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- Feature
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Feature:
1).Variable double pump with two axial tapered piston rotary groups of bent-axis design for hydrostatic drives in open circuits.
2).The flflow is proportional to the input speed and to the displacement, and is infifinitely variable from qVmax to qVmin=0.
3).The pump is suitable for direct mounting on the flflywheel case in diesel engines.
4).One common suction port for auxiliary pump and both circuits.
5).A wide range of control instruments is available for difffferent control and regulating functions.
6).Individual power controller.
7).Integrated auxiliary pump with pressure-relief valve, optionally with additional pressure-reduction valve.
8).Power take-offff for mounting axial piston and gear pumps.
9).Excellent power to weight ratio.
10).Long service life.
| Size | 55 | 80 | 107 | 140 | 00 | |||
| Displacement | Vg max | cm³ | 2 × 54.8 | 2 × 80 | 2 × 107 | 2 × 140 | 2 × 200 | |
| Vg max | cm³ | 0 | 0 | 0 | 0 | 0 | ||
| Gear ratio i=nnput/Nrotary groups | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | |||
| Input speed | at Vg max¹) | Nmax 1 | rpm | 2500 | 2240 | 2150 | 2100 | 1950 |
| at Vg≤Vg max²) | Nmax | rpm | 3000 | 2750 | 2450 | 2450 | 2250 | |
| Flow | at nmaxand Vg max | qv max | L/min | 2x 137 | 2x 179 | 2 × 230 | 2 × 294 | 2 × 390 |
|
Powerat nmax Vgmax and d Dp=350 bar Pm |
Pmax | kW | 160 | 209 | 268 | 2943) | 3253) | |
|
Input speed at nmax Vgmax and d Dp=350 bar Pm |
Tmax | Nm | 611 | 891 | 891 | 891 | 891 | |
|
Rotary stiffness (single rotary group) Vg max to 0,5 ·Vg max |
CTW | Nm/rad | 11213 | 17985 | 25565 | 41408 | 39505 | |
| 0,5 `Vg maxto 0(interpolated) | CTW | Nm/rad | 41442 | 67666 | 89381 | 146677 | 156876 | |
|
Moment of inertia for rotary group with power take-off, without attachment pump |
JTw | kgm² | 0.0161 | 0.0209 | 0.0345 | 0.0581 | 0.0849 | |
| without power take-off(PTO) | JTw | kgm² | 0.0126 | 0.0173 | 0.0288 | 0.0500 | 0.0750 | |
| Angular acceleration (single rotary group) | a | rad/s2 | 25800 | 21800 | 17100 | 7500 | 11000 | |
| Mass approx. | m | kg | 82 | 90 | 116 | 146 | 180 | |
| Variation:with integrated auxiliary pump,F00,F..4) | ||||||||
| Displacement with integrated auxiliary pump | Vg max | cm³ | 8.6 | 8.6 | 8.6 (10.7)4) | 10.7 | 11 (19)4) | |
| Effective displacement | Vg max/eff | cm³ | 9.7 | 9.7 | 11(13.7) | 12.7 | 13.6(23.6) | |
| Gear ratio i=Nnput/Naux.pump | 0.887 | 0.887 | 0.780 | 0.843 | 0.804 | |||
| Variation:with power take-offs,K..,F.. | ||||||||
| Max.torque at PTO | Tmax | Nm | 250 | 350 | 380 | 450 | 650 | |
| Gear ratio i=nnput/npTO | 1.0 | 1.0 | 1.0 | 1.0 | 0.804 | |||
