| Item | Hazardous Location Upblast Ventilator |
| Assembled/unassembled | Unassembled |
| Assembly | Unassembled |
| Base Dia. | Not Applicable |
| Base Height | 1 3/4" , 1 4/5" |
| Base Length | 26" |
| Base Shape | Square |
| Base Size | 26" x 26" |
| Base Width | 26" |
| Bearing Type | Sealed Pillow Block |
| Brake Hp | 1 1/20 hp |
| Dimension A | 26" |
| Dimension B | 28 7/8" |
| Dimension C | 30 1/8" |
| Dimension D | 19 3/8" |
| Drive Package Included | Yes |
| Drive Package With Motor Included | Yes |
| Drive Type | Belt Drive |
| Duty Rating | Hazardous Location |
| Electrical Connection | Power Cord |
| For Air Type | Flammable Vapor |
| For High-static Pressure Applications | No |
| High-efficiency Motor | No |
| Housing Length | 28.9" |
| Housing Material | Aluminum , Spun |
| Housing Width | 28.9" |
| Includes Drive Package | Yes |
| Includes Motor | Yes |
| Max. Bhp | 1 1/20 bhp |
| Max. Inlet Temp. | 300°F |
| Motor Location | Out Of Airstream |
| Motor Voltage | 208-230/460V |
| Mount Type | Roof Curb |
| Mounting Location | Roof |
| Overall Dia. | 28 7/8" |
| Overall Height | 26 3/8" , 31 7/8" |
| Phase | 3 |
| Propeller Shaft Dia. | 3/4" |
| Recommended Damper Size (in.) | 19" x 19" |
| Requires | Roof Curb For New Installation , Roof Curb For New Installations |
| Resistance Properties | Spark Resistant |
| Safety Features | Explosion Resistant Motor |
| Shaft Dia. Sheave End | 3/4" |
| Shaft Dia. Wheel End | 3/4" |
| Sones @ 0.500-in. Sp @ 5 Ft. | 19.9 sones |
| Spark Resistant Construction Type | A |
| Speed Controllable | No |
| Wheel Dia. | 16 1/2" |
| Wheel Material | Aluminum |
| Wheel Type | Backward Inclined |
| Application | Industrial And Commercial Buildings |
| Brake Horsepower | 1 1/20 bhp |
| Compatible Curb Grainger Part Number | 2RB77, 2ZV83, 3C437, 4C454, 4HX40, 4HX48 |
| Compatible Damper Grainger Part Number | 4HX66 |
| Current | 3.4-3.6/1.8A |
| Damper Size | 19" x 19" |
| Exhaust Airflow @ 0.000 In Sp | 3996 CFM |
| Exhaust Airflow @ 0.125 In Sp | 3901 CFM |
| Exhaust Airflow @ 0.250 In Sp | 3806 CFM |
| Exhaust Airflow @ 0.375 In Sp | 3698 CFM |
| Exhaust Airflow @ 0.500 In Sp | 3584 CFM |
| Features | Air Handling Quality Bearings Meet Minimum Of L10-100, 000 Hours, Nonoverloading Centrifugal Wheel Design |
| Frequency | 60 Hz |
| Hazardous Location Specification | Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group G |
| Housing Material Fabrication | Spun |
| Includes Drive Package With Motor | Yes |
| Maximum Fan Speed | 1390 RPM |
| Maximum Inlet Air Temperature | 300°F |
| Maximum Static Pressure | 1 1/2 in. wc |
| Motor Enclosure | Totally Enclosed Fan Cooled |
| Motor Horsepower | 1 hp |
| Motor Speed | 1390 RPM |
| Nameplate Voltage | 208-230/460V AC |
| Number Of Speeds | 1 |
| Sound Level | 19.9 sones @ 0.500 in SP and 5 ft, 21 sones @ 0.125 in SP and 5 ft, 21 sones @ 0.250 in SP and 5 ft |
| Standards | AMCA SOUND AND AIR |
| Wheel Diameter | 16 1/2" |
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