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

  • Mfr # 7A578
  • Zoro # G3340111
product price: 
$
2,565.99
/ea
Additional $160.00 delivery surcharge applies per item.
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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

Details

MFR #
7A578
Zoro #
G3340111
UPC #
-
Country of Origin
Multiple
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
115V AC, 208V AC, 230V AC
Motor HP - Roof Ventilators
1/2 hp
CFM @ 0.000-In. SP
6803
CFM @ 0.125-In. SP
6222
Motor HP
1/2 hp
Max. Inlet Temp.
180 Degrees
Wheel Type
Backward Inclined
Housing Material
Aluminum
Recommended 8 In. Fixed Curb Item No.
4HX43
CFM @ 0.250-In. SP
5537
Speed Controllable
No
Mounting Location
Roof
Adj. 6 3/8"H Roof Curb Stock No.
4c455
Includes
Drive Package, NEMA 1 Junction Box
Adj. 12 3/8"H Roof Curb Stock No.
3C438
CFM @ 0.375-In. SP
4641
Item
Centrifugal Downblast Roof Exhaust Fan
Wheel Material
Aluminum
Drive Package Included
Yes
Motor Voltage
115V, 208V, 230V
Phase
1
Drive Type
Belt Drive
Recommended 12 In. Fixed Curb Item No.
4HX51
Sones @ 0.250-In. SP @ 5 Ft.
7.0
Assembled/Unassembled
Unassembled
Max. BHP
0.53
Hz
60 Hz
Sones @ 0.125-In. SP @ 5 Ft.
8.0
Agency Compliance
AMCA Sound & Air, UL/cUL 705
RPM
420
Standards
AMCA Sound and Air, UL/cUL 705
Bearing Type
Regreasable Pillow Block
Frequency
60 Hz
Brake Horsepower
53/100 hp
Safety Features
Birdscreen, Windband
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 @ 0.000 in SP
6,803 cfm
Maximum Static Pressure
3/8 in wc
Compatible Curb Manufacturer Part Number
2RB81, 2ZV84, 3C438, 4C455, 4HX43, 4HX51
Exhaust Airflow @ 0.375 in SP
4,641 cfm
Application
Industrial and Commercial Applications
Features
Fully Rolled Windband Bead for Increased Stability and Easy Transport, NEMA 1 Junction Box Located in Motor Enclosure
Exhaust Airflow @ 0.125 in SP
6,222 cfm
Mount Type
Roof Curb
Motor Horsepower
1/2 hp
High-Efficiency Motor
No
Spark Resistant Construction Type
A
Motor Location
Out of Airstream
Includes Motor
Yes
For High-Static Pressure Applications
No
Maximum Fan Speed
420 RPM
Airflow @ 0.000 in SP
6,803 cfm
Current
7.6/3.7 to 3.8 A
Includes Drive Package
Yes
Electrical Connection
Power Cord
Motor Speed
1,725 RPM
Base Shape
Square
Nameplate Voltage
115/208-230V AC
For Air Type
Clean Air
Exhaust Airflow @ 0.250 in SP
5,537 cfm
Resistance Properties
Weather Resistant
Motor Enclosure
Open Dripproof
Maximum Inlet Air Temperature
180 Degrees F
Housing Material Fabrication
Spun
Assembly
Unassembled

Dimensions

Base Size - Roof Ventilators
42 in x 42 in
Overall Dia.
50 in
Base Width
42 in
Wheel Dia.
30 1/2 in
Base Height
1 3/4 in
Overall Height
37 3/4 in
Base Square Size - Roof Ventilators
42" x 42"
Dimension C
36 in
Dimension D
8 25/100 in
Base Length
42 in
Dimension A
42 in
Shaft Dia. Wheel End
1 in
Dimension B
50 in
Propeller Shaft Diameter
1 in
Housing Width
50 in
Overall Diameter
50 in
Damper Size
35 x 35 in
Wheel Diameter
30 1/2 in
Housing Length
50 in
Overall Width
50 in
Overall Length
50 in
Wire Rope Length
50 in
Length
50 in
Fits Chest Size
Fully Rolled Windband Bead for Increased Stability and Easy Transport, NEMA 1 Junction Box Located in Motor Enclosure

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 115/208-230V AC, Phase 1, 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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