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  9. Downblast Vent, Belt Drive, 18-1/2 In
Dayton Downblast Vent, Belt Drive, 18-1/2 In 7YR29 - main

Downblast Vent, Belt Drive, 18-1/2 In

  • Mfr # 7YR29

  • Zoro # G2763162

product price: $1,742.99
/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 #
7YR29
Zoro #
G2763162
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
30 in x 30 in
Base Height
1 3/4 in
Base Width
30 in
Dimension C
34 3/8 in
Base Length
30 in
Overall Dia.
35 1/2 in
Overall Height
36 1/8 in
Dimension B
35 1/2 in
Dimension D
5 1/2 in
Shaft Dia. Wheel End
3/4 in
Dimension A
30 in
Wheel Dia.
18 1/2 in
Base Square Size - Roof Ventilators
30" x 30"
Overall Diameter
35 1/2 in
Housing Length
35.5 in
Overall Length
35 1/2 in
Damper Size
23 x 23 in
Overall Width
35 1/2 in
Housing Width
35.5 in
Propeller Shaft Diameter
3/4 in
Wheel Diameter
18 1/2 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
115V AC/208V AC/230V AC
Motor HP - Roof Ventilators
1/4 hp
CFM @ 0.000-In. SP
2839
Assembled/Unassembled
Unassembled
Motor Voltage
115/208/230
Motor HP
1/4
Hz
60
CFM @ 0.125-In. SP
2668
Adj. 6 3/8"H Roof Curb Stock No.
4c454
Phase
1
Item
Centrifugal Downblast Roof Exhaust Fan
CFM @ 0.250-In. SP
2469
Sones @ 0.250-In. SP @ 5 Ft.
7.2
Max. Operating Amps
4.6/2.2-2.3
Max. BHP
0.26
Agency Compliance
AMCA Sound & Air, UL/cUL 705
Wheel Type
Backward Inclined
Drive Type
Belt Drive
Speed Controllable
No
Mounting Location
Roof
Adj. 12 3/8"H Roof Curb Stock No.
3C437 o 2ZV83
Includes
Drive Package, NEMA 1 Junction Box
CFM @ 0.500-In. SP
1882
Max. Inlet Temp.
180 Degrees
Recommended 12 In. Fixed Curb Item No.
2RB79 o 4HX49
Recommended 8 In. Fixed Curb Item No.
4HX41
Sones @ 0.500-In. SP @ 5 Ft.
6.7
Sones @ 0.125-In. SP @ 5 Ft.
8.7
CFM @ 0.375-In. SP
2213
Drive Package Included
Yes
Wheel Material
Aluminum
Housing Material
Aluminum
RPM
730
Standards
AMCA Sound and Air, UL/cUL 705
Bearing Type
Regreasable Pillow Block
Sound Level
6.7 sones @ 0.500 in SP and 5 ft, 7.2 sones @ 0.250 in SP and 5 ft, 7.4 sones @ 0.000 in SP and 5 ft, 7.4 sones @ 0.375 in SP and 5 ft, 8.7 sones @ 0.125 in SP and 5 ft
Exhaust Airflow @ 0.125 in SP
2,668 cfm
Motor Enclosure
Open Dripproof
Includes Drive Package
Yes
For Air Type
Clean Air
Maximum Inlet Air Temperature
180 Degrees F
Spark Resistant Construction Type
A
Includes Motor
Yes
Electrical Connection
Power Cord
Exhaust Airflow @ 0.500 in SP
1,882 cfm
Features
Fresh Outside Air is Drawn in Under the Motor Cover to Maximize Motor Life, Fully Rolled Windband Bead for Increased Stability and Easy Transport, Nonoverloading Centrifugal Wheel Design
Exhaust Airflow @ 0.375 in SP
2,213 cfm
Housing Material Fabrication
Spun
Resistance Properties
Weather Resistant
Exhaust Airflow @ 0.000 in SP
2,839 cfm
Compatible Curb Manufacturer Part Number
2RB79, 2ZV83, 3C437, 4C454, 4HX41, 4HX49
Maximum Static Pressure
1/2 in wc
Exhaust Airflow @ 0.250 in SP
2,469 cfm
Motor Speed
1,725 RPM
High-Efficiency Motor
No
Motor Horsepower
1/4 hp
Motor Location
Out of Airstream
Base Shape
Square
Application
Industrial and Commercial Applications
Safety Features
Birdscreen, Windband
Nameplate Voltage
115/208-230V AC
For High-Static Pressure Applications
No
Mount Type
Roof Curb
Brake Horsepower
13/50 hp
Current
4.6/2.2 to 2.3 A
Frequency
60 Hz
Assembly
Unassembled
Airflow @ 0.000 in SP
2,839 cfm
Maximum Fan Speed
730 RPM

Description

Centrifugal Downblast Roof Exhaust Fan, Drive Type Belt Drive, Assembly Unassembled, Wheel Diameter 18 1/2 in, Base Diameter Not Applicable, Base Length 30 in, Base Width 30 in, Base Shape Square, Nameplate Voltage 115/208-230V AC, Phase 1, Motor Horsepower 1/4 hp, Exhaust Airflow @ 0.000 in SP 2,839 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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