Item | Downblast Ventilator |
Assembled/unassembled | Unassembled |
Assembly | Unassembled |
Base Dia. | Not Applicable |
Base Height | 1 3/4" |
Base Length | 30" |
Base Shape | Square |
Base Size | 30" x 30" |
Base Width | 30" |
Bearing Type | Regreasable Pillow Block |
Brake Hp | 27/50 hp |
Dimension A | 30" |
Dimension B | 35 1/2" |
Dimension C | 34 3/8" |
Dimension D | 5 1/2" |
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 | 35 1/2" |
Housing Material | Aluminum , Spun |
Housing Width | 35 1/2" |
Includes Drive Package | Yes |
Includes Motor | Yes |
Max. Bhp | 0.54 bhp |
Max. Inlet Temp. | 180°F |
Motor Hp | 1/2 hp |
Motor Location | Out Of Airstream |
Motor Voltage | 115/208-230V |
Mount Type | Roof Curb |
Mounting Location | Roof |
Overall Dia. | 35 1/2" |
Overall Height | 34 3/8" , 36 1/8" |
Overall Length | 35 1/2" |
Overall Width | 35 1/2" |
Phase | 1 |
Propeller Shaft Dia. | 3/4" |
Resistance Properties | Weather Resistant |
Safety Features | Birdscreen, Windband |
Shaft Dia. Sheave End | 3/4" |
Shaft Dia. Wheel End | 3/4" |
Sones @ 0.125-in. Sp @ 5 Ft. | 12.8 sones |
Sones @ 0.250-in. Sp @ 5 Ft. | 12 sones |
Sones @ 0.500-in. Sp @ 5 Ft. | 11.1 sones |
Spark Resistant Construction Type | A |
Speed Control | No |
Wheel Dia. | 18 1/2" |
Wheel Material | Aluminum |
Wheel Type | Backward Inclined , Centrifugal Backward Inclined |
Application | Industrial And Commercial Applications |
Compatible Curb Grainger Part Number | 2RB79, 2ZV83, 3C437, 4C454, 4HX41, 4HX49 |
Compatible Damper Grainger Part Number | 4HX67 |
Current | 7.6/3.7-3.8A |
Exhaust Airflow @ 0.000 In Sp | 3655 CFM |
Exhaust Airflow @ 0.125 In Sp | 3527 CFM |
Exhaust Airflow @ 0.250 In Sp | 3388 CFM |
Exhaust Airflow @ 0.375 In Sp | 3234 CFM |
Exhaust Airflow @ 0.500 In Sp | 3052 CFM |
Housing Material Fabrication | Spun |
Includes Drive Package With Motor | Yes |
Maximum Fan Speed | 940 RPM |
Motor Enclosure | Open Dripproof |
Motor Speed | 1725 RPM |
Overall Diameter | 35 1/2" |
Speed Controllable | No |
Standards | AMCA SOUND AND AIR, UL/CUL 705 |
Wheel Diameter | 18 1/2" |