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| Item | Downblast Ventilator |
|---|---|
| Amps | 27.4-24.8/12.4A |
| Application | Industrial And Commercial Applications |
| Assembled/unassembled | Unassembled |
| Assembly | Unassembled |
| Base Dia. | Not Applicable |
| Base Height | 1 3/4" |
| Base Length | 64" |
| Base Shape | Square |
| Base Size | 64" x 64" |
| Base Width | 64" |
| Bearing Type | Regreasable Pillow Block |
| Brake Horsepower | 10 13/50 bhp |
| Brake Hp | 10 13/50 hp |
| Compatible Curb Grainger Part No. | 1VN43, 2RB83, 2ZV87, 4YY76, 4YY77 |
| Compatible Damper Grainger Part Number | 4HX71 |
| Damper Size | 50" x 50" |
| Dimension A | 64" |
| Dimension B | 83" |
| Dimension C | 50 3/4" |
| Dimension D | 14 1/2" |
| 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 | 37068 CFM |
| Exhaust Airflow @ 0.125 In Sp | 36030 CFM |
| Exhaust Airflow @ 0.250 In Sp | 34991 CFM |
| Exhaust Airflow @ 0.375 In Sp | 33900 CFM |
| Exhaust Airflow @ 0.500 In Sp | 32805 CFM |
| Features | Fresh Outside Air Is Drawn In Under The Motor Cover To Maximize Motor Life, 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 | 83" |
| Housing Material | Aluminum |
| Housing Material Fabrication | Spun |
| Housing Width | 83" |
| Includes Drive Package | Yes |
| Includes Drive Package With Motor | Yes |
| Includes Motor | Yes |
| Maximum Fan Speed | 460 RPM |
| Maximum Inlet Air Temperature | 180°F |
| Maximum Static Pressure | 1.25 in. wc |
| Motor Enclosure | Open Dripproof |
| Motor Horsepower | 10 hp |
| Motor Location | Out Of Airstream |
| Motor Speed | 1770 RPM |
| Mount Type | Roof Curb |
| Mounting Location | Roof |
| Nameplate Voltage | 208-230/460V AC |
| Number Of Speeds | 1 |
| Overall Dia. | 83" |
| Overall Height | 52 1/2" |
| Overall Length | 83" |
| Overall Width | 83" |
| Phase | 3 |
| Propeller Shaft Dia. | 1 1/4" |
| Resistance Properties | Weather Resistant |
| Safety Features | Birdscreen, Windband |
| Shaft Dia. Wheel End | 1 1/4" |
| Sound Level | 27.0 Sones @ 1.250 in Sp And 5 Ft, 28.0 Sones @ 1.000 in Sp And 5 Ft, 29.0 Sones @ 0.875 in Sp And 5 Ft, 30.0 Sones @ 0.750 in Sp And 5 Ft, 31.0 Sones @ 0.625 in Sp And 5 Ft, 32.0 Sones @ 0.000 in Sp And 5 Ft, 32.0 Sones @ 0.125 in Sp And 5 Ft, 32.0 Sones @ 0.250 in Sp And 5 Ft, 32.0 Sones @ 0.375 in Sp And 5 Ft, 32.0 Sones @ 0.500 in Sp And 5 Ft |
| Spark Resistant Construction Type | A |
| Speed Controllable | No |
| Wheel Dia. | 50" |
| Wheel Material | Aluminum |
| Wheel Type | Backward Inclined |
| Standards | AMCA SOUND AND AIR, UL/CUL 705 |
| Weight (kg) | 417.7863 |
|---|
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