The Welch Vacuum 2050B-01 portable 12VDC vacuum pump has an 8.5 liter per minute (LPM) free air displacement with adjustable vacuum to 190 Torr. The polyacrylamide (PAM) heads and fluoropolymer air flow path is corrosion resistant for applications such as sampling, filtration, and degassing. It has a 3/8" National Pipe Taper (NPT) thread inlet for connection to air system tubing (sold separately). The Gemini-series portable pump includes vehicle and 115VAC, 60Hz adapters.
Welch-Ilmvac, a subdivision of Denver Gardner, manufactures vacuum pumps, systems, and components for industrial and research applications under the Welch and Ilmvac brand names. Denver Gardner, founded in 1859, is headquartered in Milwaukee, WI.