About Calculating the Airflow Required for Air Cleaning
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Floor-Mount Fume Exhausters
Mount these exhausters to the floor to remove fumes, vapors, and fine dust particles from your space. They 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 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |||||||||||||||
230V AC,Single Phase—Hardwire | |||||||||||||||
| 1,135 cfm @ 1/2 in. of H₂O | 78 dBA @ 15 ft. | 3 | 6" | 6" | 22 7/8" | 19 1/8" | 18 1/4" | Black Powder-Coated Steel | Steel | No | 3/8" | 7/16" | 4 | 00000000 | 000000000 |
230/460V AC,Three Phase—Hardwire | |||||||||||||||
| 855 cfm @ 1/2 in. of H₂O | 74 dBA @ 15 ft. | 1 1/2 | 6" | 6" | 22 7/8" | 19 1/8" | 17 1/8" | Black Powder-Coated Steel | Steel | No | 3/8" | 7/16" | 4 | 00000000 | 00000000 |
| 1,135 cfm @ 1/2 in. of H₂O | 78 dBA @ 15 ft. | 3 | 6" | 6" | 22 7/8" | 19 1/8" | 19 7/8" | Black Powder-Coated Steel | Steel | No | 3/8" | 7/16" | 4 | 00000000 | 00000000 |