Shaoyang Victor Hydraulic Co., Ltd.
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Durable Steel Rotor Variable Axial Piston Pump 96% Volumetric Efficiency
Features:
1. High volumetric efficiency design helps reduce energy consumption.
2. Compact construction saves installation space and facilitates system integration.
3. Superior mechanical sealing technology ensures leak-free operation.
4. High dynamic response performance accommodates rapid and transient load changes.
5. Constructed with high-strength materials to enhance durability and service life.
6. Contamination-resistant fluid compatibility.
7. SAE standard flange mounting.
8. Wide viscosity range adaptability.
9. Temperature-compensated volumetric efficiency.
10. Reinforced cast steel housing construction.
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 | SY-A4VG |
| Place of Origin | China |
| Type | Costruction machinery piston pump |
| Color | Available any color |
| HS Code | 8413503190 |
| Application | excavator, road rollers, pavers |
| Feature | High Quality |
| Delivery Time | 15-30 Days after Payment |
| MOQ | 1 Piece |
Applications:
Competitive Advantage:
1. Designed for versatility and adaptability, the A4VG series integrates innovative control systems and precision manufacturing to deliver smooth operation, reliable energy conversion, and excellent load management, establishing it as an indispensable axial piston pump that meets diverse industrial, mobile, and automated applications with exceptional performance and durability every single day.
2. The A4VG series is engineered to provide seamless integration with digital interfaces and remote diagnostics, offering real-time monitoring and advanced control algorithms that optimize system performance and reduce downtime, making it a versatile piston pump for modern industrial and mobile applications requiring smart hydraulic solutions, ensuring efficiency every single day.
3. The A4VG series stands out with its innovative design and robust construction, delivering precise control, rapid response, and consistent energy efficiency, while integrated safety features protect against overloads, making it a top-performing axial piston pump that excels in both industrial automation and demanding mobile applications every single day for excellence.
4. Engineered with cutting-edge technology and precise engineering, the A4VG series offers seamless variable flow adjustment, integrated safety features, and exceptional energy management, ensuring reliable operation and reduced maintenance costs as a highly efficient axial piston pump, making it the preferred choice for demanding industrial and mobile applications worldwide every day.
The Analysis For Rexroth A4VG Closed Circuit Piston Pump Common Breakdown :
1. In this hydraulic pump system, misalignment of the swashplate or improper adjustment in the control circuitry can result in erratic flow direction changes and compromised efficiency, leading to increased wear, potential overheating, and overall performance degradation, which necessitates precise calibration and regular inspection for sustained reliable operation, ensuring continuous productivity.
2. In this hydraulic pump, inadequate thermal management or cooling system malfunction can cause excessive overheating during prolonged operation, leading to deterioration of hydraulic fluid properties, accelerated wear of components, and potential system shutdown, thereby necessitating improved heat dissipation, regular temperature monitoring, and prompt maintenance to prevent critical failures for reliability.
3. In this axial piston pump configuration, a malfunction in the integrated boost pump can result in inadequate feed pressure and compromised control pressure supply, leading to unstable system operation, reduced performance, and damage to the hydraulic circuit which mandates immediate diagnosis, repair, and replacement of faulty components to restore functionality.