The HyVac 91138-023 is a single-stage belt-drive pump with base and without motor for use in laboratory vacuum systems. The HyVac 7S pump has a 79 liter per minute (LPM) free air displacement and requires a 1/3 HP motor (sold separately). It has a 13/16" outside diameter (OD) intake nipple for connection to the vacuum system.Hyvac Products manufactures high vacuum pumps, gauges and equipment for the vacuum industry. The company, founded in 1990, is headquartered in Pottstown, PA.
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