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| Item | Downblast Ventilator |
|---|---|
| Application | Industrial And Commercial Applications |
| Assembled/unassembled | Assembled |
| Assembly | Assembled |
| Base Dia. | Not Applicable |
| Base Height | 1 3/4" |
| Base Length | 17" |
| Base Shape | Round |
| Base Size | 19" x 19" |
| Base Width | 17" |
| Brake Hp | 1/50 bhp |
| Cfm @ 0.000-in. Sp | 520/644/768 CFM |
| Cfm @ 0.125-in. Sp | 420/565/701 CFM |
| Cfm @ 0.500-in. Sp | 473 CFM |
| Cfm @ 0.625-in. Sp | 338 CFM |
| Compatible Curb Grainger Part No. | 2RB75, 2ZV82, 4C453, 4C670, 4HX38, 4HX46 |
| Compatible Speed Control | 48C172 |
| Current | 1.48/1.82/2.44A |
| Cutout Length | 14 1/2" |
| Dimension A | 19" |
| Dimension B | 21 3/4" |
| Dimension C | 14 5/8" |
| Dimension D | 4" |
| Drive Package Included | Yes |
| Drive Package With Motor Included | Yes |
| Drive Type | Direct Drive |
| Duty Rating | Standard |
| Electrical Connection | Power Cord |
| Exhaust Airflow @ 0.000 In Sp | 768 CFM |
| Exhaust Airflow @ 0.125 In Sp | 701 CFM |
| Exhaust Airflow @ 0.250 In Sp | 633 CFM |
| Exhaust Airflow @ 0.375 In Sp | 557 CFM |
| Exhaust Airflow @ 0.500 In Sp | 473 CFM |
| Features | Features A Fully Rolled Windband Bead For Increased Stability And Easy Transport, Fresh Outside Air Is Drawn In Under The Motor Cover To Maximize Motor Life, Nema 1 Junction Box Located In Motor Enclosure, Nonoverloading Centrifugal Wheel Design, Optional Nema 1 And 4 Disconnects Available |
| For Air Type | Clean Air |
| For High-static Pressure Applications | No |
| Frequency | 60 Hz |
| High-efficiency Motor | No |
|---|---|
| Housing Length | 21 4/5" |
| Housing Material | Aluminum |
| Housing Material Fabrication | Spun |
| Housing Width | 21 4/5" |
| Includes Drive Package | Yes |
| Includes Drive Package With Motor | Yes |
| Includes Motor | Yes |
| Max. Bhp | 0.02 bhp, 0.05 bhp, 0.08 bhp |
| Max. Inlet Temp. | 130°F |
| Maximum Ambient Temperature | 130°F |
| Maximum Fan Speed | 1500 RPM |
| Maximum Static Pressure | 0.625 in. wc |
| Motor Enclosure | Open Dripproof |
| Motor Hp | 1/15 hp |
| Motor Speed | 1550 RPM |
| Mount Type | Roof Curb |
| Mounting Location | Roof |
| Mounting Orientation | Vertical |
| Nameplate Voltage | 115V AC |
| Number Of Speeds | 3 |
| Overall Dia. | 21 3/4" |
| Overall Height | 16 3/8" |
| Overall Length | 21 3/4" |
| Overall Width | 21 3/4" |
| Phase | 1 |
| Propeller Shaft Dia. | 1/2" |
| Safety Features | Birdscreen, Windband |
| Shaft Dia. Sheave End | 1/2" |
| Shaft Dia. Wheel End | 1/2" |
| Sones @ 0.125-in. Sp @ 5 Ft. | 3.9 sones, 5.4 sones, 7.5 sones |
| Spark Resistant Construction Type | A |
| Speed Control | Variable Speed |
| Wheel Dia. | 8" |
| Wheel Material | Aluminum |
| Wheel Type | Backward Inclined |
| Standards | AMCA SOUND AND AIR, CSA, UL/CUL 705 |
| Height (cm) | 37.15 |
|---|---|
| Length (cm) | 55.24 |
| Width (cm) | 55.24 |
| HS Code | 8414519060 |
|---|---|
| Country Of Origin | US |
| Weight (kg) | 10.143 |
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