Two-ball hydraulic piston pumps are the most versatile type of piston pump capable of transferring a wide range of low to medium viscosity fluids (0 - 25,000 cPs). ARO two-ball pumps can provide up to 6000 psi fluid pressure and are available in a wide range of packing options to accommodate an array of chemical compatibilities.

Piston Pumps Brochure

ARO, Two Ball, Hydraulic Piston PumpsARO 650943-X4X-B Two-Ball Hydraulic Piston Pumps

  • 0.58:1 Ratio, Hydraulic
    3.1 GPM (11.9 LPM) max flow
    0 – 2,040 psi (0 – 141 bar) fluid pressure

  • Integrated wet cup ensures extended pump life!!
    Reliability - Hydraulic pump motor is the fluid handling professional's path to trouble-free pumping
    Durability - Fewer seal points within hydraulic motor for fewer problems
    Versatility - Stainless construction permits use with a wide range of fluids and applications
    Environmentally Sound - Hydraulic motor produces lower noise emissions than pneumatic motor
    Serviceability - Minimal fluid section part count for simple, efficient repairs

650943-X4X-B Pump Specifications | 650943-X4X-B Operators Manual

ARO, Two Ball, Hydraulic Piston PumpsARO 650940-XXD-B Two-Ball Hydraulic Piston Pumps

  • 0.8:1 Ratio, 4.125 sq in hydraulic
    12.9 GPM (48.8 LPM) max flow
    40 - 1,600 psi (2.8 – 110.3 bar) fluid pressure
  • Integrated wet cup ensures extended pump life!!
    Reliability - Hydraulic pump motor is the fluid handling professional's path to trouble free pumping
    Durability - Fewer seal points within hydraulic motor for fewer problems
    Versatility - Stainless construction permits use with a wide range of fluids and applications
    Environmentally Sound - Hydraulic motor produces lower noise emissions than pneumatic motor
    Serviceability - Tie rod construction and modular design for ease of service and repair

650940-XXD-B Pump Specifications | 650940-XXD-B Operators Manual

ARO, Two Ball, Hydraulic Piston PumpsARO 650944-XXX-B Two-Ball Hydraulic Piston Pumps

  • 3.3:1 Ratio, 2.062 sq. in. Hydraulic
    1.6 GPM (6.1 LPM) max flow
    165 – 3,994 psi (11.4 – 275 bar) fluid pressure

  • Integrated wet cup ensures extended pump life!!
    Reliability - Hydraulic pump motor is the fluid handling professional's path to trouble-free pumping
    Durability - Improved top plug seal design to optimize and maintain motor seal integrity
    Versatility - Lower pump as adaptable to hydraulic or pneumatic motor power source
    Environmentally Sound - Hydraulic motor produces lower noise emissions than pneumatic motor
    Serviceability - Simple two piece modular motor base permits easy access to the rod seal and wiper assembly

650944-XXX-B Pump Specifications | 650944-XXX-B Operators Manual