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Double Diaphragm Pump

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Air Operated Double Diaphragm Pumps

Some of the most difficult liquids to pump are sludges, chemicals, paint, fuels, oils, and other volatile liquids.  Double Diaphragm pumps or Air Operated Diaphragm pumps rental pumps offer a versatile pump for the most difficult pumping jobs.  Theses rental pumps offer a variable flow rate and are simple to operate.  No need for electric or fuel to operate an engine, just compressed air.  Double Diaphragm pumps can also run dry without damage and keep your job site dry.


  • Air operated—no fuel or electricity required to operate
  • Heavy duty pump designed to handle sludge, slurries, and chemicals
  • Large solids handling (flap valve models)
  • Lightweight and versatile
  • Ideal for explosion proof environments
  • Preferred pump of choice for Oil & Gas well site operations for pumping drilling mud and various fluids
  • Quick and easy to operate
  • Variable flow rate
  • No mechanical seals
  • Pump safety tips


  • Oil & Gas
  • Municipalities
  • Landfills
  • Quarries/Mining
  • Environmental Cleanup
  • Refineries/Process
  • Sludge Pumping
  • Construction Site Dewatering

Also known as Air Operated Diaphragm Pump, Double Diaphragm Pump, AODD Pump or Peanut Pump.

Your project deserves more than just the right equipment.

From system design and installation to maintenance and customized billing, our team of experts knows that there’s more than spec sheets to consider when choosing an equipment vendor.


Specifications are approximate and may vary. Ask your sales representative for specific dimensions for the unit we supply to you.

Model Pump Size Max Flow Max Head Max Solids
Spec Sheet 
2" x 2" 5.08 cm x 5.08 cm 150 GPM 568 LPM 125 PSI 8.62 BAR .25 inches 0.635 cm
P2AOC 2" x 2" 5.08 cm x 5.08 cm 160 GPM 606 LPM 100 PSI 6.89 BAR .66 inches 1.68 cm
P2AOAC 2" x 2" 5.08cm x 5.08cm 150 GPM 568 LPM 125 PSI 8.62 BAR .25 inches 0.635 cm
Spec Sheet 
3" x 3" 7.62 cm x 7.62 cm 235 GPM 889 LPM 125 PSI 8.62 BAR .25 inches 0.635 cm
P3AOC 3" x 3" 235 GPM 125 PSI .25 inches
P3AOAC 3" x 3" 235 GPM 125 PSI .25 inches
P3AOFV 3" x 3" 7.62 cm x 7.62 cm 260 GPM 984 LPM 125 PSI 8.62 BAR 3" diameter 7.62 cm diameter

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