable, Base Shape Round, Maximum Static Pressure 1/2 in wc, Exhaust Airflow @ 0.000 in SP 3,740 cfm, Nameplate Voltage 115/208-230V AC, Phase 1, Motor Horsepower 1/3 hp, Assembly Unassembled, Number of Speeds 1, Housing Material Aluminum, Wheel Material Aluminum

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