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The Graco Husky 307 air-operated double diaphragm pumps are designed to handle various fluids, including detergents, hydraulic fluid, water, and more. They are lightweight, heavy-duty, and exceptionally reliable in handling chemicals. The Husky 307 pumps feature a stall-free low pulsation air valve, providing a smooth and rapid changeover. Built to outlast the competition, Husky 307 pumps have a durable polypropylene body, Santoprene balls and diaphragm, and polypropylene seats.


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Design Advantages

  • Modular air valve for stall-free, low pulsation operation and rapid changeover
  • Quick and easy assembly and disassembly design
  • Easy-to-service air valve and ball checks
  • Operates on as little as 1.4 bar pressure

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: 26.5 lpm
  • Max Discharge Pressure: 7 bar
  • Viscosity: 1,000cps
  • Solid size: 1.6 mm


  • Paints, stains, coatings, inks and dyes
  • Chemicals
  • Acids
  • Corrosive and abrasive fluids
  • Lubricants
  • Ceramic glazes
  • Sludge, slurry and waste fluid
  • Soaps, detergents and solvents


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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