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About Exhaust Fans
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About Sound Levels
Measured in decibels (dB), volume ratings indicate how much noise equipment makes. Some common volume levels include a whisper @ 20 dB, a refrigerator @ 40 dB, a conversation @ 60 dB, and a light machine shop @ 90 dB. OSHA recommends hearing protection for exposure to 80 dB and greater.
Dust-Resistant Direct-Drive Wall-Mount Exhaust Fans
2
Better suited for dirty, dusty, and damp environments than standard direct-drive fans, these have a totally enclosed motor enclosure. Direct-drive fans have fewer moving parts than belt-drive fans for less maintenance. Use these fans to draw stagnant and humid air out of a room or area.
Overall | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Blade Dia. | Airflow, cfm | Volume | Motor Speed, rpm | No. of Speeds | Power, hp | Wd. | Dp. | Wt., lbs. | Max. Ambient Temperature | Frame Material | Blade Material | Specifications Met | Each | ||
120V AC, Single Phase—Hardwire | |||||||||||||||
| 2 | 17" | 3,225 | Not Rated | 1,620 | 1 | 3/8 | 21 7/16" Dia. | 6 1/2" | 19 | Not Rated | Steel | Steel | UL Recognized Component | 000000 | 0000000 |
Direct-Drive Wall-Mount Exhaust Fans
Direct-drive fans have fewer moving parts than belt-drive fans for less maintenance. Use these fans to draw stagnant and humid air out of a room or area.
120V AC, Single Phase (Hardwire)—Totally Enclosed Motor Enclosure
Overall | Mounting Hole | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Blade Dia. | Airflow, cfm | Volume | Motor Speed, rpm | No. of Speeds | Power, hp | Ht. | Wd. | Dp. | Blade Material | Guard Material | Dia. | Location | No. of | Each | |
| 17" | 2,300 | 66 dBA @ 5 ft. | 1,650 | 3 | 1/8 | 22 5/8" | 22 5/8" | 7 5/8" | Aluminum | Steel | 1/4" | Guard | 4 | 0000000 | 0000000 |