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  9. Downblast Vent, Belt Drive, 30-1/2 In
Dayton Downblast Vent, Belt Drive, 30-1/2 In 7A677 - main

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

  • Mfr # 7A677

  • Zoro # G2959932

product price: $2,987.99
/ea
Item requires special delivery charges. A $140.00 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 #
7A677
Zoro #
G2959932
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
42 in x 42 in
Dimension A
42 in
Base Square Size - Roof Ventilators
42" x 42"
Overall Dia.
50 in
Dimension B
50 in
Base Length
42 in
Base Width
42 in
Wheel Dia.
30 1/2 in
Dimension D
8 25/100 in
Overall Height
37 3/4 in
Dimension C
36 in
Base Height
1 3/4 in
Shaft Dia. Wheel End
1 in
Housing Length
50 in
Wheel Diameter
30 1/2 in
Overall Width
50 in
Propeller Shaft Diameter
1 in
Damper Size
35 x 35 in
Overall Length
50 in
Housing Width
50 in
Overall Diameter
50 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
14,416
Max. BHP
5.09
Motor HP
5
CFM @ 0.750-In. SP
12,716
Sones @ 0.125-In. SP @ 5 Ft.
28
Agency Compliance
AMCA Sound & Air, UL/cUL 705
Motor Voltage
208/230/460
Wheel Material
Aluminum
CFM @ 1.000-In. SP
12,073
CFM @ 0.875-In. SP
12,402
Drive Package Included
Yes
Drive Type
Belt Drive
Mounting Location
Roof
CFM @ 0.625-In. SP
13,028
Adj. 12 3/8"H Roof Curb Stock No.
3C438
CFM @ 0.375-In. SP
13,639
Hz
60
Sones @ 0.500-In. SP @ 5 Ft.
27
Speed Controllable
No
Adj. 6 3/8"H Roof Curb Stock No.
4c455
Assembled/Unassembled
Unassembled
Sones @ 0.250-In. SP @ 5 Ft.
28
Phase
3
Includes
Drive Package, NEMA 1 Junction Box
CFM @ 1.250-In. SP
11,379
Item
Centrifugal Downblast Roof Exhaust Fan
CFM @ 1.500-In. SP
10,536
Recommended 8 In. Fixed Curb Item No.
4HX43
RPM
890
CFM @ 0.125-In. SP
14,157
CFM @ 1.75-In. SP
9568
CFM @ 0.500-In. SP
13,335
Housing Material
Aluminum
Recommended 12 In. Fixed Curb Item No.
4HX51
Max. Inlet Temp.
180 Degrees
CFM @ 2.000-In. SP
7963
CFM @ 0.250-In. SP
13,898
Wheel Type
Backward Inclined
Standards
AMCA Sound and Air, UL/cUL 705
Bearing Type
Regreasable Pillow Block
Includes Drive Package
Yes
Brake Horsepower
5 9/100 hp
Compatible Curb Manufacturer Part Number
2RB81, 2ZV84, 3C438, 4C455, 4HX43, 4HX51
Airflow @ 0.000 in SP
14,416 cfm
Frequency
60 Hz
Includes Motor
Yes
Nameplate Voltage
208-230/460V AC
Spark Resistant Construction Type
A
Mount Type
Roof Curb
Safety Features
Birdscreen, Windband
Exhaust Airflow @ 0.250 in SP
13,898 cfm
Maximum Inlet Air Temperature
180 Degrees F
Motor Location
Out of Airstream
Application
Industrial and Commercial Applications
Electrical Connection
Power Cord
Base Shape
Square
For High-Static Pressure Applications
No
Maximum Fan Speed
890 RPM
Exhaust Airflow @ 0.500 in SP
13,335 cfm
Features
Fully Rolled Windband Bead for Increased Stability and Easy Transport, NEMA 1 Junction Box Located in Motor Enclosure
High-Efficiency Motor
No
Exhaust Airflow @ 0.125 in SP
14,157 cfm
Motor Enclosure
Open Dripproof
Assembly
Unassembled
Sound Level
18.7 sones @ 2.000 in SP and 5 ft, 21.0 sones @ 1.750 in SP and 5 ft, 22.0 sones @ 1.500 in SP and 5 ft, 24.0 sones @ 1.250 in SP and 5 ft, 25.0 sones @ 0.875 in SP and 5 ft, 25.0 sones @ 1.000 in SP and 5 ft, 26.0 sones @ 0.625 in SP and 5 ft, 26.0 sones @ 0.750 in SP and 5 ft, 27.0 sones @ 0.375 in SP and 5 ft, 27.0 sones @ 0.500 in SP and 5 ft, 28.0 sones @ 0.000 in SP and 5 ft, 28.0 sones @ 0.125 in SP and 5 ft, 28.0 sones @ 0.250 in SP and 5 ft
Motor Horsepower
5 hp
Housing Material Fabrication
Spun
Exhaust Airflow @ 0.000 in SP
14,416 cfm
For Air Type
Clean Air
Exhaust Airflow @ 0.375 in SP
13,639 cfm
Resistance Properties
Weather Resistant
Maximum Static Pressure
2 in wc
Motor Speed
1,760 RPM
Current
14.0 to 12.7/6.3 A

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 5 hp, Exhaust Airflow @ 0.000 in SP 14,416 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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