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  9. Upblast Vent, 18-1/2 In, 115/208-230V
Dayton Upblast Vent, 18-1/2 In, 115/208-230V 7AT21 - main

Upblast Vent, 18-1/2 In, 115/208-230V

  • Mfr # 7AT21

  • Zoro # G2254533

product price: $1,318.99
/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 #
7AT21
Zoro #
G2254533
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
27 3/4 in dia
Dimension C
34 3/4 in
Overall Dia.
35 3/8 in
Recommended Damper Size (In.)
17 x 17
Wheel Dia.
18 1/2 in
Dimension A
27 3/4 in
Overall Height
34 3/4 in
Dimension B
35 3/8 in
Shaft Dia. Wheel End
3/4 in
Base Square Size - Roof Ventilators
27-3/4" dia.
Dimension D
21 in
Dimension E
25 in
Base Diameter
27 3/4 in
Wheel Diameter
18 1/2 in
Housing Length
35.4 in
Propeller Shaft Diameter
3/4 in
Damper Size
17 x 17 in
Overall Diameter
35 3/8 in
Housing Width
35.4 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
1/4 hp
CFM @ 0.000-In. SP
2815
CFM @ 0.500-In. SP
1763
CFM @ 0.375-In. SP
2143
Drive Package Included
Yes
Drive Type
Belt Drive
Mounting Location
wall
Wheel Material
Aluminum
CFM @ 0.250-In. SP
2448
CFM @ 0.125-In. SP
2617
Item
Centrifugal Upblast Roof Exhaust Fan
Includes
Drive Package, Mounting Plate, NEMA 1 Junction Box
Motor HP
1/4
Sones @ 0.125-In. SP @ 5 Ft.
8.6
Assembled/Unassembled
Unassembled
Standards
AMCA Sound and Air, UL/cUL 762
Phase
1
Motor Voltage
115/208/230
Max. Operating Amps
4.6/2.2-2.3
Speed Controllable
No
Max. BHP
0.26
Sones @ 0.250-In. SP @ 5 Ft.
8.1
Bearing Type
Regreasable Pillow Block
Sones @ 0.500-In. SP @ 5 Ft.
7.1
Hz
60
RPM
745
Max. Inlet Temp.
300 Degrees F
Housing Material
Aluminum
Wheel Type
Backward Inclined
Motor Speed
745 RPM
Assembly
Unassembled
Motor Horsepower
1/4 hp
Includes Motor
Yes
Resistance Properties
Spark Resistant
Exhaust Airflow @ 0.250 in SP
2,448 cfm
Maximum Fan Speed
745 RPM
High-Efficiency Motor
No
Exhaust Airflow @ 0.375 in SP
2,143 cfm
Brake Horsepower
13/50 hp
Airflow @ 0.000 in SP
2,815 cfm
For Air Type
Kitchen Air
Application
Industrial and Commercial Buildings, Restaurants, Schools
Exhaust Airflow @ 0.125 in SP
2,617 cfm
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
Sound Level
7.1 sones @ 0.500 in SP and 5 ft, 8.1 sones @ 0.250 in SP and 5 ft, 8.6 sones @ 0.125 in SP and 5 ft
Base Shape
Round
Spark Resistant Construction Type
A
Frequency
60 Hz
Motor Location
Out of Airstream
For High-Static Pressure Applications
No
Safety Features
Fully Rolled Windband
Motor Enclosure
Open Dripproof
Exhaust Airflow @ 0.500 in SP
1,763 cfm
Current
4.6/2.2 to 2.3 A
Exhaust Airflow @ 0.000 in SP
2,815 cfm
Nameplate Voltage
115/208-230V AC
Electrical Connection
Power Cord
Maximum Static Pressure
1/2 in wc
Maximum Inlet Air Temperature
300 Degrees F
Includes Drive Package
Yes
Housing Material Fabrication
Spun

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 2,815 cfm, Nameplate Voltage 115/208-230V AC, Phase 1, Motor Horsepower 1/4 hp, Assembly Unassembled, Number of Speeds 1, Housing Material Aluminum, Wheel Material Aluminum

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