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Home / Products & Services / Pumps / Open Circuit High Pressure / Products Detail

Displacement size from 55 to 165D

Self-regulating pump for open circuit operation

  • optimum interaction with Linde LSC control valves and LinTronic
  • energy saving operation by ‘flow on demand’-control
  • dynamic response
  • excellent suction up to rated speed
  • noise optimization over the whole range of operation
  • compact design
  • high power density
  • high reliability
  • long working life

Design characteristics

  • axial piston pump in swashplate design for high pressure open circuit systems
  • clockwise or counter clockwise rotation
  • self-priming at high nominal speed
  • tank pressurization or swash angle reduction for high speed applications
  • adaptive noise optimization SPU
  • decompression fluid is discharged via pump housing to keep suction side calm
  • exact and robust load sensing controllers with or without swash plate position feedback

Controller types

  • LP load sensing with pressure cut-off
  • H1L load sensing with hydraulic ΔpLS – override
  • E1L load sensing with electrical ΔpLS – override
  • LEP load sensing with electric stroke limiter and pressure cut-off
  • ETP electro-proportional with hyperbolic power-limiter and pressure cut-off
  • TL2 load sensing with hyperbolic power limiter

Technical Data

HPR-02 55 75 105 135 165 210 280 105D 125D 165D
Max. displacement cc/rev 55 75.9 105 135.7 165.6 210.1 281.9 210 250 331.2
Max. operating speed (without tank pressurization) rpm 2700 2500 2350 2300 2200 2100 2000 2450 2400 2100
Max. oil flow* l/min 148.5 189.8 246.8 312.1 364.3 441.2 563.8 514.5 600.0 695.5
Nominal pressure bar 420 420 420 420 420 420 420 420 380 420
Max. pressure** bar 500 500 500 500 500 500 500 500 420 500
Torque (Δp=420 bar) Nm 368 507 702 907 1107 1404 1884 1245 1245 1964
Corner power kW 104 132.8 172.7 218.5 255 308.8 394.7 319.4 337 431.8
Weight approx. (without oil) kg 39 39 50 65 89 116 165 96 113 177
* theoretical data of a single unit without efficiency effects
** highest transient pressure, that can temporarily occur
3D Model HPR-02-A2-055R-LP00000000-0-MS0S32-A00000-0000-R00-055-0-0-0-999-N
HPR-02-A2-055R-LP00000000-0-MS0S32-A00000-0000-R00-055-0-0-0-999-N
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Exploded View

Explosion
  • 1LS-regulator: optimum utilisation of power
  • 2swash plate: hydrostatic bearing
  • 3piston-slipper assembly: 21° swash angle
  • 4housing: one-piece design for high rigidity
  • 5valve plate housing: highly integrated
  • 6two control pistons: servo-controlled swash plate
  • 7power take-off: for mounting of additional pumps
  • 8cylinder barrel: compact due to 21° technology
  • 9suction channel: optimised suction capacity without tank pressurization
  • 10SPU: reduced pressure pulsation over the entire operating range
Linde Hydraulics GmbH & Co. KG
Wailandtstrasse 13
63741 Aschaffenburg
Germany
Phone.+49 6021 150 00 info@linde-hydraulics.com
VAT ID Number. DE285285810
Tax Number. 204/167/55001