Home / Roof Vent, 48 In, Less Drive Pkg

Roof Vent, 48 In, Less Drive Pkg

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Brand Dayton
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Description Axial Upblast Roof Exhaust Fan, Assembly Unassembled, Drive Type Belt Drive, Blade Diameter 48 in, Base Diameter Not Applicable, Base Length 57 1/2 in, Base Width 57 1/2 in, Base Shape Square, Maximum Airflow 34,761 cfm, Minimum Airflow 18,650 cfm, Maximum Motor Horsepower 5 hp, Minimum Motor Horsepower 2 hp, Maximum Motor Speed 587 RPM, Minimum Motor Speed 313 RPM, Maximum Static Pressure 1/2 in wc, For High-Static Pressure Applications No, For Air Type Emergency Smoke
graingerSKU: 2RB67, mscSKU: , zoro_no: G1673813, mongo_id: 65bbe9bf22d7a989a99758cd

Web Price

$6,392.49 / each

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Product Details

Adj. 12 3/8H Roof Curb Stock No. 2ZV86

Adj. 6 3/8H Roof Curb Stock No. 3C216

Agency Compliance cUL Listed, UL

Application Industrial and Commercial Buildings

Assembly Unassembled

Base Diameter Not Applicable

Base Dimension 57 1/2 in Square

Base Height 1 3/4 in

Base Height (In.) 1 3/4 in

Base Length 57 1/2 in

Base Length (In.) 57-1/2

Base Shape Square

Base Size - Roof Ventilators 57 1/2 in x 57 1/2 in

Base Width 57 1/2 in

Base Width (In.) 57-1/2

Bearing Type Regreasable Pillow Block

Blade Design Swept Steeply Pitched

Blade Dia. 48 in

Blade Diameter 48 in

Blade Finish Galvanized

Blade Material Steel

Brake Horsepower 2 1/5 hp

CFM Range 25642 to 34761 @ 0.000-In SP

Compatible Curb Manufacturer Part Number 2ZV86, 3AZJ7, 3C216, 4HX45, 4HX53

Country of Origin (subject to change) United States

Cutout Length 52 in

Cutout Size 52 in L x 52 in W

Drive Package With Motor Included No

Drive Type Belt Drive

Drive Type - Roof Ventilators Belt Drive

Electrical Connection Power Cord

Features Spring Loaded Damper Lifters

For Air Type Emergency Smoke

For Airflow (Dependent on Motor) 18,650 cfm to 34,761 cfm

For High-Static Pressure Applications No

Fusible Link Temperature 165 Degrees F

Housing Finish Galvanized

Housing Length 56 in

Housing Material Steel

Housing Width 56 in

Includes Drive Package No

Includes Motor No

Item - Roof Ventilators Emergency Smoke Ventilator

Material Steel Blade with Steel Housing

Max. Inlet Temp. (Deg. F) 120 Degrees F

Maximum Airflow 34,761 cfm

Maximum Ambient Temperature 1,000 Degrees F

Maximum Fan Speed 587 RPM

Maximum Inlet Air Temperature 120 Degrees F

Maximum Motor Horsepower 5 hp

Maximum Motor Speed 587 RPM

Maximum Noise Level @ 5 Feet 29 sones

Maximum Static Pressure 1/2 in wc

Minimum Airflow 18,650 cfm

Minimum Motor Horsepower 2 hp

Minimum Motor Speed 313 RPM

Motor HP Range 2 to 5

Mount Type Roof Curb

Mounting Location Roof

Mounting Orientation Horizontal, Vertical

Noise Level @ 0.000 in SP @ 5 ft 18.8 sones

Number of Blades 6

Overall Depth 74 in

Overall Dia. (In.) 56 in

Overall Diameter 56 in

Overall Height 71 7/8 in

Overall Height (In.) 71 5/6 in

Overall Width 57 1/2 in

Package Quantity 1

Power Source Electric Motor

Propeller Material Steel

Propeller Shaft Diameter 1 1/4 in

Recommended 12 In. Fixed Curb Item No. 4HX53

Recommended 8 In. Fixed Curb Item No. 4HX45

Requires Roof curb for new installations

Resistance Properties Weather Resistant

RPM Range 313 to 587

Series RBUMO

Shaft Dia. Propeller End (In.) 1 1/4 in

Shaft Dia. Sheave End (In.) 1 1/4 in

Smoke Control Maximum Temperature 100 Degrees F for 15 min, 500 Degrees F for 4 hr

Sound Level Fan RPM 433: 18.8 Sones @ 0.000 in SP and 5 ft, 18.4 sones @ 0.125 in SP and 5 ft, 18.2 sones @ 0.250 in SP and 5 ft, Fan RPM 496: 23.0 Sones @ 0.000 in SP and 5 ft, 23.0 sones @ 0.125 in SP and 5 ft, 22.0 sones @ 0.250 in SP and 5 ft, 23.0 sones @ 0.375 in SP and 5 ft, Fan RPM 587: 29.0 Sones @ 0.000 in SP and 5 ft, 29.0 sones @ 0.125 in SP and 5 ft, 29.0 sones @ 0.250 in SP and 5 ft, 28.0 sones @ 0.375 in SP and 5 ft, 29.0 sones @ 0.500 in SP and 5 ft

Spark Resistant Construction Type A

Speed Control No

Speed Controllable No

Standards AMCA, UL/cUL 793

Stock No. 2RB67

Type Emergency Smoke