Plug Technologies’ Flat-Max™ plate style vacuum testing heads are used in conjunction with the Max-Vac™ Venturi Pump II to evacuate the air from a manhole while performing a manhole vacuum test. The 38” Flat-Max™ weighs only 45 pounds and has two lifting handles allowing one person to perform a vacuum test. Both the 555-38 (38” OD) and 555-44 (44” OD) Flat-Max include the new Cam-Lock® connection between the Flat-Max and the Max-Vac II Venturi pump. The Cam-Lock® fittings allow for a secure and stable connection between the Max-Vac™ II and the Flat-Max™ allowing for maximum vacuum.
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Max-Vac II™ Venturi Pump
Max-Vac II™ venturi pump quickly generates the vacuum required to perform a manhole vacuum test. The venturi pump connects to the Flat-Max™ or the Bladder-Max™ manhole head assemblies and must is supplied by an air compressor with at least 85 CFM. The Max-Vac II offers high vacuum flows for the rapid evacuation of manholes. Easily attaches to the Flat-Max™ or Bladder-Max™ with a Cam-Lock™ coupler.
Bladder-Max™ bladder style manhole vacuum tester
The Bladder-Max™ manhole vacuum head assemblies are used in conjunction with the Max-Vax™ Venturi Pump II to quickly evacuate air from a manhole in order to allow an end user to perform a manhole vacuum test. The fabric reinforced bladders seal the top of the manhole, are designed to seal multiple size manhole openings and are made to be long lasting and durable. The lightweight aluminum head assemblies come in 21”-27” and 28”-32” sizes with lifting handles making the units easy to handle. The zinc plated steel cross-bar supports the bladder during the vacuum test and includes an easy slide design making adjusting the height quick and effortless.
