Product Specifications:

Item Downblast Ventilator
Amps 4.6/2.2-2.3A
Application Industrial And Commercial Applications
Assembled/unassembled Unassembled
Assembly Unassembled
Base Dia. Not Applicable
Base Height 1 3/4"
Base Length 34"
Base Shape Square
Base Size 34" x 34"
Base Width 34"
Bearing Type Regreasable Pillow Block
Brake Hp 13/50 bhp
Compatible Curb Grainger Part No. 2RB80, 2ZV84, 3C438, 4C455, 4HX42, 4HX50
Compatible Damper Grainger Part Number 4HX68
Damper Size 27" x 27"
Dimension A 34"
Dimension B 42 3/4"
Dimension C 38 3/8"
Dimension D 5 3/4"
Drive Package Included Yes
Drive Package With Motor Included Yes
Drive Type Belt Drive
Duty Rating Standard
Electrical Connection Power Cord
Exhaust Airflow @ 0.000 In Sp 3799 CFM
Exhaust Airflow @ 0.125 In Sp 3512 CFM
Exhaust Airflow @ 0.250 In Sp 3132 CFM
Exhaust Airflow @ 0.375 In Sp 2542 CFM
Features 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 42 4/5"
Housing Material Aluminum
Housing Material Fabrication Spun
Housing Width 42 4/5"
Includes Drive Package Yes
Includes Drive Package With Motor Yes
Includes Motor Yes
Max. Bhp 0.26 bhp
Max. Inlet Temp. 180°F
Maximum Fan Speed 500 RPM
Maximum Static Pressure 0.375 in. wc
Motor Enclosure Open Dripproof
Motor Hp 1/4 hp
Motor Location Out Of Airstream
Motor Speed 1725 RPM
Motor Voltage 115/208-230V
Mount Type Roof Curb
Mounting Location Roof
Nameplate Voltage 115/208-230V AC
Number Of Speeds 1
Overall Dia. 42 3/4"
Overall Height 40 1/8"
Overall Length 42 3/4"
Overall Width 42 3/4"
Phase 1
Propeller Shaft Dia. 1"
Resistance Properties Weather Resistant
Safety Features Birdscreen, Windband
Shaft Dia. Sheave End 1"
Shaft Dia. Wheel End 1"
Sones @ 0.125-in. Sp @ 5 Ft. 8.4 sones
Sones @ 0.250-in. Sp @ 5 Ft. 7.9 sones
Sones @ 0.500-in. Sp @ 5 Ft. 7.5 sones
Sound Level 7.5 Sones @ 0.375 in Sp And 5 Ft, 7.9 Sones @ 0.250 in Sp And 5 Ft, 8.4 Sones @ 0.125 in Sp And 5 Ft, 8.8 Sones @ 0.000 in Sp And 5 Ft
Speed Control No
Wheel Dia. 24 1/2"
Wheel Material Aluminum
Wheel Type Backward Inclined

Shipping Info:

Ship weight (kg) 66.36
Ship height (cm)101.92
Ship length (cm)108.59
Ship width (cm)108.59
HS code8414596060
Country of OriginUS

Product Variants

ProductModelAssembled/unassembledOverall HeightPhaseMotor HpCfm @ 0.000-in. SpWheel DiameterDimension ADimension BPrice
DAYTON 2RB59 Downblast Vent Belt Drive 11 In | AC3BHQ 2RB59Assembled26 5/8"11/4 hp--19"24 3/8"€1,213.69
DAYTON 2RB60 Downblast Vent Belt Drive 11 In | AC3BHR 2RB60Assembled26 5/8"11/4 hp--19"24 3/8"€1,156.54
DAYTON 2RB61 Downblast Vent Belt Drive 11 In | AC3BHT 2RB61Assembled26 5/8"11/4 hp--19"24 3/8"€1,254.28
DAYTON 2RB62 Downblast Vent Belt Drive 11 In | AC3BHU 2RB62Assembled26 5/8"11/3 hp-11"22"24 3/8"€1,334.33
DAYTON 2RB63 Downblast Vent Belt Drive 13-1/4 In | AC3BHV 2RB63Assembled26 5/8"11/2 hp--22"24 3/8"€1,279.24
DAYTON 2RB64 Downblast Vent Belt Drive 14-3/4 In | AC3BHW 2RB64Assembled26 5/8"11/2 hp--26"28 3/8"€1,463.34
DAYTON 3GY66 Downblast Vent Belt Drive 18-1/2 In | AC9JZC 3GY66Assembled29 3/4"3---30"35 1/2"€2,214.15

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DAYTON 7AU69 Downblast Vent Belt Drive 24-1/2 In
€3,206.26 /unit