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  9. Downblast Vent, Belt Drive, 30-1/2 In
Dayton Downblast Vent, Belt Drive, 30-1/2 In 7A671 - main

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

  • Mfr # 7A671

  • Zoro # G2865055

product price: $2,848.99
/ea
Item requires special delivery charges. A $160.00 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 #
7A671
Zoro #
G2865055
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
42 in x 42 in
Dimension C
36 in
Wheel Dia.
30 1/2 in
Dimension B
50 in
Base Length
42 in
Dimension A
42 in
Overall Height
37 3/4 in
Dimension D
8 25/100 in
Base Width
42 in
Base Height
1 3/4 in
Base Square Size - Roof Ventilators
42" x 42"
Shaft Dia. Wheel End
1 in
Overall Dia.
50 in
Housing Width
50 in
Overall Diameter
50 in
Wheel Diameter
30 1/2 in
Propeller Shaft Diameter
1 in
Overall Length
50 in
Damper Size
35 x 35 in
Housing Length
50 in
Overall Width
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
1/2 hp
CFM @ 0.000-In. SP
6803
Recommended 8 In. Fixed Curb Item No.
4HX43
Max. BHP
0.53
Speed Controllable
No
Mounting Location
Roof
CFM @ 0.125-In. SP
6222
Wheel Material
Aluminum
Assembled/Unassembled
Unassembled
RPM
420
Agency Compliance
AMCA Sound & Air, UL/cUL 705
Includes
Drive Package, NEMA 1 Junction Box
Drive Package Included
Yes
Sones @ 0.250-In. SP @ 5 Ft.
7.0
CFM @ 0.375-In. SP
4641
Drive Type
Belt Drive
Motor Voltage
208/230/460
Housing Material
Aluminum
CFM @ 0.250-In. SP
5537
Wheel Type
Backward Inclined
Adj. 12 3/8"H Roof Curb Stock No.
3C438
Hz
60
Phase
3
Sones @ 0.125-In. SP @ 5 Ft.
8.0
Item
Centrifugal Downblast Roof Exhaust Fan
Recommended 12 In. Fixed Curb Item No.
4HX51
Motor HP
1/2
Max. Inlet Temp.
180 Degrees
Adj. 6 3/8"H Roof Curb Stock No.
4c455
Bearing Type
Regreasable Pillow Block
Standards
AMCA Sound and Air, UL/cUL 705
Safety Features
Birdscreen, Windband
Motor Speed
1,725 RPM
For Air Type
Clean Air
Brake Horsepower
53/100 hp
Mount Type
Roof Curb
Housing Material Fabrication
Spun
Maximum Fan Speed
420 RPM
Compatible Curb Manufacturer Part Number
2RB81, 2ZV84, 3C438, 4C455, 4HX43, 4HX51
Features
Fully Rolled Windband Bead for Increased Stability and Easy Transport, NEMA 1 Junction Box Located in Motor Enclosure
Base Shape
Square
Exhaust Airflow @ 0.125 in SP
6,222 cfm
Resistance Properties
Weather Resistant
Motor Enclosure
Open Dripproof
Spark Resistant Construction Type
A
Assembly
Unassembled
Includes Motor
Yes
Electrical Connection
Power Cord
For High-Static Pressure Applications
No
Current
1.7 to 1.7/0.85 A
Motor Horsepower
1/2 hp
High-Efficiency Motor
No
Sound Level
6.5 sones @ 0.375 in SP and 5 ft, 7.0 sones @ 0.250 in SP and 5 ft, 8.0 sones @ 0.125 in SP and 5 ft, 9.6 sones @ 0.000 in SP and 5 ft
Exhaust Airflow @ 0.375 in SP
4,641 cfm
Airflow @ 0.000 in SP
6,803 cfm
Frequency
60 Hz
Exhaust Airflow @ 0.250 in SP
5,537 cfm
Maximum Inlet Air Temperature
180 Degrees F
Motor Location
Out of Airstream
Maximum Static Pressure
3/8 in wc
Nameplate Voltage
208-230/460V AC
Application
Industrial and Commercial Applications
Exhaust Airflow @ 0.000 in SP
6,803 cfm
Includes Drive Package
Yes

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 1/2 hp, Exhaust Airflow @ 0.000 in SP 6,803 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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