Home / Downblast Less Drive Package, 16-3/4In

Downblast Less Drive Package, 16-3/4In

SKU
Brand Dayton
Categories
Description Centrifugal Downblast Roof Exhaust Fan, Drive Type Belt Drive, Assembly Unassembled, Mounting Location Roof, Wheel Diameter 16 3/4 in, Base Diameter Not Applicable, Base Length 26 in, Base Width 26 in, Base Shape Square, Minimum Airflow 1,624 cfm, Maximum Airflow 4,062 cfm, Maximum Motor Horsepower 1 hp, Minimum Motor Horsepower 1/4 hp, Minimum Motor Speed 865 RPM, Maximum Motor Speed 1,375 RPM, Maximum Static Pressure 1 1/2 in wc, For High-Static Pressure Applications No
graingerSKU: 4YU96, mscSKU: , zoro_no: G2780933, mongo_id: 65bbe77b3aaddbd5a9099fa1

Web Price

$1,246.24 / each

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Product Details

Adj. 12 3/8H Roof Curb Stock No. 2ZV83

Adj. 6 3/8H Roof Curb Stock No. 4c454

Application Industrial and Commercial Buildings

Assembly Unassembled

Base Diameter Not Applicable

Base Dimension 26 in Square

Base Height 1 3/4 in

Base Length 26

Base Shape Square

Base Size - Roof Ventilators 26 in x 26 in

Base Width 26

Bearing Type Sealed Pillow Block

Brake Horsepower 13/50 hp

CFM Range 2555 to 4062 @ 0.0 in SP

Compatible Curb Manufacturer Part Number 2RB77, 2ZV83, 3C437, 4C454, 4HX40, 4HX48

Country of Origin (subject to change) United States

Cutout Length 21.5 in

Cutout Size 21.5 in L x 21.5 in W

Damper Size 19 x 19 in

Dimension A 26 in

Dimension B 28 3/8 in

Dimension C 27 1/4 in

Dimension D 4 in

Drive Package With Motor Included No

Drive Type Belt

Drive Type - Roof Ventilators Belt Drive

Duty Rating - Roof Ventilators Hazardous Location

Electrical Connection Power Cord

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 Airflow (Dependent on Motor) 1,624 cfm to 4,062 cfm

For High-Static Pressure Applications No

Housing Length 28.4 in

Housing Material Spun Aluminum

Housing Material Fabrication Spun

Housing Width 28.4 in

Includes NEMA 1 Junction Box

Includes Drive Package No

Includes Motor No

Item - Roof Ventilators Downblast Ventilator

Material Aluminum Blade with Aluminum Housing

Max. Inlet Temp. 180 Degrees

Maximum Airflow 4,062 cfm

Maximum Fan Speed 1,375 RPM

Maximum Inlet Air Temperature 180 Degrees F

Maximum Motor Horsepower 1 hp

Maximum Motor Speed 1,375 RPM

Maximum Static Pressure 1 1/2 in wc

Minimum Airflow 1,624 cfm

Minimum Motor Horsepower 1/4 hp

Minimum Motor Speed 865 RPM

Motor HP Range 1/4 to 1

Motor Location Out of Airstream

Mount Type Roof Curb

Mounting Location Roof

Mounting Location - Roof Ventilators Roof

Noise Level @ 0.000 in SP @ 5 ft 10 sones

Number of Speeds 1

Overall Dia. 28 3/8 in

Overall Diameter 28 3/8 in

Overall Height 27 1/4 in

Overall Length 28 3/8 in

Overall Width 27 1/4 in

Package Quantity 1

Power Source Electric Motor

Propeller Shaft Diameter 3/4 in

Recommended 12 In. Fixed Curb Item No. 2RB77

Recommended 8 In. Fixed Curb Item No. 4HX40

Recommended Damper Size (In.) 19 x 19

Recommended Damper Stock No. 4HX66

Requires Roof curb for new installations

Resistance Properties Weather Resistant

RPM Range 865 to 1375

Safety Features Birdscreen, Windband

Shaft Dia. Sheave End 3/4 in

Shaft Dia. Wheel End 3/4 in

Sound Level Fan RPM 1100: 15.3 sones @ 0.000 in SP and 5 ft, 14.7 sones @ 0.125 in SP and 5 ft, 14.1 sones @ 0.250 in SP and 5 ft, 13.8 sones @ 0.375 in SP and 5 ft, 13.5 sones @ 0.500 in SP and 5 ft, 13.0 sones @ 0.625 in SP and 5 ft, 12.5 sones @ 0.750 in SP and 5 ft, 12.0 sones @ 0.875 in SP and 5 ft, Fan RPM 1250: 17.9 sones @ 0.000 in SP and 5 ft, 17.4 sones @ 0.125 in SP and 5 ft, 17.0 sones @ 0.250 in SP and 5 ft, 16.6 sones @ 0.375 in SP and 5 ft, 16.3 sones @ 0.500 in SP and 5 ft, 16.0 sones @ 0.625 in SP and 5 ft, 15.6 sones @ 0.750 in SP and 5 ft, 15.2 sones @ 0.875 in SP and 5 ft, 14.9 sones @ 1.000 in SP and 5 ft, Fan RPM 1375: 21.0 sones @ 0.000 in SP and 5 ft, 20.0 sones @ 0.125 in SP and 5 ft, 19.6 sones @ 0.250 in SP and 5 ft, 19.2 sones @ 0.375 in SP and 5 ft, 18.9 sones @ 0.500 in SP and 5 ft, 18.6 sones @ 0.625 in SP and 5 ft, 18.4 sones @ 0.750 in SP and 5 ft, 18.0 sones @ 0.875 in SP and 5 ft, 17.6 sones @ 1.000 in SP and 5 ft, 17.2 sones @ 1.250 in SP and 5 ft, 15.4 sones @ 1.500 in SP and 5 ft, Fan RPM 865: 10.6 sones @ 0.000 in SP and 5 ft, 10.6 sones @ 0.125 in SP and 5 ft, 9.7 sones @ 0.250 in SP and 5 ft, 9.4 sones @ 0.375 in SP and 5 ft, 8.8 sones @ 0.500 in SP and 5 ft, Fan RPM 945: 12.6 sones @ 0.000 in SP and 5 ft, 12.0 sones @ 0.125 in SP and 5 ft, 11.5 sones @ 0.250 in SP and 5 ft, 11.2 sones @ 0.375 in SP and 5 ft, 10.7 sones @ 0.500 in SP and 5 ft, 10.0 sones @ 0.625 in SP and 5 ft

Spark Resistant Construction Type A

Standards UL/cUL 705AMCA Sound & Air

Wheel Dia. 16 3/4 in

Wheel Diameter 16 3/4 in

Wheel Material Aluminum

Wheel Type Backward Inclined Centrifugal