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  9. Downblast Vent, Belt Drive, 21-1/2 In
Dayton Downblast Vent, Belt Drive, 21-1/2 In 7A665 - main

Downblast Vent, Belt Drive, 21-1/2 In

  • Mfr # 7A665

  • Zoro # G0699553

product price: $2,015.99
/ea
Additional $140.00 delivery surcharge applies per item.
See details

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 #
7A665
Zoro #
G0699553
UPC #
00799471519479
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
30 in x 30 in
Wheel Dia.
21 1/2 in
Dimension A
30 in
Dimension D
5 1/2 in
Base Height
1 3/4 in
Overall Dia.
35 1/2 in
Base Width
30 in
Base Length
30 in
Shaft Dia. Wheel End
3/4 in
Base Square Size - Roof Ventilators
30" x 30"
Dimension C
34 3/8 in
Dimension B
35 1/2 in
Overall Height
36 1/8 in
Wheel Diameter
21 1/2 in
Housing Width
35.5 in
Housing Length
35.5 in
Overall Length
35 1/2 in
Propeller Shaft Diameter
3/4 in
Overall Diameter
35 1/2 in
Overall Width
35 1/2 in
Damper Size
23 x 23 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
2 hp
CFM @ 0.000-In. SP
6640
CFM @ 1.75-In. SP
3077
CFM @ 0.250-In. SP
6336
Phase
3
Adj. 6 3/8"H Roof Curb Stock No.
4c454
Wheel Material
Aluminum
CFM @ 0.875-In. SP
5477
Max. Inlet Temp.
180 Degrees
Recommended 8 In. Fixed Curb Item No.
4HX41
CFM @ 0.500-In. SP
5969
Hz
60
Includes
Drive Package, NEMA 1 Junction Box
Item
Centrifugal Downblast Roof Exhaust Fan
CFM @ 0.625-In. SP
5813
Drive Package Included
Yes
RPM
1200
Housing Material
Aluminum
Mounting Location
Roof
CFM @ 0.375-In. SP
6145
CFM @ 0.125-In. SP
6494
Assembled/Unassembled
Unassembled
Sones @ 0.250-In. SP @ 5 Ft.
23
CFM @ 0.750-In. SP
5651
Speed Controllable
No
CFM @ 1.000-In. SP
5274
Adj. 12 3/8"H Roof Curb Stock No.
3C437
Agency Compliance
AMCA Sound & Air, UL/cUL 705
Drive Type
Belt Drive
CFM @ 1.250-In. SP
4829
Wheel Type
Backward Inclined
Max. BHP
2.09
Motor Voltage
208/230/460
Recommended 12 In. Fixed Curb Item No.
4HX49
CFM @ 1.500-In. SP
4177
Sones @ 0.500-In. SP @ 5 Ft.
22
Motor HP
2
Sones @ 0.125-In. SP @ 5 Ft.
23
Standards
AMCA Sound and Air, UL/cUL 705
Bearing Type
Regreasable Pillow Block
Housing Material Fabrication
Spun
For Air Type
Clean Air
Sound Level
16.7 sones @ 1.750 in SP and 5 ft, 18.6 sones @ 1.500 in SP and 5 ft, 19.9 sones @ 1.250 in SP and 5 ft, 21.0 sones @ 0.625 in SP and 5 ft, 21.0 sones @ 0.750 in SP and 5 ft, 21.0 sones @ 0.875 in SP and 5 ft, 21.0 sones @ 1.000 in SP and 5 ft, 22.0 sones @ 0.375 in SP and 5 ft, 22.0 sones @ 0.500 in SP and 5 ft, 23.0 sones @ 0.125 in SP and 5 ft, 23.0 sones @ 0.250 in SP and 5 ft, 24.0 sones @ 0.000 in SP and 5 ft
Application
Industrial and Commercial Applications
Current
6.0 to 5.8/2.9 A
Exhaust Airflow @ 0.000 in SP
6,640 cfm
Airflow @ 0.000 in SP
6,640 cfm
Exhaust Airflow @ 0.375 in SP
6,145 cfm
Motor Location
Out of Airstream
Motor Speed
1,745 RPM
Base Shape
Square
Exhaust Airflow @ 0.250 in SP
6,336 cfm
Maximum Inlet Air Temperature
180 Degrees F
Spark Resistant Construction Type
A
Features
Fully Rolled Windband Bead for Increased Stability and Easy Transport, NEMA 1 Junction Box Located in Motor Enclosure
High-Efficiency Motor
No
Brake Horsepower
2 9/100 hp
Exhaust Airflow @ 0.500 in SP
5,969 cfm
Safety Features
Birdscreen, Windband
Resistance Properties
Weather Resistant
Assembly
Unassembled
For High-Static Pressure Applications
No
Exhaust Airflow @ 0.125 in SP
6,494 cfm
Motor Enclosure
Open Dripproof
Maximum Fan Speed
1,200 RPM
Nameplate Voltage
208-230/460V AC
Motor Horsepower
2 hp
Includes Drive Package
Yes
Mount Type
Roof Curb
Compatible Curb Manufacturer Part Number
2RB79, 2ZV83, 3C437, 4C454, 4HX41, 4HX49
Frequency
60 Hz
Electrical Connection
Power Cord
Maximum Static Pressure
1 3/4 in wc
Includes Motor
Yes

Description

Centrifugal Downblast Roof Exhaust Fan, Drive Type Belt Drive, Assembly Unassembled, Wheel Diameter 21 1/2 in, Base Diameter Not Applicable, Base Length 30 in, Base Width 30 in, Base Shape Square, Nameplate Voltage 208-230/460V AC, Phase 3, Motor Horsepower 2 hp, Exhaust Airflow @ 0.000 in SP 6,640 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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