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Sauer PV pump
Hydraulic Sauer-Sundstrand axial piston pump PV20, PV21, PV22, PV23, PV24, PV25, PV26, PV27Description |
Features of Sauer PV pump
The full-length shaft with a high efficient tapered roller bearing arrangement offers a high loading capacity for external radial forces. Additional pumps can be built on. The hydro-mechanical servo displacement control maintains the selected swash plate position and hence pump displacement.Table of values (theoretical values, without efficiency and tolerances; values rounded)
Size | Dimension | Sauer-Sundstrand PV pump | |||||||
PV20 | PV21 | PV22 | PV23 | PV24 | PV25 | PV26 | PV27 | ||
Max. displacement | cm3 | 33,3 | 51,6 | 69,8 | 89,0 | 118,7 | 165,8 | 227,3 | 333,7 |
Max. flow | dm3min-1 | 119,5 | 159,9 | 196,1 | 230,5 | 278,9 | 348,1 | 429,59 | 557,2 |
4 | 6 | 4 | 1 | 4 | 8 | 8 | |||
Charge pump | cm3 | 12,3 | 12,3 | 18,03 | 18,03 | 18,8 | 32,8 | 32,8 | 65,5 |
Max. pressure | MPa | 35 | |||||||
Nominal pressure | MPa | 21 | |||||||
Max. pressure of control | MPa | 3,5 | |||||||
Charge pressure | MPa | 0,8 - 2,0 | |||||||
Max. pressure in case | MPa | 0,25 continuous 0,5 intermittent | |||||||
Maximum speed + | min-1 | 3590 | 3100 | 2810 | 2590 | 2350 | 2100 | 1890 | 1670 |
Minimum speed | min-1 | 500 | |||||||
Nominal speed | min-1 | 1500 | |||||||
Kinematic viscosity range of working fluid - starting - operating - optimum |
|
1000 12 - 600 25 - 35 |
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mm2s-1 | |||||||||
Kind of working fluid | mineral oil | ||||||||
Operating temperature | oC | - 40 to + 50 | |||||||
Max. temperature of working fluid in tank | oC | 80 | |||||||
Purity of working fluid | µm | 10 | |||||||
Direction of shaft rotation | clockwise or counter clockwise | ||||||||
Maximum swash plate angle | o | ± 18 o | |||||||
Weight | kg | 45 | 55 | 63 | 78 | 124 | 164 | 212 | 270 |