Vane Vacuum Pump By Cherne

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Cherne Air-Loc Vacuum Equipment, including engine vacuum pump and vacuum generators, are used to test the integrity of manholes and their resistance to water infiltration/exfiltration using a vacuum test medium.

Features:

Honda or Briggs & Stratton engine each - each with a low-oil shut off to prevent engine failure
Heavy duty frame with optional wheel kit
Unbreakable aluminum filter jars
Oil-free graphite vane pump for no-fuss lubrication
Draws 10 in. Hg vacuum in about 2 minutes for a 15' deep manhole (18 CFM at 10 in. Hg)