Variable Displacement Piston pump A4VSO for Ceramic Machine
Highlights and Innovations
1.Variable pump with axial piston rotary group of swashplate design for hydrostatic drives in open circuit
2.Flow is proportional to the drive speed and displacement.
3.The flow can be infinitely varied by adjusting the swashplate angle.
4.Excellent suction performance
5. Low noise level
6.Long service life
7.Modular design
8. Variable through drive options
9.Visual swivel angle indicator
10.Freely variable installation position
11.Suitable for variable-speed drives
12.HF mode for reduced data possible for HFC mode, special version available
- Feature
- Model code
- Related Products
Feature:
1.Variable pump with axial piston rotary group of swashplate design for hydrostatic drives in open circuit
2.Flow is proportional to the drive speed and displacement.
3.The flow can be infinitely varied by adjusting the swashplate angle.
4.Excellent suction performance
5. Low noise level
6.Long service life
7.Modular design
8. Variable through drive options
9.Visual swivel angle indicator
10.Freely variable installation position
11.Suitable for variable-speed drives
12.HF mode for reduced data possible for HFC mode, special version available
| Product | A4VSO |
| Application |
1.Press Machine; 2.Cramic Machinery; 3.Metallurgical Equipment; 4.Marine; 5.Industrial Machinery |
| Displacement/Size | 40,71,125,180,250,355,500,1000cm³/rev |
| Control types | DR, DRG,DFR, DFR1,DFLREP |
| Max pressure | 420 Bars |
| Max Speed | 2600rpm |
| Max Flow | 1125L |
| Material | Cast Iron |
| Guarantee Period | 1 Year |
| Customization or not | Yes |


| Technical data | |||||||||||||||||||||
| Standard rotary group version | |||||||||||||||||||||
| Size | NG | 40 | 71 | 125 | 180 | 250 | 355 | 500 | 750 | 7505) | 1000 | ||||||||||
| Geometric displacement | Vgmax cm³ | 40 | 71 | 125 | 180 | 250 | 355 | 500 | 750 | 750 | 1000 | ||||||||||
| per revolution | |||||||||||||||||||||
| Rotational speed | at Vgmax²) | Nnom | rpm | 2600 | 2200 | 1800 | 1800 | 1500 | 1500 | 1320 | 1200 | 1500 | 1000 | ||||||||
| maximum 1) | at Vg≤Vgmax³) | nmax | rpm | 3200 | 2700 | 2200 | 2100 | 1800 | 1700 | 1600 | 1500 | 1500 | 1200 | ||||||||
| Flow | at nnom and Vgmax | qv | I/min | 104 | 156 | 225 | 324 | 375 | 533 | 660 | 900 | 1125 | 1000 | ||||||||
| at 1500 rpm | qv | I/min | 60 | 107 | 186 | 270 | 375 | 533 | 5816) | 7706) | 1125 | 一 | |||||||||
| Power | at nnom,Vg maxand △p=350 bar | P | kW | 61 | 91 | 131 | 189 | 219 | 311 | 385 | 525 | 656 | 583 | ||||||||
| at 1500 rpm | P | kW | 35 | 62 | 109 | 158 | 219 | 311 | 3396) | 4496) | 656 | 一 | |||||||||
| Torque | at Vgmaxand △p=350 bar²) | Mmax | Nm | 223 | 395 | 696 | 1002 | 1391 | 1976 | 2783 | 4174 | 4174 | 5565 | ||||||||
| and △p=100 bar²) | M | Nm | 64 | 113 | 199 | 286 | 398 | 564 | 795 | 1193 | 1193 | 1590 | |||||||||
| Rotary stiffness of | Shaft end P | C | kNm/rad | 80 | 146 | 260 | 328 | 527 | 800 | 1145 | 1860 | 1860 | 2730 | ||||||||
| drive shaft | Shaft end Z | C | kNm/rad | 77 | 146 | 263 | 332 | 543 | 770 | 1136 | 1812 | 1812 | 2845 | ||||||||
| Moment of inertia | JTw | kgm² | 0.0049 | 0.0121 | 0.03 | 0.055 | 0.0959 | 0.19 | 0.3325 | 0.66 | 0.66 | 1.20 | |||||||||
| Maximum angular acceleration⁴) | α | rad/s² | 17000 | 11000 | 8000 | 6800 | 4800 | 3600 | 2800 | 2000 | 2000 | 1450 | |||||||||
| Case volume | V | 2 | 2.5 | 5 | 4 | 10 | 8 | 14 | 19 | 22 | 27 | ||||||||||
| Weight (without through drive)approx. | m | kg | 39 | 53 | 88 | 102 | 184 | 207 | 320 | 460 | 490 | 605 | |||||||||
| High-speed rotary group version | |||||||||||||||||||||
| Size | NG | 71 | 250 | 355 | 500 | ||||||||||||||||
| Displacement,geometric,per revolu- | Vgmax cm³ | 71 | 250 | 355 | 500 | ||||||||||||||||
| tion | |||||||||||||||||||||
| Rotational speed | at Vgmax | nnom | rpm | 30002)7)8) | 1900²) | 1700²) | 1500²) | ||||||||||||||
| maximum¹) | at Vg≤Vg max | nmax | rpm | - | 2100³) | 1900³) | 1800³) | ||||||||||||||
| Flow | at nnom and Vgmax | qv | I/min | 2137)8) | 475 | 604 | 750 | ||||||||||||||
| Power |
at nnom,Vg max and △p =350 bar |
P | kW | 124 | 277 | 352 | 437 | ||||||||||||||
| Torque |
at Vgmax and △p=350 bar |
Mmax | Nm | 395 | 13912) | 1976²) | 27832) | ||||||||||||||
| Rotary stiffness of | Shaft end P | C | kNm/rad | 146 | 527 | 800 | 1145 | ||||||||||||||
| drive shaft | Shaft end Z | C | kNm/rad | 146 | 543 | 770 | 1136 | ||||||||||||||
| Moment of inertia | JTw | kgm² | 0.0121 | 0.0959 | 0.19 | 0.3325 | |||||||||||||||
| Maximum angular acceleration⁴) | α | rad/s² | 11000 | 4800 | 3600 | 2800 | |||||||||||||||
| Case volume | V | I | 2.5 | 10 | 8 | 14 | |||||||||||||||
| Weight (without through drive)approx. | m | kg | 53 | 184 | 207 | 320 | |||||||||||||||


