Closed Circuit Piston Pumps

Sam Hydraulik

SAM Medium Duty Closed Circuit Piston Pump

SAM Medium Duty Closed Circuit Piston Pump:

MD10V series is a family of variable displacement axial piston pumps for use in closed circuits. The displacement is infinitely variable by means of a tilting swash plate; the oil flow can be reversed over the neutral point. Various controls are available: manual, servo control lever operated, on/off electric, electro proportional, hydraulic pilot, and the new automotive control. All pumps have maximum pressure relief valves and can be supplied single or tandem version. Different through drive options are available for auxiliary pump mounting as well as a wide range of options: bypass valve, pressure filter and others.

  • from 14 to 64 cm /rev[from 0.8 to 3.9 in³/rev]
  • Flow range: From 50 to 230 l/min [from 13.2 to 60.7 U.S. gpm]
  • Input speed: Max: up to 3600 rpm Min: 700 rpm
  • Pressure range: From 250 to 350 bar (Max) [from 3625 to 5075 psi (Max)]
Download Info Sheet [2.65MB .pdf]

SAM Heavy Duty Closed Circuit Piston Pump
SAM Heavy Duty Closed Circuit Piston Pump:
SH6V series are variable displacement, axial piston pumps, with swash plate design, for closed circuit hydrostatic transmissions and high pressure applications. SH6V pumps series are available with several control devices including manual lever, hydraulic proportional, electric proportional, and electric on/off. The pump can be supplied as single or tandem version and with through drive options for the assembly of auxiliary gear pumps.
  • Displacement: 75/55, 130/100 cm3/rev [4.57/3.35, 7.93/6.1 in3/rev]
  • Flow range: From 220 to 365 l/min [from 58 to 96 U.S. gpm]
  • Input speed: Max.: up to 4300 rpm Min.: 500 rpm
  • Pressure range: From 400 to 480 bar (Max) [from 5800 to 6960 psi (Max)]

Light Duty Closed Closed Ciruit Hydrostatic Pump
Light Duty Closed Closed Ciruit Hydrostatic Pump:
  • Ideally suited for the lawn and garden, and light duty construction markets.
  • Suited for under 50 hp
  • Continuous minimum and maximum speeds of 600 and 3,600 rpm, respectively.
  • Incorporates White Drive Products' Shock Reduction Technology (SRT).
  • Displacements range from .62-1.10 (10-18CC)
  • Max continuous pressure 1425psi (98 bar)
  • Available as a tandem
  • SAE "A" mount
Download Info Sheet [1.26MB .pdf]

Poclain Hydraulics
Poclain Piston pumps closed circuit
Poclain Piston pumps closed circuitPoclain offers a proven pump technology; all models utilize the parallel axial piston/slipper concept for closed loop circuits:
  • Variable Displacement - 6 sizes of pump from 55cc/rev to 250cc/rev,
  • High design flexibility:
    • 14 output shafts
    • 8 integral charge pump options from 11 to 65 cc/rev
    • Choice of filtration
    • 2 connection locations to suit your machine
    • A range of auxiliary mounting pads
  • Tandem mounting available
  • Low noise level
  • High torque for through drive
  • Overpressure protection
  • Rugged, compact, and modular
  • Specially designed electrical control for use with SMART Drive
Download Info Sheet [619KB .pdf]