HPR-02
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
Dane techniczne
| HPR-02 | 55 | 75 | 95 | 105 | 135 | 165 | 210 | 280 | 105D | 125D | 165D | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max. displacement | cc/rev | 55 | 75.9 | 95 | 105 | 135.7 | 165.6 | 210.1 | 281.9 | 210 | 250 | 331.2 |
| Max. operating speed (without tank pressurization) | rpm | 2700 | 2500 | 2500 | 2350 | 2300 | 2200 | 2100 | 2000 | 2450 | 2400 | 2100 |
| Max. oil flow* | l/min | 148.5 | 189.8 | 237.5 | 246.8 | 312.1 | 364.3 | 441.2 | 563.8 | 514.5 | 600.0 | 695.5 |
| Nominal pressure | bar | 420 | 420 | 350 | 420 | 420 | 420 | 420 | 420 | 420 | 350 | 420 |
| Max. pressure** | bar | 500 | 500 | 420 | 500 | 500 | 500 | 500 | 500 | 500 | 420 | 500 |
| Torque (Δp=420 bar) | Nm | 368 | 507 | 529 | 702 | 907 | 1107 | 1404 | 1884 | 1245 | 1245 | 1964 |
| Corner power | kW | 104 | 132.8 | 138 | 172.7 | 218.5 | 255 | 308.8 | 394.7 | 319.4 | 337 | 431.8 |
| Weight approx. (without oil) | kg | 39 | 39 | 44.5 | 50 | 65 | 89 | 116 | 165 | 96 | 113 | 177 |
| * theoretical data of a single unit without efficiency effects ** highest transient pressure, that can temporarily occur |
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Modele 3D
Exploded view
- 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
Pobierz pliki (only English)
DATASHEETS
HPR-02. Self-regulating pump for open loop operation.
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