Home / Downblast Vent, Belt Drive, 11 In

Downblast Vent, Belt Drive, 11 In

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Brand Dayton
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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
graingerSKU: 2RB59, mscSKU: , zoro_no: G1621593, mongo_id: 65bbe79a9a749db822748aed

Web Price

$1,159.99 / each

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Product Details

Adj. 12 3/8H Roof Curb Stock No. 2ZV82

Adj. 6 3/8H Roof Curb Stock No. 4c453

Agency Compliance AMCA Sound & Air, CSA Certified Motor, UL/cUL 705

Airflow @ 0.000 in SP 373 cfm

Airflow @ 0.000 in SP - Range 0 to 1,999 cfm

Application Industrial and Commercial Applications

Assembled/Unassembled Assembled

Assembly Assembled

Base Diameter Not Applicable

Base Dimension 19 in Square

Base Height 1 3/4 in

Base Length 19 in

Base Shape Square

Base Size - Roof Ventilators 19 in x 19 in

Base Square Size - Roof Ventilators 19 x 19

Base Width 19 in

Bearing Type Sealed Pillow Block

Brake Horsepower 13/100 hp

CFM @ 0.000-In. SP 373

CFM @ 0.125-In. SP 353

CFM @ 0.250-In. SP 335

CFM @ 0.375-In. SP 312

CFM @ 0.500-In. SP 292

CFM @ 0.625-In. SP 269

CFM @ 0.750-In. SP 246

CFM @ 0.875-In. SP 223

CFM @ 1.000-In. SP 198

Compatible Curb Manufacturer Part Number 2RB75, 2ZV82, 4C453, 4C670, 4HX38, 4HX46

Country of Origin (subject to change) United States

Current 6.2/2.8 to 3.1 A

Cutout Length 14.5 in

Cutout Size 14.5 in L x 14.5 in W

Damper Size 12 x 12 in

Dimension A 19 in

Dimension B 24 3/8 in

Dimension C 24 7/8 in

Dimension D 4 3/8 in

Drive Package Included Yes

Drive Package With Motor Included Yes

Drive Type Belt Drive

Drive Type - Roof Ventilators Belt Drive

Duty Rating - Roof Ventilators Standard

Electrical Connection Power Cord

Exhaust Airflow @ 0.000 in SP 373 cfm

Exhaust Airflow @ 0.000 in SP - Range 0 to 1,999 cfm

Exhaust Airflow @ 0.125 in SP 353 cfm

Exhaust Airflow @ 0.250 in SP 335 cfm

Exhaust Airflow @ 0.375 in SP 312 cfm

Exhaust Airflow @ 0.500 in SP 292 cfm

Exhaust Airflow @ 0.500 in SP - Range 0 to 1,999 cfm

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

For Air Type Clean Air

For High-Static Pressure Applications No

Frequency 60 Hz

High-Efficiency Motor No

Housing Length 24.4 in

Housing Material Aluminum

Housing Material Fabrication Spun

Housing Width 24.4 in

Hz_ 60

Includes NEMA 1 Junction Box

Includes Drive Package Yes

Includes Motor Yes

Item - Roof Ventilators Downblast Ventilator

Material Aluminum Blade with Aluminum Housing

Max. BHP 0.08/0.39/0.82 hp

Max. Inlet Temp. 180 Degrees

Max. Operating Amps 6.2/2.8

Maximum Ambient Temperature 180 Degrees F

Maximum Fan Speed 1,710 RPM

Maximum Inlet Air Temperature 180 Degrees F

Maximum Static Pressure 1 in wc

Motor Efficiency Standard-Efficiency Motors

Motor Enclosure Open Dripproof

Motor Enclosure Design Open Dripproof (ODP)

Motor Horsepower 1/4 hp

Motor HP 1/4

Motor HP - Roof Ventilators 1/4 hp

Motor Location Out of Airstream

Motor Speed 1,725 RPM

Motor Voltage 115/208/230

Mount Type Roof Curb

Mounting Location Roof

Mounting Location - Roof Ventilators Roof

Nameplate Voltage 115/208-230V AC

Nominal Voltage 115/208-230V AC

Number of Speeds 1

Overall Dia. 24 3/8 in

Overall Diameter 24 3/8 in

Overall Height 26 5/8 in

Overall Length 24 3/8 in

Overall Width 24 3/8 in

Package Quantity 1

Phase 1

Propeller Shaft Diameter 3/4 in

Recommended 12 In. Fixed Curb Item No. 2RB75

Recommended 8 In. Fixed Curb Item No. 4HX38

Resistance Properties Weather Resistant

RPM 1710

Safety Features Birdscreen, Windband

Shaft Dia. Wheel End 3/4 in

Sones @ 0.125-In. SP @ 5 Ft. 11.0

Sones @ 0.250-In. SP @ 5 Ft. 11.0

Sones @ 0.500-In. SP @ 5 Ft. 10.3

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

Spark Resistant Construction Type A

Speed Controllable No

Standards AMCA Sound and Air, CSA, UL/cUL 705

Voltage - Roof Ventilators 115V AC/208V AC/230V AC

Wheel Dia. 11 in

Wheel Diameter 11 in

Wheel Material Aluminum

Wheel Type Backward Inclined