Blade Diameter Blade Diameter |
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Draft Direction Draft Direction |
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Motor Enclosure Type Motor Enclosure Type |
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Base Width Base Width |
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Drive Type Drive Type |
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Motor Speed Motor Speed |
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Airflow Airflow |
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Power Power |
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Power Source Power Source |
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Electrical Connection Type Electrical Connection Type |
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Overall Height Overall Height | Show |
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Overall Height Overall Height | Hide |
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Overall Diameter Overall Diameter |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Housing Material Housing Material |
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Volume Volume |
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Ambient Temperature Ambient Temperature |
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Specifications Met Specifications Met |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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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.
About Exhaust Fans
More
About Calculating the Airflow Required for Air Cleaning
More
Direct-Drive Downdraft Roof-Mount Exhaust Fans
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.
For technical drawings and 3-D models, click on a part number.
Fans | ||||||||||||||||
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Overall | Mounting Bases | |||||||||||||||
| Blade Dia. | Airflow @ Static Pressure | Volume | Motor Speed, rpm | Power, hp | Dia. | Ht. | Base Wd. | Wt., lbs. | Max. Ambient Temperature | Housing Material | Specifications Met | Each | Each | |||
Totally Enclosed Motor Enclosure | ||||||||||||||||
120V AC, Single Phase—Hardwire | ||||||||||||||||
| 1 | 18" | 1,200 cfm @ 1/2 in. of H₂O 2,400 cfm @ 0 in. of H₂O | Not Rated | 1,100 | 1/3 | 33 9/16" | 16 3/8" | 26" | 60 | Not Rated | Aluminum | ETL Listed | 0000000 | 0000000 | 0000000 | 0000000 |
Floor-Mount Fume Exhausters
Remove fumes, vapors, and fine dust particles from your space. These exhausters are commonly used in welding, soldering, and other operations that create fumes.
Note: Airflow depends on the resistance created by ductwork. This resistance, known as static pressure (SP), is measured in inches of water.
Totally enclosed exhausters have an external fan for cooling. These exhausters offer more protection than open dripproof exhausters. They can be used in dirty, dusty, and damp environments, but are not airtight.
Single-duct kits (sold separately) maximize airflow at one fume collection point. They include a hose, a nozzle, and two clamps.
Dual-duct kits (sold separately) create two points for fume collection, although each will have lower airflow than the one collection point of a single-duct kit. These kits include two hoses, two nozzles, four clamps, and a wye connector.
Overall | Mounting | ||||||||||||||
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| Airflow @ Static Pressure | Volume | Power, hp | Inlet Dia. | Outlet Dia. | Ht. | Wd. | Dp. | Housing Material | Base Material | Fasteners Included | For Screw Size | Hole Dia. | Number of Holes | Each | |
Totally Enclosed | |||||||||||||||
120/230V AC,Single Phase—Hardwire | |||||||||||||||
| 1,045 cfm @ 1/2 in. of H₂O | 75 dBA @ 15 ft. | 1 1/2 | 6" | 6" | 16 3/8" | 12 1/4" | 18" | Aluminum | Steel | No | 3/8" | 7/16" | 4 | 00000000 | 000000000 |
230/460V AC,Three Phase—Hardwire | |||||||||||||||
| 450 cfm @ 1/2 in. of H₂O | 64 dBA @ 15 ft. | 1/4 | 6" | 6" | 16 3/8" | 12 1/4" | 15 1/4" | Aluminum | Steel | No | 3/8" | 7/16" | 4 | 00000000 | 00000000 |