Official Mud Sucker Web Site

How To Select The Correct Diaphragm Pump

Ball Valve or Flapper Valve? Which design is best for your fluid handling application and operating conditions?


Slurry handling design
Diaphragm Pump - Ball Valve Design
  • Designed for intermittent use
  • If pumping a liquid that has a solids concentration greater than 15% Examples include; Return activated sludge (RAS), waste activated sludge (WAS), wastewater, food processing waste, oil sludge and liquids with similar properties
  • If the material will harden or dry quickly
  • The ball valve breaks up materials or solids easily
  • See Ball Valve Style single diaphragm pumps available
  • See Double Diaphragm style diaphragm pumps available

  • Flapper valve pump design
    Diaphragm Pump - Flapper Valve Design
  • Designed for intermittent use
  • If pumping wastewater or sludge below 15% solids, a flapper valve diaphragm pump design is a good choice
  • See flapper valve style diaphragm pumps available