The SHURFLO Model 477 Air Operated Double Diaphragm Pump was developed for chemical transfer, injection and spraying applications. This AODD pump features a directional control spool design that eliminates the stalling problems associated with over center directional control designs. With an open flow capacity of up to 10 gpm, the SHURFLO Model 477 pump will easily handle your current lower
• High-Efficiency, No Stall Pneumatic Spool Valves for Long Life
• Up to 10 GPM Open Flow @ 100 PSI Air Pressure [37.8 LPM @ 689 kPa]
• 40–100 PSI Air Pressure Operating Range [275 – 689 kPa]
• Pumps Handle Caustic or Acidic Fluids, Including High-Viscosity Fluids
• Available in Santoprene® and Viton®
• Both 1/2” & 3/4” Barbed Liquid Port Fittings Included
• Can Run Dry without Damage
• 5 gpm open flow applications, and will also apply to many applications currently using a 14 gpm open flow pump