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  9. Downblast Vent, Belt Drive, 30-1/2 In
Dayton Downblast Vent, Belt Drive, 30-1/2 In 7A674 - main

Downblast Vent, Belt Drive, 30-1/2 In

  • Mfr # 7A674

  • Zoro # G0690943

product price: $3,012.99
/ea
Additional $160.00 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 #
7A674
Zoro #
G0690943
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
42 in x 42 in
Wheel Dia.
30 1/2 in
Overall Dia.
50 in
Overall Height
37 3/4 in
Base Height
1 3/4 in
Shaft Dia. Wheel End
1 in
Base Length
42 in
Dimension B
50 in
Base Width
42 in
Dimension D
8 25/100 in
Dimension C
36 in
Base Square Size - Roof Ventilators
42" x 42"
Dimension A
42 in
Damper Size
35 x 35 in
Overall Diameter
50 in
Housing Length
50 in
Overall Width
50 in
Housing Width
50 in
Overall Length
50 in
Propeller Shaft Diameter
1 in
Wheel Diameter
30 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
208V AC/230V AC/460V AC
Motor HP - Roof Ventilators
1 1/2 hp
CFM @ 0.000-In. SP
9719
CFM @ 0.250-In. SP
8907
CFM @ 0.500-In. SP
7952
Mounting Location
Roof
Sones @ 0.500-In. SP @ 5 Ft.
13.8
Drive Type
Belt Drive
Adj. 6 3/8"H Roof Curb Stock No.
4c455
Motor HP
1-1/2
Speed Controllable
No
Wheel Material
Aluminum
CFM @ 0.625-In. SP
7388
CFM @ 0.750-In. SP
6721
Agency Compliance
AMCA Sound & Air, UL/cUL 705
Max. BHP
1.55
RPM
600
Motor Voltage
208/230/460
CFM @ 0.375-In. SP
8446
Hz
60
Wheel Type
Backward Inclined
CFM @ 0.875-In. SP
5743
Item
Centrifugal Downblast Roof Exhaust Fan
Sones @ 0.250-In. SP @ 5 Ft.
14.9
Max. Inlet Temp.
180 Degrees
Adj. 12 3/8"H Roof Curb Stock No.
3C438
Phase
3
Includes
Drive Package, NEMA 1 Junction Box
CFM @ 0.125-In. SP
9334
Recommended 8 In. Fixed Curb Item No.
4HX43
Sones @ 0.125-In. SP @ 5 Ft.
15.4
Housing Material
Aluminum
Assembled/Unassembled
Unassembled
Recommended 12 In. Fixed Curb Item No.
4HX51
Drive Package Included
Yes
Standards
AMCA Sound and Air, UL/cUL 705
Bearing Type
Regreasable Pillow Block
Resistance Properties
Weather Resistant
Base Shape
Square
Motor Horsepower
1 1/2 hp
Exhaust Airflow @ 0.250 in SP
8,907 cfm
Mount Type
Roof Curb
Electrical Connection
Power Cord
Airflow @ 0.000 in SP
9,719 cfm
High-Efficiency Motor
No
Exhaust Airflow @ 0.375 in SP
8,446 cfm
Exhaust Airflow @ 0.500 in SP
7,952 cfm
Exhaust Airflow @ 0.125 in SP
9,334 cfm
Assembly
Unassembled
Frequency
60 Hz
Sound Level
11.1 sones @ 0.875 in SP and 5 ft, 12.2 sones @ 0.750 in SP and 5 ft, 13.2 sones @ 0.625 in SP and 5 ft, 13.8 sones @ 0.500 in SP and 5 ft, 14.3 sones @ 0.375 in SP and 5 ft, 14.9 sones @ 0.250 in SP and 5 ft, 15.4 sones @ 0.125 in SP and 5 ft, 15.9 sones @ 0.000 in SP and 5 ft
Features
Fully Rolled Windband Bead for Increased Stability and Easy Transport, NEMA 1 Junction Box Located in Motor Enclosure
Current
4.8 to 4.8/2.4 A
Safety Features
Birdscreen, Windband
Includes Motor
Yes
Housing Material Fabrication
Spun
Compatible Curb Manufacturer Part Number
2RB81, 2ZV84, 3C438, 4C455, 4HX43, 4HX51
Motor Enclosure
Open Dripproof
For Air Type
Clean Air
Application
Industrial and Commercial Applications
Motor Location
Out of Airstream
Brake Horsepower
1 11/20 hp
Nameplate Voltage
208-230/460V AC
Includes Drive Package
Yes
Maximum Static Pressure
7/8 in wc
Exhaust Airflow @ 0.000 in SP
9,719 cfm
Spark Resistant Construction Type
A
Maximum Fan Speed
600 RPM
Maximum Inlet Air Temperature
180 Degrees F
For High-Static Pressure Applications
No
Motor Speed
1,725 RPM

Description

Centrifugal Downblast Roof Exhaust Fan, Drive Type Belt Drive, Assembly Unassembled, Wheel Diameter 30 1/2 in, Base Diameter Not Applicable, Base Length 42 in, Base Width 42 in, Base Shape Square, Nameplate Voltage 208-230/460V AC, Phase 3, Motor Horsepower 1 1/2 hp, Exhaust Airflow @ 0.000 in SP 9,719 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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