Centrifugal Pumps vs Diaphragm Pumps

AODD vs. Centrifugal

Diaphragm Pump vs Centrifugal Pump

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ARO® Air Operated Diaphragm Pump Competitive Zone

vs Centrifugal Pumps

Air Operated Diaphragm Pumps can run dry, stall, and significantly reduce the possibility of cavitation during operation.
ARO® AODD pumps have a broad operating window allowing customer flexibility to make changes in their process without changing the pump.
Centrifugal Pump vs AODD Pump

Typical Centrifugal Pump Applications

  • Various / changing process set points
  • Highly acidic / basic fluids
  • Abrasive fluid transfer

ARO® Diaphragm Pump Advantages

  • Self Priming
  • Wide range of efficient flow rates
  • Broad chemical compatibility (PTFE)
  • Broad viscosity range
  • Abrasive & solids containing fluids
  • Ability to “dead head” without failure
  • “Process Ready” standard on EXP Series












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  AODD Centrifugal
Initial Purchase Cost good same
Dosing Accuracy same bad
Chemical Compatibility good same
Abrasives good bad
Viscous Liquids good bad
Solids good bad
Low Fluid Shear good bad
Stall Capability good bad
Run Dry good bad
Rotating Seals good bad
Self Priming good bad
EXP Series Pumps vs Centrifugal Pumps