Aerotech Fans
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Specialized high-vacuum fume extractor designed to capture hazardous welding smoke, metallic dust, and fumes directly at the source. Equipped with articulated extraction arms and high-efficiency HEPA or PTFE cartridge filters to ensure worker safety and clean shop air.
Max Airflow
Up to 5,000 CMH
Efficiency
99.9% filtration efficiency
Material
Powder-coated MS Cabinet
Drive Type
Direct Drive Centrifugal
| Model | Air Volume (CFM) | Static Pressure (in.wg) | RPM (Max) | Motor (HP) |
|---|---|---|---|---|
| WFC-1 | 800 | 150 | 2,900 | 1 |
| WFC-2 | 1,500 | 200 | 2,900 | 2 |
| WFC-5 | 3,000 | 250 | 2,900 | 5 |
When equipped with a PTFE-coated HEPA H14 final filter, a welding fume extractor captures 99.995% of sub-micron metallic oxides, keeping Hexavalent Chromium (Cr(VI)) and Manganese exposures well below OSHA's strict Permissible Exposure Limits (PEL).
Heavy welding processes generate live sparks that can easily ignite dry HEPA filters. Fume extractors utilize metallic baffle spark-arrestors at the primary intake. These baffles force the airstream into sudden, rapid directional changes, causing the heavy, glowing embers to lose momentum and drop into a safe collection tray before reaching the filter media.
OSHA mandates that employers must keep welder exposure to hazardous metals (like Hexavalent Chromium and Manganese) below the Permissible Exposure Limit (PEL) of 5 micrograms per cubic meter over an 8-hour shift. This requires local source capture extractors equipped with HEPA filtration rather than simple dilution ventilation.
