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Internal gear pumps


Additional information

Internal gear pumps can be used up to a continuous pressure of 4550 psi (depending on the frame size). This pump principle features a compact design with particularly high energy density.

  • Frame size 1, 2, 3
  • Size 1.7 … 40
  • Component series 2X, 3X
  • Maximum operating pressure 3600 psi
  • Maximum displacement 2.47 in³
  • Frame size 2, 3
  • Size 5 … 16
  • Component series 2X
  • Maximum operating pressure 5100 psi
  • Maximum displacement 0.98 in³
  • Frame size 4, 5
  • Size 20 … 250
  • Component series 3X
  • Maximum operating pressure 5100 psi
  • Maximum displacement 15.3 in³
  • Frame size 4, 5
  • Size 25 … 125
  • Component series 4X
  • Maximum operating pressure 3050 psi
  • Maximum displacement 7.65 in³
  • Fixed displacement
  • Frame size 2, 3
  • Size 6.3 … 32
  • Maximum pressure 5100 psi
  • Displacement 0.4 … 1.98 in³


Values in the US customary unit system are converted and rounded values. In case of doubt, only metric values are valid.
Subject to change, status 2019-09-06 22:04:53