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.
Hanging Box Fans
Easily hang these fans from your ceiling using the attached bracket and a mounting chain kit (sold separately). They're more powerful than our standard box fans. Made with a heavy duty 12-gauge welded wire mesh guard, these fans will stand up to tough environments. Plastic guard clips help reduce vibration between the housing and the guard, making these fans quieter. They require little maintenance thanks to their totally enclosed, high-efficiency motor and sealed ball bearings.
Direct-drive fans have fewer moving parts than belt-drive fans for less maintenance.
For technical drawings and 3-D models, click on a part number.
Overall | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Blade Dia. | Airflow, cfm | Motor Speed, rpm | No. of Speeds | Voltage (Current) | Power, hp | Ht. | Wd. | Dp. | Drive Type | Housing Material | Blade Material | Mounting Fasteners Included | Mounting Hole Dia. | Each | |
Single Phase—Hardwire | |||||||||||||||
Non-Oscillating | |||||||||||||||
| 36" | 9,600 | 850 | 1 | 120V AC (6.1 A) 240V AC (3 A) | 1/2 | 40 5/8" | 40 5/8" | 14 1/8" | Direct | Galvanized Steel | Steel | No | 3/8" | 0000000 | 0000000 |
Chains | ||||
|---|---|---|---|---|
| No. of | Lg. | Includes | Each | |
| 3 | 72" | Six Threaded Connecting Links, Three Eyebolts, Six Nuts for Eyebolts | 0000000 | 000000 |
Exterior-Wall-Mount Exhaust Fans
Good when you don't have room to mount an exhaust fan inside your facility, these fans attach to openings in outside walls. Use them to draw stagnant and humid air out of a room or area.
Direct-drive fans have fewer moving parts than belt-drive fans, so they’re easier to maintain. Fans with a totally enclosed motor enclosure can be used in dirty, dusty, and damp environments. They mount through the wall, so you'll need to cut a hole on the inside of the wall as well.
Note: Airflow depends on the resistance created by louvers, filters, and ductwork in your system. 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.
For Opening | Overall | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Blade Dia. | Airflow @ Static Pressure | Drive Type | Motor Speed, rpm | Power, hp | Dia. | Ht. | Wd. | Dia. | Dp. | Motor Enclosure Type | Includes | Each | |
120/230V AC, Single Phase—Hardwire | |||||||||||||
| 36" | 5,800 cfm @ 0.2 in. of H₂O 10,500 cfm @ 0 in. of H₂O | Direct | 825 | 1/2 | 36" | 44" | 44" | 53" | 57" | Totally Enclosed | Louvers | 0000000 | 000000000 |
High-Output Hazardous Location Spark-Resistant Blowers
Powerful and durable, these blowers are able to blow air through larger systems that have more airflow resistance than standard hazardous location spark-resistant blowers can handle. They have an explosion-proof motor that is UL listed for hazardous locations. They also have an aluminum housing for spark resistance. These blowers install in ductwork similar to duct fans, but are for use where high static pressures are present. Use them for equipment cooling, material conveying, drying, ventilating, and exhausting.
Note: Airflow depends on the resistance created by ductwork. This resistance, known as static pressure (SP), is measured in inches of water. It is the responsibility of users in California to follow local energy efficiency regulations. Operating these blowers at a high airflow may violate these regulations.
For technical drawings and 3-D models, click on a part number.
Overall | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Airflow @ Static Pressure | Volume | Motor Speed, rpm | Power, hp | Outlet Dia. | Inlet Dia. | Wheel Dia. | Ht. | Wd. | Dp. | Wt., lbs. | Temp. Range, °F | Mount. Fasteners Included | Mount. Hole Dia. | Each | |
With Round Outlet and Inlet | |||||||||||||||
230/460V AC, Three Phase—Hardwire | |||||||||||||||
| 1,400 cfm @ 3 in. of H₂O | 74 dBA @ 15 ft. | 3,450 | 5 | 6" | 7" | 13" | 21 5/16" | 18 1/2" | 21 3/4" | 183 | -10° to 150° | No | 7/16" | 00000000 | 000000000 |
| 1,890 cfm @ 3 in. of H₂O | 76 dBA @ 15 ft. | 3,450 | 5 | 8" | 8" | 14" | 26 5/8" | 22 3/16" | 24 7/16" | 234 | -10° to 150° | No | 7/16" | 00000000 | 00000000 |