Home / Downblast Vent, Belt Drive, 50 In

Downblast Vent, Belt Drive, 50 In

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Brand Dayton
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Description Centrifugal Downblast Roof Exhaust Fan, Drive Type Belt Drive, Assembly Unassembled, Wheel Diameter 50 in, Base Diameter Not Applicable, Base Length 64 in, Base Width 64 in, Base Shape Square, Nameplate Voltage 208-230/460V AC, Phase 3, Motor Horsepower 10 hp, Exhaust Airflow @ 0.000 in SP 37,068 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
graingerSKU: 7YR34, mscSKU: , zoro_no: G0867596, mongo_id: 65bbe8e222d7a989a991f6c8

Web Price

$10,189.99 / each

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Product Details

Adj. 12 3/8H Roof Curb Stock No. 1VN43 or 2ZV87

Agency Compliance AMCA Sound & Air, UL/cUL 705

Airflow @ 0.000 in SP 37,068 cfm

Airflow @ 0.000 in SP - Range More than 15,000 cfm

Application Industrial and Commercial Applications

Assembled/Unassembled Unassembled

Assembly Unassembled

Base Diameter Not Applicable

Base Dimension 64 in Square

Base Height 1 3/4 in

Base Length 64 in

Base Shape Square

Base Size - Roof Ventilators 64 in x 64 in

Base Square Size - Roof Ventilators 64 x 64

Base Width 64 in

Bearing Type Regreasable Pillow Block

Brake Horsepower 10 13/50 hp

CFM @ 0.000-In. SP 37,068

CFM @ 0.125-In. SP 36,030

CFM @ 0.250-In. SP 34,991

CFM @ 0.375-In. SP 33,900

CFM @ 0.500-In. SP 32,805

CFM @ 0.625-In. SP 31,625

CFM @ 0.750-In. SP 30,342

CFM @ 0.875-In. SP 29,127

CFM @ 1.000-In. SP 27,917

CFM @ 1.250-In. SP 25,310

Compatible Curb Manufacturer Part Number 1VN43, 2RB83, 2ZV87, 4YY76, 4YY77

Country of Origin (subject to change) Multiple

Current 27.4 to 24.8/12.4 A

Damper Size 50 x 50 in

Dimension A 64 in

Dimension B 83 in

Dimension C 50 3/4 in

Dimension D 14 1/2 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 37,068 cfm

Exhaust Airflow @ 0.000 in SP - Range More than 10,000 cfm

Exhaust Airflow @ 0.125 in SP 36,030 cfm

Exhaust Airflow @ 0.250 in SP 34,991 cfm

Exhaust Airflow @ 0.375 in SP 33,900 cfm

Exhaust Airflow @ 0.500 in SP 32,805 cfm

Exhaust Airflow @ 0.500 in SP - Range More than 10,000 cfm

Features Fresh Outside Air is Drawn in Under the Motor Cover to Maximize Motor Life, Fully Rolled Windband Bead for Increased Stability and Easy Transport, Nonoverloading Centrifugal Wheel Design

For Air Type Clean Air

For High-Static Pressure Applications No

Frequency 60 Hz

High-Efficiency Motor No

Housing Length 83 in

Housing Material Aluminum

Housing Material Fabrication Spun

Housing Width 83 in

Hz_ 60

Includes Drive Package, NEMA 1 Junction Box

Includes Drive Package Yes

Includes Motor Yes

Item - Roof Ventilators Downblast Ventilator

Material Aluminum Blade with Aluminum Housing

Max. BHP 10.26

Max. Inlet Temp. 180 Degrees

Max. Operating Amps 26.7-24.2/12.1

Maximum Fan Speed 460 RPM

Maximum Inlet Air Temperature 180 Degrees F

Maximum Static Pressure 1 1/4 in wc

Motor Efficiency Standard-Efficiency Motors

Motor Enclosure Open Dripproof

Motor Enclosure Design Open Dripproof (ODP)

Motor Horsepower 10 hp

Motor HP 10

Motor HP - Roof Ventilators 10 hp

Motor Location Out of Airstream

Motor Speed 1,770 RPM

Motor Voltage 208/230/460

Mount Type Roof Curb

Mounting Location Roof

Mounting Location - Roof Ventilators Roof

Nameplate Voltage 208-230/460V AC

Nominal Voltage 208-230/460V AC

Number of Speeds 1

Overall Dia. 83 in

Overall Diameter 83 in

Overall Height 52 1/2 in

Overall Length 83 in

Overall Width 83 in

Package Quantity 1

Phase 3

Propeller Shaft Diameter 1 1/4 in

Recommended 12 In. Fixed Curb Item No. 2RB83 or 4YY77

Recommended 8 In. Fixed Curb Item No. 4YY76

Resistance Properties Weather Resistant

RPM 460

Safety Features Birdscreen, Windband

Shaft Dia. Wheel End 1 1/4 in

Sones @ 0.125-In. SP @ 5 Ft. 32

Sones @ 0.250-In. SP @ 5 Ft. 32

Sones @ 0.500-In. SP @ 5 Ft. 32

Sound Level 27.0 sones @ 1.250 in SP and 5 ft, 28.0 sones @ 1.000 in SP and 5 ft, 29.0 sones @ 0.875 in SP and 5 ft, 30.0 sones @ 0.750 in SP and 5 ft, 31.0 sones @ 0.625 in SP and 5 ft, 32.0 sones @ 0.000 in SP and 5 ft, 32.0 sones @ 0.125 in SP and 5 ft, 32.0 sones @ 0.250 in SP and 5 ft, 32.0 sones @ 0.375 in SP and 5 ft, 32.0 sones @ 0.500 in SP and 5 ft

Spark Resistant Construction Type A

Speed Controllable No

Standards AMCA Sound and Air, UL/cUL 705

Voltage - Roof Ventilators 208V AC/230V AC/460V AC

Wheel Dia. 50 in

Wheel Diameter 50 in

Wheel Material Aluminum

Wheel Type Backward Inclined