ARO 666150-3EB-C Metallic Pro Series Aluminum Diaphragm Pump - 90 GPM, 1 1/2 In.

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The ARO 666150-3EB-C pump is part of the Metallic Pro Series line of pumps. This model has an aluminum body with a Santoprene diaphragm, a Santoprene ball, and a polypropylene seat. Inlet and outlet ports are 1-1/2 11-1/2 NPTF. This diaphragm pump has a 90 GPM flow rate and a pressure range from 20-120 PSI.

ARO Pro Series air operated diaphragm pumps are ideal for general industrial and OEM installation applications. They can easily pump from clean, light viscosity fluids to corrosive, abrasive medium viscosity fluids and can transfer large particles without damage. Due to their pneumatic motor, they could be used in potentially explosive areas.


  • Maximum Flow: 90-g.p.m. (340.7-l.p.m.)
  • Ratio: 1:1
  • Female Air Inlet: 1/2 - 14 NPTF
  • Fluid Inlet: 1-1/2 11-1/2 NPTF (1-1/2 - 11 BSP parallel)
  • Fluid Outlet: 1-1/2 11-1/2 NPTF (1-1/2 - 11 BSP parallel)
  • Maximum Operating Pressure: 120-psi (8.3-bar)
  • Diaphragm Material: Santoprene
  • Ball Check Material: Santoprene
  • Seat Material: Polypropylene
  • Suspended Solids Maximum Diameter: 1/4-inch (6.4 mm)
  • Displacement Per Cycle: 0.64-Gallons (2.42-Liters)
  • Maximum Dry Suction Lift: 19 ft. (5.8 m)
  • Weight: 51.5 lbs (23.4 kg)


  • Mobility - Compact, rugged design allows for easy mobility
  • Efficiency - Motor design delivers optimum air efficiency
  • Reliability - ARO's patented 'Unbalanced' air valve ensures no-stall operation
  • Versatility - Available in aluminum, cast iron or stainless steel to withstand tough chemical applications
  • Environmentally Sound - Bolted construction for leak-free fluid handling
  • Serviceability - Easy access to ball checks and fluid caps for maintenance and repairs

Extra Information

25.00 LBS