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Air Operated Double Diaphragm Pumps

Air operated double diaphragm pumps, also called AODD pumps, are positive displacement pumps that feature two flexible diaphragms connected by a shaft. An air valve delivers compressed air to one of the diaphragms, causing it to pull to one side. This action causes the second diaphragm to shift as well, creating suction.  The compressed air alternates between feeding into and venting out of the pump; as the diaphragms move back and forth, they create a pumping action that draws fluids in and expels them through the pump.
 
Double diaphragm pumps are self-priming and typically used in low-pressure fluid transfer applications. They are compatible with dirty, contaminated, and viscous fluids and used for applications such as:

  • Acid transfer metering
  • Food processing
  • Gels or creams
  • Oils
  • Paint
  • Slurries and sludges
  • Volatile solvents
 

Double Diaphragm Pumps for Efficient and Reliable Fluid Transfer

Pumping Solutions offers AODD pumps from a range of top diaphragm pump manufacturers. Our selection of air operated double-diaphragm pumps includes models with flow rates from 0-300 GPM, and in a variety of materials ranging from Stainless Steel to Polypropylene.
 
View the individual products below to see a full listing of air operated diaphragm pump options and product specifications. If you cannot find an AODD pump that meets your application requirements, contact us and we will help you find a pump based on your needs.  


Wilden Air Operated Diaphragm Pumps 

We offer a range of pumps from Wilden, a leading and trusted double diaphragm pump manufacturer. In 1955, a man named Jim “Slim” Wilden invented air-operated double-diaphragm pump, and since then, the name “Wilden” has been synonymous with excellence.
 
Our catalog features Wilden double-diaphragm pumps ranging in sizes from ¼” to 4” with an option of Buna-N, Wil-Flex, Teflon, Saniflex, or Neoprene elastomers. Pump material and elastomer options vary depending on the pump size selected.
 

Double-Diaphragm Pump Materials

We offer Wilden air operated double diaphragm pumps in a broad range of material options, including:
  • Aluminum
  • Cast Iron
  • Stainless Steel
  • Hastelloy C
  • Polypropylene
  • Kynar(PVDF)
  • Polyethylene
  • Teflon (PTFE)


Replacement Air Operated Double-Diaphragm Pump Parts

In addition to a broad selection of Wilden double-diaphragm pumps, we offer replacement parts for AODD pumps from other manufacturers, including:
  • Aro
  • Graco
  • Sandpiper
  • Warren
  • Rupp
  • Yamada
  • Versamatic 
 

Features and Benefits of Air Operated Double Diaphragm Pumps

Double-diaphragm pumps are highly versatile and designed to handle tough jobs like pumping chemicals, slurry, concrete or barrels of water. They provide an efficient, low maintenance solution for a range of industrial applications including mining, oil & gas, wastewater treatment, pulp and paper, and pharmaceutical. Since AODD pumps use compressed air instead of electricity, they are safe to use with and around hazardous substances.
 
Air operated double diaphragm pumps are relatively easy to set up and relocate for different application uses throughout your plant. They are practically leak-free and can run dry since they do not contain internal seals or components that require lubrication.
 
For the pump function properly, the pressure of the compressed air supply must be equal to or greater than the pressure of the substance being pumped. Double diaphragm pumps are also noisier and create more vibrations than mechanical pumps. Therefore, they should not be used near sensitive machinery or devices.
 

Contact Us for Air Operated Double Diaphragm Pumps and Accessories

We’re a leading supplier of air operated double diaphragm pumps on the West Coast. With locations in Arizona, California, Idaho, Montana, Washington, and Northern Mexico, we can get you the double-diaphragm pump you need – fast. Contact us for double diaphragm pump and filtration equipment options.

 
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