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  9. Downblast Vent, Belt Drive, 16-3/4 In
Dayton Downblast Vent, Belt Drive, 16-3/4 In 7YR28 - main

Downblast Vent, Belt Drive, 16-3/4 In

  • Mfr # 7YR28

  • Zoro # G0348092

product price: $1,288.99
/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 #
7YR28
Zoro #
G0348092
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
26 in x 26 in
Dimension D
4 in
Base Width
26 in
Shaft Dia. Wheel End
3/4 in
Wheel Dia.
16 3/4 in
Dimension A
26 in
Overall Height
29 in
Dimension C
27 1/4 in
Base Square Size - Roof Ventilators
26" x 26"
Base Length
26 in
Dimension B
28 3/8 in
Overall Dia.
28 3/8 in
Base Height
1 3/4 in
Housing Width
28.4 in
Damper Size
19 x 19 in
Propeller Shaft Diameter
3/4 in
Overall Width
28 3/8 in
Wheel Diameter
16 3/4 in
Overall Length
28 3/8 in
Housing Length
28.4 in
Overall Diameter
28 3/8 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
2555
Motor Voltage
115/208/230
CFM @ 0.375-In. SP
1933
Sones @ 0.250-In. SP @ 5 Ft.
9.7
Adj. 12 3/8"H Roof Curb Stock No.
3C437 or 2ZV83
Adj. 6 3/8"H Roof Curb Stock No.
4c454
Phase
1
Item
Centrifugal Downblast Roof Exhaust Fan
Max. BHP
0.26
Max. Inlet Temp.
180 Degrees
Motor HP
1/4
Sones @ 0.500-In. SP @ 5 Ft.
8.8
RPM
865
Drive Type
Belt Drive
Wheel Type
Backward Inclined
Max. Operating Amps
4.6/2.2-2.3
CFM @ 0.500-In. SP
1624
Recommended 12 In. Fixed Curb Item No.
2RB77 or 4HX48
Assembled/Unassembled
Unassembled
Mounting Location
Roof
Wheel Material
Aluminum
Speed Controllable
No
Drive Package Included
Yes
Recommended 8 In. Fixed Curb Item No.
4HX40
Includes
Drive Package, NEMA 1 Junction Box
Housing Material
Aluminum
CFM @ 0.125-In. SP
2360
Agency Compliance
AMCA Sound & Air, UL/cUL 705
Sones @ 0.125-In. SP @ 5 Ft.
10.6
Hz
60
CFM @ 0.250-In. SP
2162
Bearing Type
Sealed Pillow Block
Standards
AMCA Sound and Air, UL/cUL 705
Exhaust Airflow @ 0.500 in SP
1,624 cfm
Mount Type
Roof Curb
Electrical Connection
Power Cord
Exhaust Airflow @ 0.250 in SP
2,162 cfm
Application
Industrial and Commercial Applications
Maximum Inlet Air Temperature
180 Degrees F
Motor Location
Out of Airstream
Exhaust Airflow @ 0.375 in SP
1,933 cfm
For High-Static Pressure Applications
No
Sound Level
10.6 sones @ 0.000 in SP and 5 ft, 10.6 sones @ 0.125 in SP and 5 ft, 8.8 sones @ 0.500 in SP and 5 ft, 9.4 sones @ 0.375 in SP and 5 ft, 9.7 sones @ 0.250 in SP and 5 ft
Base Shape
Square
Includes Drive Package
Yes
Housing Material Fabrication
Spun
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
Motor Horsepower
1/4 hp
Current
4.6/2.2 to 2.3 A
Compatible Curb Manufacturer Part Number
2RB77, 2ZV83, 3C437, 4C454, 4HX40, 4HX48
Brake Horsepower
13/50 hp
Assembly
Unassembled
Motor Enclosure
Open Dripproof
Exhaust Airflow @ 0.125 in SP
2,360 cfm
Frequency
60 Hz
For Air Type
Clean Air
High-Efficiency Motor
No
Safety Features
Birdscreen, Windband
Nameplate Voltage
115/208-230V AC
Exhaust Airflow @ 0.000 in SP
2,555 cfm
Airflow @ 0.000 in SP
2,555 cfm
Includes Motor
Yes
Motor Speed
1,725 RPM
Resistance Properties
Weather Resistant
Spark Resistant Construction Type
A
Maximum Static Pressure
1/2 in wc
Maximum Fan Speed
865 RPM

Description

Centrifugal Downblast Roof Exhaust Fan, Drive Type Belt Drive, Assembly Unassembled, Wheel Diameter 16 3/4 in, Base Diameter Not Applicable, Base Length 26 in, Base Width 26 in, Base Shape Square, Nameplate Voltage 115/208-230V AC, Phase 1, Motor Horsepower 1/4 hp, Exhaust Airflow @ 0.000 in SP 2,555 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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