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For Duct Diameter
Voltage
Airflow @ Static Pressure
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Electrical Phase
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Base Width
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Drive Type
Overall Height
DFARS Specialty Metals
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Direct-Drive Duct Fans
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Direct-drive fans have fewer moving parts than belt-drive fans for less maintenance. Also known as axial duct fans, these install inline in ductwork for use as an exhaust, supply, or booster fan. All fans have a totally enclosed motor enclosure, which can be used in dirty, dusty, and damp environments.
Note: Airflow depends on the resistance created by ductwork. This resistance, known as static pressure (SP), is measured in inches of water.
Overall | Mounting | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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For Duct Dia. | No. of Speeds | Airflow @ SP | Volume (Sound) @ Distance | Motor Speed, rpm | Power, hp | Dia. | Ht. | Dp. | Max. Temp., ° F | Housing Material | Blade Material | Certification | Hardware Included | Hole Dia. | Each | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
120V AC, Single Phase—Hardwire | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 6" | 1 | 250 ft³/min @ 3/8 in. H₂O 300 ft³/min @ 1/8 in. H₂O | Not Rated | 2,450 | 1/10 | 11 3/4" | 11 3/4" | 9 5/8" | 140 | ABS/Polycarbonate | Nylon | C-UL Listed, UL Listed | Yes | 1/4" | 00000000 | 0000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Direct-Drive Downdraft Roof-Mount Exhaust Fans
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Style 3 |
Direct-drive fans have fewer moving parts than belt-drive fans for less maintenance. More economical than upblast roof-mount exhaust fans, these draw stagnant and humid air out through your roof and then direct it back toward the roof. All fans have a disconnect switch to turn off the power for servicing.
Note: Airflow depends on the resistance created by ductwork. This resistance, known as static pressure (SP), is measured in inches of water.
Exhaust Fans | Mounting Bases | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Overall | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Style | Blade Dia. | Airflow @ SP | Volume (Sound) @ Distance | Motor Speed, rpm | Power, hp | Dia. | Ht. | Base Wd. | Wt., lb. | Ambient Temp. | Housing Material | Certification | Each | Each | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Totally Enclosed Motor Enclosure | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
120V AC, Single Phase—Hardwire | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 3 | 12" | 430 ft³/min @ 1/2 in. H₂O 830 ft³/min @ 0 in. H₂O | Not Rated | 1,500 | 1/10 | 20 5/16" | 11 3/4" | 19" | 30 | Not Rated | Aluminum | AMCA Certified, ETL Listed | 0000000 | 0000000 | 0000000 | 0000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
