Item | Downblast Ventilator |
Assembled/unassembled | Unassembled |
Assembly | Unassembled |
Base Dia. | Not Applicable |
Base Height | 1 3/4" |
Base Length | 34" |
Base Shape | Square |
Base Size | 34" x 34" |
Base Width | 34" |
Bearing Type | Regreasable Pillow Block |
Brake Hp | 2 hp |
Dimension A | 34" |
Dimension B | 42 3/4" |
Dimension C | 38 3/8" |
Dimension D | 5 3/4" |
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 | 42 4/5" |
Housing Material | Aluminum , Spun |
Housing Width | 42 4/5" |
Includes Drive Package | Yes |
Includes Motor | Yes |
Max. Bhp | 2 bhp |
Max. Inlet Temp. | 180°F |
Motor Location | Out Of Airstream |
Motor Voltage | 208-230/460V |
Mount Type | Roof Curb |
Mounting Location | Roof |
Overall Dia. | 42 3/4" |
Overall Height | 38 3/8" , 40 1/8" |
Overall Length | 42 3/4" |
Overall Width | 42 3/4" |
Phase | 3 |
Propeller Shaft Dia. | 1" |
Resistance Properties | Weather Resistant |
Safety Features | Birdscreen, Windband |
Shaft Dia. Sheave End | 1" |
Shaft Dia. Wheel End | 1" |
Sones @ 0.250-in. Sp @ 5 Ft. | 23 sones |
Sones @ 0.500-in. Sp @ 5 Ft. | 22 sones |
Speed Control | No |
Wheel Dia. | 24 1/2" |
Wheel Material | Aluminum |
Wheel Type | Backward Inclined , Centrifugal Backward Inclined |
Application | Industrial And Commercial Applications |
Compatible Curb Grainger Part Number | 2RB80, 2ZV84, 3C438, 4C455, 4HX42, 4HX50 |
Compatible Damper Grainger Part Number | 4HX68 |
Current | 6-5.8/2.9A |
Exhaust Airflow @ 0.000 In Sp | 7485 CFM |
Exhaust Airflow @ 0.125 In Sp | 7349 CFM |
Exhaust Airflow @ 0.250 In Sp | 7212 CFM |
Exhaust Airflow @ 0.375 In Sp | 7062 CFM |
Exhaust Airflow @ 0.500 In Sp | 6898 CFM |
Housing Material Fabrication | Spun |
Includes Drive Package With Motor | Yes |
Maximum Fan Speed | 985 RPM |
Motor Enclosure | Open Dripproof |
Motor Speed | 1745 RPM |
Overall Diameter | 42 3/4" |
Speed Controllable | No |
Standards | AMCA SOUND AND AIR, NEMA, UL/CUL 705 |
Wheel Diameter | 24 1/2" |