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Graco Husky 15120 air-operated diaphragm pumps have 1.5-inch (38.1 mm) porting connections and are available in polypropylene and PVDF construction. They feature a stall-free, low-pulsation air valve for smooth, rapid changeover and minimised downtime. The pumps also come with a one-piece centre section, eliminating leaks and reducing maintenance compared to other diaphragm pumps.


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Design Advantages

  • Up to 5 times longer diaphragm life compared to other AODDs in its class
  • Offers the highest fluid rate in its class
  • Up to 40% more efficient than other AODDs
  • Lube-free for cleaner operation

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
  • Spare parts and accessories
  • Baseplates/mounting options

Key Specifications

  • Flow: 454 lpm
  • Max Discharge Pressure: 8.6 bar
  • Viscosity: 15000 cps
  • Solid size: 6.3 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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