Vacuum Manhole Testing

Cherne® Air-Loc® Manhole Testers provide the most efficient, accurate and cost-effective method of testing new, existing, and rehabilitated manholes.  Vacuum testing identifies infiltration and exfiltration problems by creating a vacuum in a manhole then monitoring a gauge for vacuum loss. 

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015823_h.jpg - Cherne® FILTER- GAST VACUUM PUMP

Cherne® Vacuum Pump

Cherne

Waterworks

Vacuum Manhole Testing

Pump 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)

Generator features; Converts standard air compressor into a vacuum source for testing, Vacuum generator 460 delivers 14 CFM at 10 in. Hg - air compressor minimum 7 CFM at 100 PSI, Vacuum generator 600 delivers 42 CFM at 10 in. Hg - air compressor minimum 85 CFM at 100 PSI

Pump 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)

Generator features; Converts standard air compressor into a vacuum source for testing, Vacuum generator 460 delivers 14 CFM at 10 in. Hg - air compressor minimum 7 CFM at 100 PSI, Vacuum generator 600 delivers 42 CFM at 10 in. Hg - air compressor minimum 85 CFM at 100 PSI

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)

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