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  9. Downblast Vent, Belt Drive, 50 In
Dayton Downblast Vent, Belt Drive, 50 In 7A689 - main

Downblast Vent, Belt Drive, 50 In

  • Mfr # 7A689

  • Zoro # G3475385

product price: $7,951.99
/ea
Additional $250.00 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 #
7A689
Zoro #
G3475385
UPC #
00799471519479
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
64 in x 64 in
Base Square Size - Roof Ventilators
64" x 64"
Dimension C
50 75/100 in
Dimension B
83 in
Wheel Dia.
50 in
Overall Height
52 1/2 in
Base Height
1 3/4 in
Overall Dia.
83 in
Dimension D
14 5/10 in
Base Length
64 in
Shaft Dia. Wheel End
1 1/4 in
Base Width
64 in
Dimension A
64 in
Housing Width
83 in
Propeller Shaft Diameter
1 1/4 in
Damper Size
50 x 50 in
Overall Width
83 in
Overall Length
83 in
Wheel Diameter
50 in
Housing Length
83 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
7 1/2 hp
CFM @ 0.000-In. SP
33,764
Adj. 12 3/8"H Roof Curb Stock No.
1VN43
CFM @ 0.500-In. SP
29,015
Recommended 8 In. Fixed Curb Item No.
4YY76
Item
Centrifugal Downblast Roof Exhaust Fan
Wheel Type
Backward Inclined
Max. Inlet Temp.
180 Degrees
Drive Package Included
Yes
Recommended 12 In. Fixed Curb Item No.
4YY77
CFM @ 0.625-In. SP
27,607
CFM @ 0.125-In. SP
32,624
Motor HP
7-1/2
Max. BHP
7.78
RPM
419
CFM @ 0.875-In. SP
24,940
Drive Type
Belt Drive
Sones @ 0.125-In. SP @ 5 Ft.
27
Mounting Location
Roof
Housing Material
Aluminum
Assembled/Unassembled
Unassembled
Includes
Drive Package, NEMA 1 Junction Box
Hz
60
Motor Voltage
208/230/460
Phase
3
Sones @ 0.500-In. SP @ 5 Ft.
26
Adj. 6 3/8"H Roof Curb Stock No.
3C216
CFM @ 0.750-In. SP
26,276
CFM @ 0.375-In. SP
30,265
CFM @ 1.000-In. SP
23,486
Wheel Material
Aluminum
Sones @ 0.250-In. SP @ 5 Ft.
27
CFM @ 0.250-In. SP
31,467
Speed Controllable
No
Agency Compliance
AMCA Sound & Air, UL/cUL 705
Standards
AMCA Sound and Air, UL/cUL 705
Bearing Type
Regreasable Pillow Block
Nameplate Voltage
208-230/460V AC
Exhaust Airflow @ 0.250 in SP
31,467 cfm
High-Efficiency Motor
No
Includes Drive Package
Yes
Frequency
60 Hz
Application
Industrial and Commercial Applications
Brake Horsepower
7 39/50 hp
Exhaust Airflow @ 0.500 in SP
29,015 cfm
Resistance Properties
Weather Resistant
Mount Type
Roof Curb
Assembly
Unassembled
Current
20.5 to 18.5/9.2 A
Exhaust Airflow @ 0.125 in SP
32,624 cfm
Electrical Connection
Power Cord
Motor Speed
1,770 RPM
Motor Location
Out of Airstream
Features
Fully Rolled Windband Bead for Increased Stability and Easy Transport, Nema 1 Junction Box Located in Motor Enclosure
For Air Type
Clean Air
Includes Motor
Yes
Airflow @ 0.000 in SP
33,764 cfm
Sound Level
23.0 sones @ 1.000 in SP and 5 ft, 24.0 sones @ 0.750 in SP and 5 ft, 24.0 sones @ 0.875 in SP and 5 ft, 25.0 sones @ 0.625 in SP and 5 ft, 26.0 sones @ 0.375 in SP and 5 ft, 26.0 sones @ 0.500 in SP and 5 ft, 27.0 sones @ 0.125 in SP and 5 ft, 27.0 sones @ 0.250 in SP and 5 ft, 28.0 sones @ 0.000 in SP and 5 ft
Exhaust Airflow @ 0.375 in SP
30,265 cfm
Exhaust Airflow @ 0.000 in SP
33,764 cfm
Maximum Static Pressure
1 in wc
Motor Horsepower
7 1/2 hp
Motor Enclosure
Open Dripproof
Safety Features
Birdscreen, Windband
Housing Material Fabrication
Spun
Maximum Inlet Air Temperature
180 Degrees F
For High-Static Pressure Applications
No
Base Shape
Square
Maximum Fan Speed
419 RPM
Compatible Curb Manufacturer Part Number
1VN43, 2RB83, 2ZV87, 4YY76, 4YY77

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 7 1/2 hp, Exhaust Airflow @ 0.000 in SP 33,764 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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