| Item | Downblast Ventilator |
| Assembled/unassembled | Unassembled |
| Assembly | Unassembled |
| Base Dia. | Not Applicable |
| Base Height | 1 3/4" |
| Base Length | 46" |
| Base Shape | Square |
| Base Size | 46" x 46" |
| Base Width | 46" |
| Bearing Type | Regreasable Pillow Block |
| Brake Hp | 1 7/100 hp |
| Cfm @ 0.000-in. Sp | 10024 CFM |
| Dimension A | 46" |
| Dimension B | 58 3/4" |
| Dimension C | 38 1/2" |
| Dimension D | 8 7/8" |
| 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 | 58 4/5" |
| Housing Material | Aluminum , Spun |
| Housing Width | 58 4/5" |
| Includes Drive Package | Yes |
| Includes Motor | Yes |
| Max. Bhp | 1.07 bhp |
| Max. Inlet Temp. | 180°F |
| Motor Location | Out Of Airstream |
| Motor Voltage | 115/208-230V |
| Mount Type | Roof Curb |
| Mounting Location | Roof |
| Overall Dia. | 53 3/4" , 58 3/4" |
| Overall Height | 38 1/2" , 40 1/8" |
| Overall Length | 58 3/4" |
| Overall Width | 58 3/4" |
| Phase | 1 |
| Propeller Shaft Dia. | 1 1/4" |
| Resistance Properties | Weather Resistant |
| Safety Features | Birdscreen, Windband |
| Shaft Dia. Sheave End | 1 1/4" |
| Shaft Dia. Wheel End | 1 1/4" |
| Sones @ 0.125-in. Sp @ 5 Ft. | 11.9 sones |
| Sones @ 0.250-in. Sp @ 5 Ft. | 11.3 sones |
| Sones @ 0.500-in. Sp @ 5 Ft. | 10 sones |
| Speed Control | No |
| Wheel Dia. | 33 1/2" |
| Wheel Material | Aluminum |
| Wheel Type | Backward Inclined , Centrifugal Backward Inclined |
| Application | Industrial And Commercial Applications |
| Brake Horsepower | 1 7/100 bhp |
| Compatible Curb Grainger Part Number | 2RB82, 2ZV85, 3C597, 3C598, 4HX44, 4HX52 |
| Compatible Damper Grainger Part Number | 4HX70 |
| Current | 13.6/6.9-6.9A |
| Damper Size | 39" x 39" |
| Exhaust Airflow @ 0.000 In Sp | 10024 CFM |
| Exhaust Airflow @ 0.125 In Sp | 9401 CFM |
| Exhaust Airflow @ 0.250 In Sp | 8713 CFM |
| Exhaust Airflow @ 0.375 In Sp | 7927 CFM |
| Exhaust Airflow @ 0.500 In Sp | 7050 CFM |
| Features | Fully Rolled Windband Bead for Increased Stability and Easy Transport, Nonoverloading Centrifugal Wheel Design |
| Frequency | 60 Hz |
| Housing Material Fabrication | Spun |
| Includes Drive Package With Motor | Yes |
| Maximum Fan Speed | 415 RPM |
| Maximum Inlet Air Temperature | 180°F |
| Maximum Static Pressure | 5/8 in. wc |
| Motor Enclosure | Open Dripproof |
| Motor Horsepower | 1 hp |
| Motor Speed | 1725 RPM |
| Nameplate Voltage | 115/208-230V AC |
| Number Of Speeds | 1 |
| Overall Diameter | 53 3/4" |
| Sound Level | 10.0 sones @ 0.500 in SP and 5 ft, 10.6 sones @ 0.375 in SP and 5 ft, 11.3 sones @ 0.250 in SP and 5 ft, 11.9 sones @ 0.125 in SP and 5 ft, 12.6 sones @ 0.000 in SP and 5 ft, 9.4 sones @ 0.625 in SP and 5 ft |
| Speed Controllable | No |
| Standards | AMCA SOUND AND AIR, NEMA, UL/CUL 705 |
| Wheel Diameter | 33 1/2" |
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