Shaoyang Victor Hydraulic Co., Ltd.
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3600 RPM Rexroth Axial Piston Pump for Agriculture Machinery Hydraulics
Features:
1. Swashplate-type axial variable piston pump design.
2. Hydrostatic drive in closed circuit applications.
3. Flow proportional to drive speed and displacement.
4. Infinitely variable flow via swashplate angle adjustment.
5. Smooth flow reversal through neutral position crossover.
6. Dual pressure relief valves on high-pressure side.
7. Integrated boost pump for charge supply.
8. Built-in low pressure relief valve for boost limitation.
9. Standard pressure cut-off function.
10. Multi-functional control block integration.
Technical data:
| Size | NG | 56 | 71 | 90 | 125 | 180 | ||
| Geometric displacement, per revolution | variable pump | Vg max | cm3 | 56 | 71 | 90 | 125 | 180 |
| boost pump (at Δp = 20 bar) | Vg Sp | cm3 | 11.6 | 19.6 | 19.6 | 28.3 | 39.8 | |
| Rotational speed | maximum at Vg max | nnom | rpm | 3600 | 3300 | 3050 | 2850 | 2500 |
| limited maximum | nmax1 | rpm | 3900 | 3600 | 3300 | 3250 | 2900 | |
| intermittent maximum | nmax2 | rpm | 4500 | 4100 | 3800 | 3450 | 3000 | |
| minimum | nmin | rpm | 500 | 500 | 500 | 500 | 500 | |
| Flow | at nnom and Vg max | qv | l/min | 202 | 234 | 275 | 356 | 450 |
| Power at nnom, Vg max | Δp = 400 bar | P | kW | 134 | 156 | 183 | 238 | 300 |
| Torque with Vg max | Δp = 400 bar | M | Nm | 357 | 452 | 573 | 796 | 1146 |
| Δp = 100 bar | M | Nm | 89 | 113 | 143 | 199 | 286 | |
| Rotary stiffness of drive shaft | S | c | kNm/rad | 80.8 | 98.8 | 158.1 | 218.3 | 244.5 |
| T | c | kNm/rad | 95 | 120.9 | – | 252.1 | 318.4 | |
| A | c | kNm/rad | 95.8 | 142.4 | 176.8 | 256.5 | – | |
| Z | c | kNm/rad | 78.8 | 122.8 | 137 | 223.7 | 319.6 | |
| U | c | kNm/rad | – | – | 107.6 | – | – | |
| Moment of inertia of the rotary group | JTW | kgm2 | 0.0066 | 0.0097 | 0.0149 | 0.0232 | 0.0444 | |
| Maximum angular acceleration | α | rad/s² | 24000 | 21000 | 18000 | 14000 | 11000 | |
| Case volume | V | l | 1.5 | 1.3 | 1.5 | 2.1 | 3.1 | |
| Weight (without through drive) approx. | m | kg | 38 | 50 | 60 | 80 | 101 | |
Specifications:
| Warranty | 1 Year |
| Model | A4VG series |
| Place of Origin | China |
| Type | Harvesting machinery piston pump |
| Color | Available any color |
| Type | Hydraulic pump Rexroth |
| Application | Mining equipment |
| Feature | High Efficiency,Long Life |
| Delivery Time | 15-30 Days after Payment |
| Condition | Brand new |
Applications:
Competitive Advantage:
1. Featuring exceptional design and state-of-the-art engineering, the A4VG series delivers rapid system response, precise control, and outstanding energy efficiency, backed by robust safety features and advanced variable displacement technology, positioning it as a top-performing piston pump that meets the needs of modern industrial and mobile applications consistently every single day.
2. The advanced design of the A4VG series incorporates integrated temperature monitoring, digital interfaces, and remote diagnostics, delivering smart, efficient hydraulic control and real-time performance data as a reliable axial piston pump, enabling optimized maintenance, energy savings, and operational excellence across diverse industrial and mobile applications for unmatched performance today universally.
3. The advanced design of the A4VG series incorporates integrated temperature monitoring, digital interfaces, and remote diagnostics, delivering smart, efficient hydraulic control and real-time performance data as a reliable axial piston pump, enabling optimized maintenance, energy savings, and operational excellence across diverse industrial and mobile applications for unmatched performance today universally.
4. The advanced design of the A4VG series incorporates integrated temperature monitoring, digital interfaces, and remote diagnostics, delivering smart, efficient hydraulic control and real-time performance data as a reliable axial piston pump, enabling optimized maintenance, energy savings, and operational excellence across diverse industrial and mobile applications for unmatched performance today universally.
The Analysis For Rexroth A4VG Closed Circuit Piston Pump Common Breakdown :
1. In this hydraulic pump, deviations in manufacturing tolerances or assembly misalignments can cause internal leakage between chambers, resulting in reduced efficiency, unbalanced pressure distribution, and accelerated component wear, thereby requiring detailed quality inspections, precision reassembly, and adherence to strict tolerance standards to restore optimal performance and prevent recurring issues promptly.
2. In this piston pump, the presence of abrasive particles in the hydraulic fluid can cause accelerated wear on internal components such as valves, pistons, and seals, leading to decreased performance, leakage issues, and system failure, which necessitates effective filtration, regular fluid analysis, and timely component replacement to ensure reliability to ensure reliability.
3. In this axial piston pump system, a faulty electronic control unit or software malfunction can result in delayed response times, improper flow adjustments, and erratic system behavior, leading to reduced operational efficiency and increased wear, which necessitates prompt diagnostics, firmware updates, and possible hardware replacement to restore timely control immediately.