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  9. Downblast Vent, Belt Drive, 26-1/2 In
Dayton Downblast Vent, Belt Drive, 26-1/2 In 7AU81 - main

Downblast Vent, Belt Drive, 26-1/2 In

  • Mfr # 7AU81

  • Zoro # G1977927

product price: $2,617.99
/ea
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Key Features

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

Product Information

MFR #
7AU81
Zoro #
G1977927
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
42 in x 42 in
Base Width
42 in
Base Length
42 in
Dimension B
50 in
Dimension D
8 1/4 in
Base Height
1 3/4 in
Base Square Size - Roof Ventilators
42" x 42"
Overall Height
37 3/4 in
Shaft Dia. Wheel End
1 in
Wheel Dia.
26 1/2 in
Overall Dia.
50 in
Dimension A
42 in
Dimension C
36 in
Wheel Diameter
26 1/2 in
Overall Width
50 in
Housing Length
50 in
Damper Size
35 x 35 in
Overall Diameter
50 in
Overall Length
50 in
Propeller Shaft Diameter
1 in
Housing Width
50 in

Details

Item - Roof Ventilators
Downblast Ventilator
Drive Package With Motor Included
Yes
Duty Rating - Roof Ventilators
Standard
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
1/2 hp
CFM @ 0.000-In. SP
6005
Max. Inlet Temp.
180 Degrees
CFM @ 0.375-In. SP
4484
Agency Compliance
AMCA Sound & Air, UL/cUL 705
Sones @ 0.250-In. SP @ 5 Ft.
10.4
Sones @ 0.125-In. SP @ 5 Ft.
10.9
Adj. 6 3/8"H Roof Curb Stock No.
3C438
Assembled/Unassembled
Unassembled
Motor Voltage
208/230/460
Mounting Location
Roof
CFM @ 0.500-In. SP
3745
Max. BHP
0.54
Drive Package Included
Yes
Speed Controllable
No
CFM @ 0.250-In. SP
5063
CFM @ 0.125-In. SP
5570
Item
Centrifugal Downblast Roof Exhaust Fan
Hz
60
Recommended 12 In. Fixed Curb Item No.
2RB81
Drive Type
Belt Drive
Phase
3
Motor HP
1/2
Max. Operating Amps
2.1-2.2/1.1
CFM @ 0.625-In. SP
2322
Adj. 12 3/8"H Roof Curb Stock No.
2ZV85
Wheel Type
Backward Inclined
RPM
465
Housing Material
Aluminum
Sones @ 0.500-In. SP @ 5 Ft.
9.6
Wheel Material
Aluminum
Includes
Drive Package, NEMA 1 Junction Box
Bearing Type
Regreasable Pillow Block
Standards
AMCA Sound and Air, NEMA, UL/cUL 705
Maximum Inlet Air Temperature
180 Degrees F
Housing Material Fabrication
Spun
Exhaust Airflow @ 0.000 in SP
6,005 cfm
Resistance Properties
Weather Resistant
Includes Motor
Yes
Exhaust Airflow @ 0.500 in SP
3,745 cfm
For Air Type
Clean Air
Motor Horsepower
1/2 hp
Includes Drive Package
Yes
Sound Level
10.1 sones @ 0.375 in SP and 5 ft, 10.4 sones @ 0.250 in SP and 5 ft, 10.9 sones @ 0.125 in SP and 5 ft, 11.4 sones @ 0.000 in SP and 5 ft, 9.5 sones @ 0.625 in SP and 5 ft, 9.6 sones @ 0.500 in SP and 5 ft
Safety Features
Birdscreen, Windband
Nameplate Voltage
208-230/460V AC
Motor Location
Out of Airstream
Compatible Curb Manufacturer Part Number
2RB81, 2ZV85, 3C597, 3C598, 4HX43, 4HX51
Frequency
60 Hz
High-Efficiency Motor
No
Motor Speed
1,725 RPM
Assembly
Unassembled
Airflow @ 0.000 in SP
6,005 cfm
Maximum Static Pressure
5/8 in wc
Features
Fully Rolled Windband Bead for Increased Stability and Easy Transport, Nonoverloading Centrifugal Wheel Design
For High-Static Pressure Applications
No
Brake Horsepower
27/50 hp
Application
Industrial and Commercial Applications
Exhaust Airflow @ 0.375 in SP
4,484 cfm
Electrical Connection
Power Cord
Current
1.7 to 1.7/0.85 A
Exhaust Airflow @ 0.125 in SP
5,570 cfm
Mount Type
Roof Curb
Base Shape
Square
Motor Enclosure
Open Dripproof
Maximum Fan Speed
465 RPM
Exhaust Airflow @ 0.250 in SP
5,063 cfm

Description

Centrifugal Downblast Roof Exhaust Fan, Drive Type Belt Drive, Assembly Unassembled, Wheel Diameter 26 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 1/2 hp, Exhaust Airflow @ 0.000 in SP 6,005 cfm, For High-Static Pressure Applications No, High-Efficiency Motor No, For Air Type Clean Air, Includes Drive Package Yes, Includes Motor Yes, Mounting Location Roof

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