EN
Variable Displacement Piston pump A7V
Highlights and Innovations
1. variable displacement axial piston design
2. exceptionally high power density
3. overall efficiency, leading to significant energy savings
4. Their robust construction ensures reliable operation
- Feature
- Model code
- Related Products
Feature:
1).High performance rotay group with well - proven spherical control area offering the following advantages.
2).Self- centering,low periph - oral speed, high effclency.
3).Long service life robust rolling bearing.
4).Drive shaft will support radial loads
5).Low noise level
6).High duty roller bearing for Inter-mittent high pressure operation. For continuous duty hydrostatic bearing are available.
| Product | A7V |
| Application |
1.large mining excavators 2.drilling rigs 3. plastic injection molding machines 4.high-power test 5.simulation benches6.marine deck machinery |
| Displacement/Size | 20, 28, 45, 56, 63, 80, 100, 112, 125, 140, 160, 180, 200, 250, 280, 355, 400, 500, 560, 630, 750, and 1000ml/rev |
| Control types | pressure compensator, load sensing, hydraulic displacement control, electrical proportional control, and constant power control. |
| Max pressure | 400Bars |
| Max Speed | 2400rpm |
| Max Flow | 1800L |
| Material | Cast Iron |
| Guarantee Period | 1 Year |
| Customization or not | / |
| Displacement | Vgmax m | l/r 20.5 | 28.1 | 40.1 | 54.8 | 58.8 | 80 | 78 | 107 | 117 | 160 | 250 | 355 | 500 | ||
| Vgmax | ml/r | 0 | 8.1 | 0 | 15.8 | 0 | 23.1 | 0 | 30.8 | 0 | 46.2 | 0 | 0 | 0 | ||
| 0.09MPa¹ | nmax0.09 | r/min | 3800 | 2800 | 3200 | 2360 | 2850 | 2120 | 2540 | 1900 | 2240 | 1650 | 1400 | 1250 | 1120 | |
| Max.speed³ | 0.1MPa¹ | nmax0.1 | r/min | 4100 | 3000 | 3400 | 2500 | 3000 | 2240 | 2700 | 2000 | 2360 | 1750 | 1500 | 1320 | 1200 |
| 0.15MPa¹ | nmax0.15 | r/min | 4750 | 3600 | 3750 | 3000 | 3350 | 2750 | 3000 | 2450 | 2650 | 2100 | 1850 | 1650 | 1500 | |
| Nmax0.09 | Qmax0.09 | L/min | 76 | 76 | 124 | 125 | 161 | 164 | 192 | 197 | 254 | 256 | 340 | 430 | 543 | |
| Max.flow² | Nmax0.1 | Qmax0.1 | L/min | 82 | 82 | 132 | 133 | 170 | 174 | 204 | 208 | 267 | 271 | 364 | 455 | 582 |
| Nmax0.15 | Qmax0.15 | L/min | 94 | 98 | 146 | 160 | 190 | 213 | 227 | 254 | 300 | 326 | 449 | 568 | 728 | |
| Qmax0.09 | Pmax0.09 | KW | 45 | 46 | 75 | 75 | 97 | 99 | 116 | 119 | 153 | 154 | 204 | 259 | 326 | |
| Max.Power | Qmax0.1 | Pmax0.1 | KW | 49 | 49 | 80 | 80 | 102 | 105 | 123 | 125 | 161 | 163 | 218 | 273 | 350 |
| (△,=35MPa) | Qmax0.15 | Pmax0.15 | KW | 57 | 59 | 88 | 96 | 114 | 128 | 136 | 153 | 181 | 196 | 270 | 342 | 437 |
| Flow Q² | NE=1450r/min | L/min | 28.8 | 39.5 | 56.4 | 77.1 | 82.3 | 112.5 | 109.7 | 150.5 | 164.6 | 225 | - | |||
| Power | ||||||||||||||||
| P(△.=35MPa)NE=1450r/min | KW | 17 | 24 | 34 | 46 | 50 | 68 | 66 | 91 | 99 | 135 | |||||
| Torque | Vgmax | Nm/10MPa | 32.6 | 44.6 | 63.7 | 87 | 93.2 | 127.5 | 124 | 169.7 | 186 | 254 | 397.5 | 564.5 | 795 | |
| M(△p=10MPa)Vgmin | Nm/10MPa | - | 12.9 | 25.1 | 36.8 | - | 49 | 73.5 | - | |||||||
| P(△p=35MPa)Vgmax | Nm | 114 | 156 | 223 | 305 | 326 | 446 | 431 | 594 | 651 | 88.9 | 1391 | 1975 | 2782 | ||
| Max.torque | Vgmin | Nm | 45 | 88 | 129 | - | 171 | 257 | ||||||||
| Moment | kgm² | 0.0017 | 0.0017 | 0.00520.0052 | 0.01090.0109 | 0.01670.0167 | 0.0322 | 0.032 | 20.088 | 0.160 | 00.270 | |||||
| Weight | kg | 19 | 19 | 28 | 28 | 44 | 44 | 53 | 53 | 76 | 76 | 105 | 165 | 245 | ||
