Sludge Master Air-Powered Submersible Pump

• 3" Up to 300 gpm
  
• Handles mud, leaves, twigs, sand, sludge, mill-scale, bilge-gunk, sewage and trash-laden water typically confronted by utility companies, contractors, municipalities and most industries.
  
• Also handles most substances common to the chemical process, marine, mining, paper pulp and petrochemical industries . . . even handles small solids.
  
• Powered by a compressed air powered motor with easily adjusted variable flow and pressure control.
  
• Can run dry without damage.
  
• Automatic internal lubrication; requires only 1 pint (.47 liter) of oil every 50 hours of operation.
  
• Up to 65-ft. shut-off head.
  
• Self-priming. Submersible when exhaust air is piped above surface. No suction hose needed.
  
• Weighs just 59 Ibs. Only 23" high.
  
• Fits through openings as small as 14" diameter. User benefits of air-powered SludgeMaster are varied and unique
  
• Immediate use: simply hook up compressed air supply, lower through manhole or into sump or fluid to be pumped. No fuel tanks to run empty, no gas cans to carry, no electrical connections, no electric motors to overload.
  
• Self-priming.
  
• Pumps practically anything that will flow.
  
• High capacity, low head operation to meet nearly every emergency or daily-use application.
  
• Keeps pumping without clogging on most problem jobs. Won't choke up on small trash. Can run dry with no damage.
  
• Fool-proof design: open two-vane low-speed trash-type cast iron impeller handles abrasive substances with less wear.
  
• Continuous automatic lubrication: internal oiler, oil-bath lubricated shaft seal; needs only 1 pint every 50 hours of use.
  
• Built-in speed-limiting governor prevents damage to pump if run dry for extended periods of time.
  
• Self-draining to prevent damage in below-freezing weather.
  
• Sturdily built for rough handling and long-life endurance on land, at sea or offshore: cast iron & steel for wear, aluminum for weight-saving.

A.Y. McDonald Mfg. Co., 4800 Chavenelle Rd., Dubuque, IA 52002. Tel: 319-583-7311; Fax: 319-588-0720.