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  9. Downblast Vent, Belt Drive, 50 In
Dayton Downblast Vent, Belt Drive, 50 In 7A688 - main

Downblast Vent, Belt Drive, 50 In

  • Mfr # 7A688

  • Zoro # G3158723

product price: $7,647.99
/ea
Item requires special delivery charges. A $250.00 per item surcharge will be applied.

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 #
7A688
Zoro #
G3158723
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
64 in x 64 in
Dimension D
14 5/10 in
Dimension A
64 in
Base Length
64 in
Overall Dia.
83 in
Base Square Size - Roof Ventilators
64" x 64"
Wheel Dia.
50 in
Overall Height
52 1/2 in
Dimension C
50 75/100 in
Shaft Dia. Wheel End
1 1/4 in
Base Width
64 in
Base Height
1 3/4 in
Dimension B
83 in
Wheel Diameter
50 in
Housing Length
83 in
Overall Width
83 in
Overall Length
83 in
Housing Width
83 in
Damper Size
50 x 50 in
Propeller Shaft Diameter
1 1/4 in
Overall Diameter
83 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
5 hp
CFM @ 0.000-In. SP
29,494
Recommended 12 In. Fixed Curb Item No.
4YY77
Wheel Material
Aluminum
Drive Type
Belt Drive
Adj. 6 3/8"H Roof Curb Stock No.
3C216
Assembled/Unassembled
Unassembled
CFM @ 0.125-In. SP
28,118
RPM
366
Drive Package Included
Yes
CFM @ 0.875-In. SP
18,366
Adj. 12 3/8"H Roof Curb Stock No.
1VN43
Wheel Type
Backward Inclined
Recommended 8 In. Fixed Curb Item No.
4YY76
Agency Compliance
AMCA Sound & Air, UL/cUL 705
Item
Centrifugal Downblast Roof Exhaust Fan
Sones @ 0.250-In. SP @ 5 Ft.
21
Housing Material
Aluminum
Includes
Drive Package, NEMA 1 Junction Box
Mounting Location
Roof
Motor Voltage
208/230/460
Hz
60
Sones @ 0.500-In. SP @ 5 Ft.
20
Motor HP
5
Max. Inlet Temp.
180 Degrees
Sones @ 0.125-In. SP @ 5 Ft.
22
CFM @ 0.750-In. SP
20,688
Max. BHP
4.99
CFM @ 0.625-In. SP
22,310
CFM @ 0.250-In. SP
26,834
Speed Controllable
No
Phase
3
CFM @ 0.375-In. SP
25,429
CFM @ 0.500-In. SP
23,831
Bearing Type
Regreasable Pillow Block
Standards
AMCA Sound and Air, UL/cUL 705
Exhaust Airflow @ 0.000 in SP
29,494 cfm
Features
Fully Rolled Windband Bead for Increased Stability and Easy Transport, Nema 1 Junction Box Located in Motor Enclosure
For High-Static Pressure Applications
No
Housing Material Fabrication
Spun
Frequency
60 Hz
Exhaust Airflow @ 0.125 in SP
28,118 cfm
Motor Location
Out of Airstream
Electrical Connection
Power Cord
Mount Type
Roof Curb
Base Shape
Square
Exhaust Airflow @ 0.375 in SP
25,429 cfm
Includes Motor
Yes
Maximum Fan Speed
366 RPM
Sound Level
19.4 sones @ 0.875 in SP and 5 ft, 19.5 sones @ 0.750 in SP and 5 ft, 19.8 sones @ 0.625 in SP and 5 ft, 20.0 sones @ 0.500 in SP and 5 ft, 21.0 sones @ 0.250 in SP and 5 ft, 21.0 sones @ 0.375 in SP and 5 ft, 22.0 sones @ 0.125 in SP and 5 ft, 23.0 sones @ 0.000 in SP and 5 ft
Motor Speed
1,760 RPM
Airflow @ 0.000 in SP
29,494 cfm
Compatible Curb Manufacturer Part Number
1VN43, 2RB83, 2ZV87, 4YY76, 4YY77
Current
14.0 to 12.7/6.3 A
Includes Drive Package
Yes
Assembly
Unassembled
Resistance Properties
Weather Resistant
Application
Industrial and Commercial Applications
Maximum Inlet Air Temperature
180 Degrees F
Motor Enclosure
Open Dripproof
Exhaust Airflow @ 0.250 in SP
26,834 cfm
For Air Type
Clean Air
High-Efficiency Motor
No
Maximum Static Pressure
7/8 in wc
Nameplate Voltage
208-230/460V AC
Safety Features
Birdscreen, Windband
Brake Horsepower
4 99/100 hp
Exhaust Airflow @ 0.500 in SP
23,831 cfm
Motor Horsepower
5 hp

Description

Centrifugal Downblast Roof Exhaust Fan, Drive Type Belt Drive, Assembly Unassembled, Wheel Diameter 50 in, Base Diameter Not Applicable, Base Length 64 in, Base Width 64 in, Base Shape Square, Nameplate Voltage 208-230/460V AC, Phase 3, Motor Horsepower 5 hp, Exhaust Airflow @ 0.000 in SP 29,494 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, Maximum Static Pressure 7/8 in wc

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