Air-Operated Double Diaphragm (AODD) Pumps

DistributionNOW stocks and sells industrial AODD pumps of both metallic and non-metallic construction. These pumps are built to handle viscous and non-viscous fluids with minor suspended solids, and our dual-power units can operate on either compressed air or natural gas power.



Our AODD pumps are tough, designed to handle applications with suspended solids up to 2 in:

  • Lube oil transfer
  • Flare knockout
  • Glycol transfer and recirculation
  • Sump general transfer
  • General duty spill cleanup
  • Diesel transfer
  • Produced water/condensate transfer


Materials of Construction Cast iron, aluminum, 316 stainless steel, polypropylene, PVDF, Alloy C
Flow Rate Up to 300 gpm
Pressure Range Up to 125 psi

Our Air Operated Double Diaphragm Suppliers

Warren Rupp (Sandpiper)