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Graco Husky 515 air-operated double diaphragm pumps come in 12.7mm (1/2 inch) porting size and can operate on as little as 7 bar. The pumps feature a stall-free low pulsation air valve, providing a smooth and rapid changeover. The bolt-through fluid cover design eliminates leaks, making the Husky 515 safer and more reliable than other AODDs. Husky 515 pumps are available in different materials of construction, including polypropylene, acetal and PVDF construction to suit various working fluids.


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Design Advantages

  • No mechanical seals to cause fluid leaks or failures
  • Runs quietly at less than 85 dBa with remote muffler capability
  • Easy-to-service air valve and ball checks
  • Reliable air valve for years of dependable performance

Available Options

We customise pumps according to your specific application. Get in touch with us today to get a complete list of your options. 

  • Material options: diaphragm, fluid section, ball, seat
  • Center and end porting options
  • Split manifold option to pump multiple fluids without mixing
  • Spare parts and accessories
  • Baseplates/mounting options

Key Specifications

  • Flow: 56.8 lpm
  • Max Discharge Pressure: 7 bar
  • Viscosity: 5000 cps
  • Solid size: 2.5 mm


  • Antifreeze
  • Detergent
  • Resin
  • Polymer
  • Motor Oil
  • Gear Oil
  • Hydraulic Fluid
  • Automatic Transmission Fluid
  • Cutting Oil
  • Water - Wastewater Treatment
  • Ink and Colorant


Graco air-operated double diaphragm (AODD) pumps use compressed air as a power source. The compressed air is shifted from one chamber and then to the other side by a linked shaft. This movement allows the chambers to move simultaneously. This back-and-forth motion forces liquid out of one chamber and into the discharge piping while simultaneously filling the other chamber with liquid. These pumps use reciprocating elastomeric diaphragms and check valves to pump fluid. The liquid chambers are filled and emptied by fluid that is drawn through a common inlet and discharged through a single outlet.

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