Item | Downblast Ventilator |
Assembled/unassembled | Unassembled |
Assembly | Unassembled |
Base Dia. | Not Applicable |
Base Height | 1 3/4" |
Base Length | 26" |
Base Shape | Square |
Base Size | 26" x 26" |
Base Width | 26" |
Bearing Type | Sealed Pillow Block |
Brake Hp | 17/50 hp |
Dimension A | 26" |
Dimension B | 28 3/8" |
Dimension C | 27 1/4" |
Dimension D | 4" |
Drive Package Included | Yes |
Drive Package With Motor Included | Yes |
Drive Type | Belt Drive |
Duty Rating | Standard |
Electrical Connection | Power Cord |
For Air Type | Clean Air |
For High-static Pressure Applications | No |
High-efficiency Motor | No |
Housing Length | 28 2/5" |
Housing Material | Aluminum , Spun |
Housing Width | 28 2/5" |
Includes Drive Package | Yes |
Includes Motor | Yes |
Max. Bhp | 0.34 bhp |
Max. Inlet Temp. | 180°F |
Motor Hp | 333/1000 hp |
Motor Location | Out Of Airstream |
Motor Voltage | 115/208-230V |
Mount Type | Roof Curb |
Mounting Location | Roof |
Overall Dia. | 28 3/8" |
Overall Height | 27 1/4" , 29" |
Overall Length | 28 3/8" |
Overall Width | 28 3/8" |
Phase | 1 |
Propeller Shaft Dia. | 3/4" |
Resistance Properties | Weather Resistant |
Safety Features | Birdscreen, Windband |
Shaft Dia. Sheave End | 3/4" |
Shaft Dia. Wheel End | 3/4" |
Sones @ 0.125-in. Sp @ 5 Ft. | 12 sones |
Sones @ 0.250-in. Sp @ 5 Ft. | 11.5 sones |
Sones @ 0.500-in. Sp @ 5 Ft. | 10.7 sones |
Spark Resistant Construction Type | A |
Speed Control | No |
Wheel Dia. | 16 3/4" |
Wheel Material | Aluminum |
Wheel Type | Backward Inclined , Centrifugal Backward Inclined |
Application | Industrial And Commercial Applications |
Compatible Curb Grainger Part Number | 2RB77, 2ZV83, 3C437, 4C454, 4HX40, 4HX48 |
Compatible Damper Grainger Part Number | 4HX66 |
Current | 6.6/3.4-3.1A |
Exhaust Airflow @ 0.000 In Sp | 2791 CFM |
Exhaust Airflow @ 0.125 In Sp | 2612 CFM |
Exhaust Airflow @ 0.250 In Sp | 2434 CFM |
Exhaust Airflow @ 0.375 In Sp | 2236 CFM |
Exhaust Airflow @ 0.500 In Sp | 2010 CFM |
Housing Material Fabrication | Spun |
Includes Drive Package With Motor | Yes |
Maximum Fan Speed | 945 RPM |
Motor Enclosure | Open Dripproof |
Motor Speed | 1725 RPM |
Overall Diameter | 28 3/8" |
Speed Controllable | No |
Standards | AMCA SOUND AND AIR, UL/CUL 705 |
Wheel Diameter | 16 3/4" |