Danfoss logo
W series variable displacement pumps-product-category

W series variable displacement pumps

Our Hydrokraft W series closed-loop transmission pumps are designed for high-power industrial applications such as large low-speed high-torque hydraulic motors. Designed for max pressures up to 420 bar [6,527 psi] and displacements from 130 cm3 to 750 cm3 [8.0 in3 to 45.7 in3], they feature a swashplate design with oversized shafts and bearings to ensure reliable operation and long life.

Features and benefits

  • Rated for up to 1800 rpm with even higher speeds possible
  • Rotating and pressure-loaded parts are pressure balanced
  • Through-drive enables multiple pump installations from a single shaft
  • Multiple pump combinations are also available
  • Integrated pilot pump, filter, and pressure-relief valves available
  • Modular design to support a wide range of applications
  • Fast response

Applications

  • Primary metals power units
  • Marine cranes
  • Thrusters
  • Hydraulic power units
  • Large presses and forges
  • Recycling shears
  • Test stands
  • Marine engines

Specifications

  • Ambient temp –20°C to 50°C [-4°F to 122°F]
  • Rated pressure (100% duty cycle) 350 bar [5,075 psi]
  • Hydraulic fluid temp -25°C to 90°C [-13°F to 194°F]