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Specs
| Item | Centrifugal Downblast Exhaust Ventilator |
|---|---|
| Type | Standard Duty |
| Style | Less Drive Package |
| Wheel Dia. (In.) | 50 |
| Wheel Type | Backward Incline |
| CFM Range | 17245 to 37068 @0.0" SP |
| Max. Inlet Temp. (Deg. F) | 180 |
| Bearing Type | Regreasable Pillow block |
| Motor HP Range | -1/2 to 7-1/2 |
| RPM Range | 214 to 460 |
| Speed Controllable | No |
| Mounting Location | Roof |
| Base Width (In.) | 64 |
| Base Length (In.) | 64 |
| Base Height (In.) | 1-3/4 |
| Overall Height (In.) | 52 1/2 |
| Overall Dia. (In.) | 83 |
| Shaft Dia. Wheel End (In.) | 1-3/4 |
| Shaft Dia. Sheave End (In.) | 1-3/4 |
| Housing Material | Spun Aluminum |
| Wheel Material | Aluminum |
| Agency Compliance | UL/cUL 705 |
| Requires | Roof Curb For New Installations |
| Includes | NEMA 1 Junction Box |
| Adj. 12 3/8"H Roof Curb Stock No. | 2ZV87 |
| Recommended 12 In. Fixed Curb Item No. | 2RB83 |
| Recommended 8 In. Fixed Curb Item No. | 4YY76 |
| Recommended Damper Size (In.) | 50 x 50 |
| Recommended Damper Stock No. | 4HX71 |
| UNSPSC | 40101502 |
| Weight | 715.000000 |
| SKUs | 4YY12 |
Description
Exhaust Ventilator, Centrifugal Downblast, Less Drive Package, CFM Range 17245 to 37068 @0.0 In SP, Roof Mounting Location, Base Width 64 In, Base Length 64 In, Overall Height 52 1/2 In, Max Inlet Temp 180 F, HP Range 1/2 to 7 1/2, Wheel Dia 50 In, 214 to 460 RPM Range, Wheel Material Aluminum, Housing Material Spun Aluminum, General Clean Air Application, Includes NEMA 1 Junction Box
Centrifugal Belt-Drive Downblast Exhaust Ventilators
- Centrifugal Belt-Drive Downblast Exhaust Ventilators
- Designed to meet the general clean air exhaust requirements for industrial and commercial buildings. Rugged and reliable construction makes fan capable of withstanding severe exhaust conditions. Spun aluminum construction 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. Drive frame is internally isolated from the rest of the unit through use of neoprene isolators for long life and quiet operation; no steel-to-steel contact. Motors, sheaves, and belts are packed separately when complete, unassembled ventilator with drive package is ordered.
- UL and C-UL Listed.
- Aluminum, backward-inclined, nonoverloading centrifugal wheel design NEMA 1 junction box located in motor enclosure Max. inlet air temp.: 180 F UL-705 Listed for Power Ventilators Air handling quality bearings meet min. L10-100,000 hr. Bearings units less motor and drive: sealed pillow block up to 16-3/4" wheel dia., regreasable pillow block for 18-1/2" wheel dia. and larger Bearings assembled units: sealed pillow block up to 18-1/2" wheel dia., regreasable pillow block for 21-1/2" wheel dia. and larger
