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| Item | Downblast Ventilator |
|---|---|
| Amps | 6.6/3.4-3.1A |
| Application | Industrial And Commercial Applications |
| Assembled/unassembled | Unassembled |
| Assembly | Unassembled |
| Base Dia. | Not Applicable |
| Base Height | 1 3/4" |
| Base Length | 42" |
| Base Shape | Square |
| Base Size | 42" x 42" |
| Base Width | 42" |
| Bearing Type | Regreasable Pillow Block |
| Brake Hp | 7/20 bhp |
| Compatible Curb Grainger Part No. | 2RB81, 2ZV84, 3C438, 4C455, 4HX43, 4HX51 |
| Compatible Damper Grainger Part Number | 4HX69 |
| Damper Size | 35" x 35" |
| Dimension A | 42" |
| Dimension B | 50" |
| Dimension C | 36" |
| Dimension D | 8 1/4" |
| 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 | 5912 CFM |
| Exhaust Airflow @ 0.125 In Sp | 5222 CFM |
| Exhaust Airflow @ 0.250 In Sp | 4340 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 | 50" |
| Housing Material | Aluminum |
|---|---|
| Housing Material Fabrication | Spun |
| Housing Width | 50" |
| Includes Drive Package | Yes |
| Includes Drive Package With Motor | Yes |
| Includes Motor | Yes |
| Maximum Fan Speed | 365 RPM |
| Maximum Inlet Air Temperature | 180°F |
| Maximum Static Pressure | 0.25 in. wc |
| Motor Enclosure | Open Dripproof |
| Motor Hp | 1/3 hp |
| Motor Location | Out Of Airstream |
| Motor Speed | 1725 RPM |
| Mount Type | Roof Curb |
| Mounting Location | Roof |
| Nameplate Voltage | 115/208-230V AC |
| Number Of Speeds | 1 |
| Overall Dia. | 50" |
| Overall Height | 37 3/4" |
| Overall Length | 50" |
| Overall Width | 50" |
| Phase | 1 |
| Propeller Shaft Dia. | 1" |
| Resistance Properties | Weather Resistant |
| Safety Features | Birdscreen, Windband |
| Shaft Dia. Wheel End | 1" |
| Sound Level | 5.7 Sones @ 0.250 in Sp And 5 Ft, 6.2 Sones @ 0.125 in Sp And 5 Ft, 9.2 Sones @ 0.000 in Sp And 5 Ft |
| Spark Resistant Construction Type | A |
| Speed Controllable | No |
| Wheel Dia. | 30 1/2" |
| Wheel Material | Aluminum |
| Wheel Type | Backward Inclined |
| Standards | AMCA SOUND AND AIR, UL/CUL 705 |
| Height (cm) | 95.88 |
|---|---|
| Length (cm) | 127 |
| Width (cm) | 127 |
|---|---|
| Weight (kg) | 122.193 |
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