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