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.
Direct-Drive Duct Fans
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.
For technical drawings and 3-D models, click on a part number.
Overall | Mounting | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Duct Dia. | Airflow @ Static Pressure | Motor Speed, rpm | Power, hp | Dia. | Ht. | Dp. | Max. Temp., °F | Housing Material | Blade Material | Specifications Met | Hardware Included | Hole Diameter | Each | |
120V AC, Single Phase—Hardwire | ||||||||||||||
| 6" | 201 cfm @ 3/8 in. of H₂O 255 cfm @ 1/8 in. of H₂O | 2,450 | 1/12 | 11 5/8" | 12 1/8" | 9 7/32" | 140° | ABS/Polycarbonate Plastic | Nylon Plastic | C-UL Listed, UL Listed | Yes | 1/4" | 000000000 | 0000000 |
| 6" | 250 cfm @ 3/8 in. of H₂O 308 cfm @ 1/8 in. of H₂O | 2,150 | 1/6 | 11 5/8" | 12 1/8" | 9 7/32" | 140° | ABS/Polycarbonate Plastic | Nylon Plastic | C-UL Listed, UL Listed | Yes | 1/4" | 000000000 | 000000 |
Enclosure-Cooling Fans
Protect equipment in enclosures and cabinets from heat. All of these fans are reversible to exhaust hot air out or draw cooler outside air in through a filter that removes dirt and dust. They have UL recognized components.
Replacement filters are sold separately.
For technical drawings and 3-D models, click on a part number.
Fans | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Overall | For Opening | Replacement Filters | ||||||||||||||
| Ht. | Wd. | Dp. | Ht. | Wd. | Airflow, cfm | Volume, dB | Motor Speed, rpm | Current, A | Blade Material | Guard Material | Mounting Fasteners Included | Mounting Hole Dia. | Each | Each | ||
Rectangular | ||||||||||||||||
120V AC, Single Phase, 50Hz/60Hz—Three Prong Plug | ||||||||||||||||
| 12 1/8" | 13 3/8" | 4 13/16" | 12 1/8" | 12 1/8" | 725 | 66 | 1,600 | 1.2 | Aluminum | Zinc-Plated Steel | No | 0.22" | 0000000 | 0000000 | 00000000 | 000000 |