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Chopper Pumps

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Chopper Pumps

Centex Fluid Products distributes Cornell Pump’s Chopper Pump. Cornell’s Chopper Pump is ideally suited for chopping Solids. The standard casing, made of ASTM A536 grade 65-45-12 ductile iron, stands up to robust applications. Everything about the pump is built to tackle hard jobs, from the replaceable cutter bar made of T1 tool steel heat treated to a minimum of 60 Rockwell C hardness, to the heat treated cast steel impeller. The Cornell Chopper pump series is a heavy-duty performer.

The Cornell Chopper Pump

  • Cutter Bar: T1 tool steel heat treated to minimum 60 Rockwell C hardness
  • Casing: All Ductile Iron
  • Impeller: open, cast steel AISI 8630
  • Shaft: AISI 4142 heat treated to minimum 60 Rockwell C hardness
  • Thrust Bearings: Back-to-back angular contact ball type
  • Radial Bearings: Single ball type
  • Mechanical Seal: John Crane single, Type 2 Tungsten Carbide vs. Silicon Carbide
  • Shaft Sleeve: stainless steel, AISI 416
  • Flanges: 125 lbs.

Features and Benefits

  • Eliminates the vast majority of clogging problems
  • Chops Solids up to 2 inches
  • Heavy duty construction
  • A variety of mounting configurations
  • Efficiency to 65%
  • TDH to 250 feet
  • Operating speeds to 1800 RPM


  • Lift stations
  • Septage receiving
  • Sludge transfer and recirculation
  • Digester scum blankets
  • Clarifier scum