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  9. Downblast Vent, Belt Drive, 14-3/4 In
Dayton Downblast Vent, Belt Drive, 14-3/4 In 7A557 - main

Downblast Vent, Belt Drive, 14-3/4 In

  • Mfr # 7A557

  • Zoro # G2515046

product price: $1,320.99
/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 #
7A557
Zoro #
G2515046
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
26 in x 26 in
Base Length
26 in
Base Square Size - Roof Ventilators
26" x 26"
Dimension C
25 3/8 in
Overall Height
27 1/8 in
Overall Dia.
28 3/8 in
Shaft Dia. Wheel End
3/4 in
Dimension A
26 in
Wheel Dia.
14 3/4 in
Dimension D
4 in
Dimension B
28 3/8 in
Base Width
26 in
Base Height
1 3/4 in
Wheel Diameter
14 3/4 in
Propeller Shaft Diameter
3/4 in
Housing Length
28.4 in
Overall Diameter
28 3/8 in
Overall Width
28 3/8 in
Overall Length
28 3/8 in
Housing Width
28.4 in
Damper Size
19 x 19 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
3/4 hp
CFM @ 0.000-In. SP
2866
Recommended 12 In. Fixed Curb Item No.
4HX48
Mounting Location
Roof
Agency Compliance
AMCA Sound & Air, UL/cUL 705
CFM @ 0.750-In. SP
2384
CFM @ 0.250-In. SP
2710
CFM @ 0.875-In. SP
2287
Phase
1
CFM @ 0.500-In. SP
2556
Adj. 12 3/8"H Roof Curb Stock No.
3C437
CFM @ 0.625-In. SP
2476
Adj. 6 3/8"H Roof Curb Stock No.
4c454
Item
Centrifugal Downblast Roof Exhaust Fan
Wheel Type
Backward Inclined
CFM @ 1.250-In. SP
1890
Speed Controllable
No
CFM @ 0.375-In. SP
2634
Assembled/Unassembled
Unassembled
RPM
1545
Includes
Drive Package, NEMA 1 Junction Box
Motor HP
3/4
Wheel Material
Aluminum
CFM @ 1.000-In. SP
2177
Sones @ 0.125-In. SP @ 5 Ft.
18.0
Hz
60
Sones @ 0.500-In. SP @ 5 Ft.
16.8
Drive Type
Belt Drive
CFM @ 0.125-In. SP
2787
Sones @ 0.250-In. SP @ 5 Ft.
17.4
Drive Package Included
Yes
Motor Voltage
115/208/230
Recommended 8 In. Fixed Curb Item No.
4HX40
Max. Inlet Temp.
180 Degrees
Housing Material
Aluminum
Max. BHP
0.78
Bearing Type
Sealed Pillow Block
Standards
AMCA Sound and Air, UL/cUL 705
Resistance Properties
Weather Resistant
Application
Industrial and Commercial Applications
Motor Horsepower
3/4 hp
Current
11.6/5.9 to 5.8 A
Nameplate Voltage
115/208-230V AC
For High-Static Pressure Applications
No
Assembly
Unassembled
Sound Level
14.7 sones @ 1.000 in SP and 5 ft, 14.7 sones @ 1.250 in SP and 5 ft, 14.8 sones @ 0.875 in SP and 5 ft, 14.9 sones @ 0.750 in SP and 5 ft, 15.9 sones @ 0.625 in SP and 5 ft, 16.8 sones @ 0.500 in SP and 5 ft, 17.1 sones @ 0.375 in SP and 5 ft, 17.4 sones @ 0.250 in SP and 5 ft, 17.6 sones @ 0.000 in SP and 5 ft, 18.0 sones @ 0.125 in SP and 5 ft
Exhaust Airflow @ 0.250 in SP
2,710 cfm
Maximum Fan Speed
1,545 RPM
Includes Drive Package
Yes
Brake Horsepower
39/50 hp
Maximum Inlet Air Temperature
180 Degrees F
Exhaust Airflow @ 0.000 in SP
2,866 cfm
Mount Type
Roof Curb
Motor Speed
1,725 RPM
Airflow @ 0.000 in SP
2,866 cfm
Exhaust Airflow @ 0.125 in SP
2,787 cfm
Frequency
60 Hz
Exhaust Airflow @ 0.500 in SP
2,556 cfm
Motor Location
Out of Airstream
Electrical Connection
Power Cord
Maximum Static Pressure
1 1/4 in wc
Exhaust Airflow @ 0.375 in SP
2,634 cfm
Compatible Curb Manufacturer Part Number
2RB77, 2ZV83, 3C437, 4C454, 4HX40, 4HX48
Spark Resistant Construction Type
A
For Air Type
Clean Air
Includes Motor
Yes
Features
Fully Rolled Windband Bead for Increased Stability and Easy Transport, NEMA 1 Junction Box Located in Motor Enclosure
High-Efficiency Motor
No
Housing Material Fabrication
Spun
Safety Features
Birdscreen, Windband
Motor Enclosure
Open Dripproof
Base Shape
Square

Description

Centrifugal Downblast Roof Exhaust Fan, Drive Type Belt Drive, Assembly Unassembled, Wheel Diameter 14 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 3/4 hp, Exhaust Airflow @ 0.000 in SP 2,866 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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