Home / Upblast Vent, 21-1/4 In, 208-230/460V

Upblast Vent, 21-1/4 In, 208-230/460V

SKU
Brand Dayton
Categories
Description Centrifugal Upblast Roof Exhaust Fan, Application Industrial and Commercial Buildings, Restaurants, Schools, Drive Type Belt Drive, For Air Type Kitchen Air, Base Diameter Not Applicable, Base Width 30 in, Base Length 30 in, Base Shape Square, Maximum Static Pressure 1 in wc, Nameplate Voltage 208-230/460V AC, Phase 3, Motor Horsepower 3/4 hp, Assembly Unassembled, Number of Speeds 1, Housing Material Aluminum, Wheel Material Aluminum, High-Efficiency Motor No
graingerSKU: 7YR21, mscSKU: , zoro_no: G2601182, mongo_id: 65bbe8e222d7a989a991f6ce

Web Price

$2,508.74 / each

Qty

Product Details

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

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

Adj. UL 762 Kitchen Roof Curb Stock No. 4HX62

Application Industrial and Commercial Buildings, Restaurants, Schools

Assembled/Unassembled Unassembled

Assembly Unassembled

Base Diameter Not Applicable

Base Dimension 30 in Square

Base Height 1.8 in

Base Length 30 in

Base Shape Square

Base Size - Roof Ventilators 30 in x 30 in

Base Square Size - Roof Ventilators 30 x 30

Base Width 30 in

Bearing Type Regreasable Pillow Block

Brake Horsepower 79/100 hp

CFM @ 0.500-In. SP 3397

CFM @ 0.625-In. SP 3235

CFM @ 0.750-In. SP 3067

CFM @ 0.875-In. SP 2865

CFM @ 1.000-In. SP 2637

Country of Origin (subject to change) Multiple

Current 2.9 to 2.8/1.4 A

Damper Size 23 x 23 in

Dimension A 30 in

Dimension B 35 3/8 in

Dimension C 34 3/4 in

Dimension D 21 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 @ 0.500 in SP 3,397 cfm

Exhaust Airflow @ 0.500 in SP - Range 2,000 to 4,999 cfm

Features Air Handling Quality Bearings Meet Minimum of L10-100,000 Hours, Nonoverloading Centrifugal Wheel Design

Fixed UL 762 Kitchen Roof Curb Stock No. 4HX57

For Air Type Kitchen Air

For High-Static Pressure Applications Yes

Frequency 60 Hz

Grease Capacity Standard Grease

High-Efficiency Motor No

Housing Length 35.4 in

Housing Material Aluminum

Housing Material Fabrication Spun

Housing Width 35.4 in

Hz_ 60

Includes Drive Package, NEMA 1 Junction Box

Includes Drive Package Yes

Includes Motor Yes

Item - Roof Ventilators Upblast Ventilator

Max. BHP 0.79

Max. Inlet Temp. 300 Degrees F

Max. Operating Amps 2.9-2.8/1.4

Maximum Fan Speed 1,010 RPM

Maximum Inlet Air Temperature 300 Degrees F

Maximum Static Pressure 1 in wc

Motor Efficiency Standard Motor

Motor Enclosure Open Dripproof

Motor Enclosure Design Open Dripproof (ODP)

Motor Horsepower 3/4 hp

Motor HP 3/4

Motor HP - Roof Ventilators 3/4 hp

Motor Location Out of Airstream

Motor Speed 1,010 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. 35 3/8 in

Overall Diameter 35 3/8 in

Overall Height 35 1/2 in

Package Quantity 1

Phase 3

Propeller Shaft Diameter 1 in

Recommended 12 In. Fixed Curb Item No. 2RB79

Recommended 8 In. Fixed Curb Item No. 4HX41

Recommended Damper Size (In.) 23 x 23

Recommended Damper Stock No. 4HX67

Requires Roof Curb for New Installations

Resistance Properties Spark Resistant

RPM 1010

Safety Features Fully Rolled Windband

Shaft Dia. Wheel End 1 in

Sones @ 0.500-In. SP @ 5 Ft. 14.5

Sound Level 13.2 sones @ 1.000 in SP and 5 ft, 13.5 sones @ 0.875 in SP and 5 ft, 13.7 sones @ 0.750 in SP and 5 ft, 14.1 sones @ 0.625 in SP and 5 ft, 14.5 sones @ 0.500 in SP and 5 ft

Spark Resistant Construction Type A

Speed Controllable No

Standards AMCA Sound and Air, UL/cUL 762

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

Wheel & Housing Material Aluminum / Aluminum

Wheel Dia. 21 1/4 in

Wheel Diameter 21 1/4 in

Wheel Material Aluminum

Wheel Type Backward Inclined