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  9. Downblast Vent, Belt Drive, 18-1/2 In
Dayton Downblast Vent, Belt Drive, 18-1/2 In 3GY70 - main

Downblast Vent, Belt Drive, 18-1/2 In

  • Mfr # 3GY70

  • Zoro # G2612906

product price: $1,524.99
/ea
Item requires special delivery charges. A $220.00 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 #
3GY70
Zoro #
G2612906
UPC #
190735288108
Country of Origin
United States

Dimensions

Base Size - Roof Ventilators
30 in x 30 in
Dimension D
5 1/2 in
Wheel Dia.
18 1/2 in
Base Length
30 in
Dimension B
35 1/2 in
Shaft Dia. Wheel End
3/4 in
Base Height
1 3/4 in
Overall Dia.
35 1/2 in
Base Square Size - Roof Ventilators
30" x 30"
Dimension A
30 in
Overall Height
37 3/4 in
Dimension C
34 3/8 in
Base Width
30 in
Overall Length
35 1/2 in
Overall Width
35 1/2 in
Wheel Diameter
18 1/2 in
Cutout Length
25.5 in
Housing Width
35.5 in
Propeller Shaft Diameter
3/4 in
Damper Size
23 x 23 in
Overall Diameter
35 1/2 in
Housing Length
35.5 in
Cutout Size
25.5 in L x 25.5 in W

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
115V AC/230V AC
Motor HP - Roof Ventilators
1 hp
CFM @ 0.000-In. SP
4608
Hz
60
CFM @ 0.750-In. SP
3900
Adj. 6 3/8"H Roof Curb Stock No.
4c454
Max. BHP
0.04/0.07/0.12 hp
Sones @ 0.125-In. SP @ 5 Ft.
18.4
Sones @ 0.500-In. SP @ 5 Ft.
17.1
CFM @ 1.000-In. SP
3575
Drive Type
Belt Drive
Agency Compliance
AMCA Sound & Air, UL/cUL 705
Speed Controllable
No
CFM @ 1.500-In. SP
2499
CFM @ 0.250-In. SP
4401
Motor HP
1
CFM @ 0.375-In. SP
4290
CFM @ 0.500-In. SP
4179
Assembled/Unassembled
Assembled
CFM @ 1.250-In. SP
3178
CFM @ 0.625-In. SP
4046
RPM
1185
Wheel Type
Backward Inclined
Recommended 8 In. Fixed Curb Item No.
4HX41
Adj. 12 3/8"H Roof Curb Stock No.
2ZV83
CFM @ 0.125-In. SP
4508
CFM @ 0.875-In. SP
3753
Wheel Material
Aluminum
Motor Voltage
115/230
Item
Centrifugal Downblast Roof Exhaust Fan
Includes
NEMA 1 Junction Box
Housing Material
Aluminum
Max. Inlet Temp.
180 Degrees
Recommended 12 In. Fixed Curb Item No.
2RB79
Drive Package Included
Yes
Phase
1
Max. Operating Amps
12.8/6.4
Mounting Location
Roof
Sones @ 0.250-In. SP @ 5 Ft.
17.8
Bearing Type
Regreasable Pillow Block
Standards
AMCA Sound and Air, UL/cUL 705
Application
Industrial and Commercial Applications
Features
Air Handling Quality Bearings Meet Minimum of L10-100,000 Hours, Features a Fully Rolled Windband Bead for Increased Stability and Easy Transport, Fresh Outside Air is Drawn in Under the Motor Cover to Maximize Motor Life, Nema 1 Junction Box Located in Motor Enclosure, Nonoverloading Centrifugal Wheel Design, Optional Nema 1 and 4 Disconnects Available
Airflow @ 0.000 in SP
4,608 cfm
Exhaust Airflow @ 0.250 in SP
4,401 cfm
Maximum Inlet Air Temperature
180 Degrees F
Spark Resistant Construction Type
A
Includes Motor
Yes
Exhaust Airflow @ 0.125 in SP
4,508 cfm
For Air Type
Clean Air
Brake Horsepower
1 1/10 hp
Maximum Static Pressure
1 1/2 in wc
Maximum Fan Speed
1,185 RPM
Base Shape
Square
Maximum Ambient Temperature
180 Degrees F
Mount Type
Roof Curb
Sound Level
13.7 sones @ 1.500 in SP and 5 ft, 14.7 sones @ 1.250 in SP and 5 ft, 15.4 sones @ 1.000 in SP and 5 ft, 15.8 sones @ 0.875 in SP and 5 ft, 16.2 sones @ 0.750 in SP and 5 ft, 16.7 sones @ 0.625 in SP and 5 ft, 17.1 sones @ 0.500 in SP and 5 ft, 17.4 sones @ 0.375 in SP and 5 ft, 17.8 sones @ 0.250 in SP and 5 ft, 18.4 sones @ 0.125 in SP and 5 ft, 19.0 sones @ 0.000 in SP and 5 ft
Exhaust Airflow @ 0.375 in SP
4,290 cfm
Housing Material Fabrication
Spun
Motor Location
Out of Airstream
Motor Enclosure
Open Dripproof
Resistance Properties
Weather Resistant
For High-Static Pressure Applications
No
Nameplate Voltage
115/208-230V AC
High-Efficiency Motor
No
Motor Speed
1,725 RPM
Includes Drive Package
Yes
Current
12.8/6.4 to 6.4 A
Motor Horsepower
1 hp
Assembly
Assembled
Exhaust Airflow @ 0.500 in SP
4,179 cfm
Safety Features
Birdscreen, Windband
Frequency
60 Hz
Exhaust Airflow @ 0.000 in SP
4,608 cfm
Compatible Curb Manufacturer Part Number
2RB79, 2ZV83, 3C437, 4C454, 4HX41, 4HX49
Electrical Connection
Power Cord

Description

Centrifugal Downblast Roof Exhaust Fan, Drive Type Belt Drive, Assembly Assembled, Wheel Diameter 18 1/2 in, Base Diameter Not Applicable, Base Length 30 in, Base Width 30 in, Base Shape Square, Nameplate Voltage 115/208-230V AC, Phase 1, Motor Horsepower 1 hp, Exhaust Airflow @ 0.000 in SP 4,608 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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