Overview of 477 series. The Shurflo® 477 AODD pump is designed for the most demanding industrial applications. With a dual diaphragm design and pneumatic spool valve, it provides long life and consistent flow. The 477 series contains specialized elastomers, allowing compatibility with the most caustic or acidic fluids.
  • High-Efficiency, No-Stall Pneumatic Spool Valves for Long Life
  • Up to 10 GPM Open Flow @ 100 PSI Air
  • Pumps Handle Caustic or Acidic Fluids, Including High-Viscosity Fluids
  • Industry Standard Mounting and Ports
  • Can Run Dry without Damage
  *THIS PRODUCT SHIPS DIRECTLY FROM THE FACTORY.  PLEASE ALLOW UP TO 14 DAYS FOR DELIVERY.*