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Downblast Vent, Belt Drive, 11 In

Mfr # 2RB59
Zoro # G1621593

$983.99

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Key Features

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

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Product Information

Brand Dayton
MFR # 2RB59
Zoro # G1621593
UPC #
190735229460
Country of Origin United States
Category Belt Drive Centrifugal Exhaust Vents

Dimensions

Base Size - Roof Ventilators	19 in x 19 in
Base Square Size - Roof Ventilators	19" x 19"
Base Width	19 in
Dimension B	24 3/8 in
Dimension D	4 3/8 in
Base Length	19 in
Overall Height	26 5/8 in
Dimension C	24 7/8 in
Dimension A	19 in
Base Height	1 3/4 in
Wheel Dia.	11 in
Shaft Dia. Wheel End	3/4 in
Overall Dia.	24 3/8 in
Overall Width	24 3/8 in
Overall Length	24 3/8 in
Propeller Shaft Diameter	3/4 in
Base Dimension	19 in Square
Cutout Length	14.5 in
Housing Length	24.4 in
Overall Diameter	24 3/8 in
Cutout Size	14.5 in L x 14.5 in W
Housing Width	24.4 in
Wheel Diameter	11 in
Damper Size	12 x 12 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	115V AC/208V AC/230V AC
Motor HP - Roof Ventilators	1/4 hp
CFM @ 0.000-In. SP	373
Adj. 12 3/8"H Roof Curb Stock No.	2ZV82
Wheel Type	Backward Inclined
Max. BHP	0.08/0.39/0.82 hp
Drive Type	Belt Drive
Wheel Material	Aluminum
Hz	60
Sones @ 0.500-In. SP @ 5 Ft.	10.3
Item	Centrifugal Downblast Roof Exhaust Fan
RPM	1710
Sones @ 0.250-In. SP @ 5 Ft.	11.0
CFM @ 0.500-In. SP	292
Housing Material	Aluminum
Motor HP	1/4
CFM @ 1.000-In. SP	198
Agency Compliance	AMCA Sound & Air, CSA Certified Motor, UL/cUL 705
Drive Package Included	Yes
Mounting Location	Roof
CFM @ 0.375-In. SP	312
Motor Voltage	115/208/230
Adj. 6 3/8"H Roof Curb Stock No.	4c453
CFM @ 0.250-In. SP	335
Speed Controllable	No
Recommended 12 In. Fixed Curb Item No.	2RB75
Max. Inlet Temp.	180 Degrees
CFM @ 0.750-In. SP	246
CFM @ 0.125-In. SP	353
Assembled/Unassembled	Assembled
Phase	1
Sones @ 0.125-In. SP @ 5 Ft.	11.0
CFM @ 0.875-In. SP	223
Recommended 8 In. Fixed Curb Item No.	4HX38
CFM @ 0.625-In. SP	269
Max. Operating Amps	6.2/2.8
Includes	NEMA 1 Junction Box
Standards	AMCA Sound and Air, CSA, UL/cUL 705
Bearing Type	Sealed Pillow Block
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
Material	Aluminum Blade with Aluminum Housing
Airflow @ 0.000 in SP - Range	0 to 1,999 cfm
Current	6.2/2.8 to 3.1 A
Electrical Connection	Power Cord
Brake Horsepower	13/100 hp
Exhaust Airflow @ 0.000 in SP - Range	0 to 1,999 cfm
High-Efficiency Motor	No
Base Shape	Square
Compatible Curb Manufacturer Part Number	2RB75, 2ZV82, 4C453, 4C670, 4HX38, 4HX46
Includes Drive Package	Yes
Mount Type	Roof Curb
Motor Efficiency	Standard-Efficiency Motors
Maximum Ambient Temperature	180 Degrees F
Exhaust Airflow @ 0.375 in SP	312 cfm
Maximum Inlet Air Temperature	180 Degrees F
Spark Resistant Construction Type	A
Housing Material Fabrication	Spun
Motor Speed	1,725 RPM
Airflow @ 0.000 in SP	373 cfm
For High-Static Pressure Applications	No
Exhaust Airflow @ 0.125 in SP	353 cfm
Exhaust Airflow @ 0.500 in SP	292 cfm
Includes Motor	Yes
Maximum Static Pressure	1 in wc
Frequency	60 Hz
Sound Level	10.0 sones @ 0.625 in SP and 5 ft, 10.3 sones @ 0.500 in SP and 5 ft, 10.6 sones @ 0.375 in SP and 5 ft, 11.0 sones @ 0.125 in SP and 5 ft, 11.0 sones @ 0.250 in SP and 5 ft, 11.1 sones @ 0.000 in SP and 5 ft, 9.3 sones @ 1.000 in SP and 5 ft, 9.5 sones @ 0.875 in SP and 5 ft, 9.8 sones @ 0.750 in SP and 5 ft
Motor Enclosure Design	Open Dripproof (ODP)
Exhaust Airflow @ 0.250 in SP	335 cfm
Assembly	Assembled
Nominal Voltage	115/208-230V AC
Maximum Fan Speed	1,710 RPM
Nameplate Voltage	115/208-230V AC
For Air Type	Clean Air
Exhaust Airflow @ 0.000 in SP	373 cfm
Motor Enclosure	Open Dripproof
Resistance Properties	Weather Resistant
Motor Location	Out of Airstream
Motor Horsepower	1/4 hp
Safety Features	Birdscreen, Windband
Exhaust Airflow @ 0.500 in SP - Range	0 to 1,999 cfm

Description

Centrifugal Downblast Roof Exhaust Fan, Drive Type Belt Drive, Assembly Assembled, Wheel Diameter 11 in, Base Diameter Not Applicable, Base Length 19 in, Base Width 19 in, Base Shape Square, Nameplate Voltage 115/208-230V AC, Phase 1, Motor Horsepower 1/4 hp, Exhaust Airflow @ 0.000 in SP 373 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, Maximum Static Pressure 1 in wc

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Downblast Vent, Belt Drive, 11 In

Mfr # 2RB59

Zoro # G1621593

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