Manhole Vacuum Testing Equipment

High-vacuum flows for rapid results.

38” and 44” Flat‐Max™ Plate Style Manhole
Vacuum Head Assembly

• Our lightweight aluminum plate weighs only 45 pounds (38”) and has two lifting handles making our Flat‐Max™ easy and comfortable for one person to use.
• The Flat‐Max™ features a large 4” Grade A liquid filled gauge that is angled up to allow easy gauge reading from a safe distance.
• Our 1” thick closed cell foam liner makes forming a seal easy and leak free. Seals on both manhole frame and manhole cone surfaces.
  Maximum size usage range allows you to seal manhole openings from 18”‐36”.
• Universal coupling (Chicago Style) makes attaching your air source to the Max‐Vac™ Venturi Pump quick and easy. No need for special fittngs and hoses.

Bladder‐Max™ Manhole Vacuum Test
Assembly.

• Easy slide design makes adjusting the height of the bladder quick and easy.
• Eleven pin placements gives the user maximum height adjustment flexibility.
• Bladder inflation assembly allows for easy inflation and deflation of the bladder. No tire valves to force the air in and out of your bladder. Gauge is angled up 45° making it easy to read from a safe distance.
• 12” galvanized pipe (3/4”) extension with universal coupling (Chicago Style) allows for quick and easy hook up to the Max‐Vac™ venturi pump even when the bladder in lowered into the manhole. No need for special fittngs or hoses.

550-00 Max‐Vac™ Venturi Pump

• Our Max‐Vac™ Venturi Pump offers high vacuum flows for the rapid evacuation of manholes.
• This lightweight aluminum unit attaches easily to the vacuum head assemblies with a universal coupling (Chicago Style). No need for specialty fittngs.
• Universal Couplers (Chicago Style) eliminates any need for special hose fittngs.
• Recommended air compressor size: 85 CFM at 100 psi or higher.