Commercial Fans & Blowers
ITEM NUMBER : 309 | Commercial Fans & Blowers
The DELHI 300 Series Forward Curved Roof Exhauster is an ideal ventilation solution for schools, hospitals, high-rise apartments, and commercial or industrial buildings where quiet operation is essential. Featuring a low-RPM forward curved blower, this roof exhauster delivers low-noise airflow with enhanced durability. Its square base allows flexible discharge direction, while the built-in back draft damper, bird screen, and fiberglass insulation ensure weather resistance and energy efficiency. Designed for long-lasting performance, it includes heavy-duty ball bearings and a motor cooled by the airstream.
FEATURES
- Square base allows discharge to be oriented in any of 4 directions
- Back draft damper and bird screen included
- Heavy duty ball bearings suitable for -65º to +250º F
- Cabinet insulated with 1/2” fiberglass insulation
- Low operating RPM of forward curved blowers results in low noise levels
- Quiet operation. Blower is mounted on heavy steel angle with rubber isolators
- Attractive green baked powder coat finish
- Automatic gravity back draft damper and bird screen are included
- Motor receives the cooling benefits of being in the air stream for increased motor life
- Recessed base ensures weather proof mounting to curb
Assembly Service Available
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| PART NUMBER | SHAFT SIZE | Max HP | CFM @ 0.5" SP | CFM @ 2" SP | UNIT SIZE (LxWxH) | ||
| 307 | 3/4" | 3/4 | 1200 | 700 | 20.38" x 20.38" x 16.63" |
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| 309 | 3/4" | 3/4 | 1800 | 1000 | 24.38" x 24.38" x 19.38" |
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| 312 | 3/4" | 2 | 3700 | 2500 | 32.38" x 32.38" x 24.63" |
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| 315 | 1" | 3 | 5700 | 4100 | 36.38" x 36.38" x 28.38" |
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| 318 | 1" | 5 | 8800 | 6600 | 40.38" x 40.38" x 33.75" |
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