Shaoyang Victor Hydraulic Co., Ltd.
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A11V(L)O190 Cast Iron Rexroth Piston Pump for Mobile Machinery 350bar Pressure
Features:
1. Swashplate variable design for hydrostatic drives in open-circuit systems.
2. Optimized design for mobile machinery applications.
3. Self-priming capability (with pressurized tank).
4. Optional integrated impeller-type charge pump for enhanced suction.
5. Over 20 control combinations (Pressure/Flow/Power controls).
6. Externally adjustable power control during operation.
7. 100% through-drive capability for auxiliary gear/piston pumps.
8. Linear flow-speed proportionality.
9. Infinitely variable flow from 0 to qvmax.
10. Compact modular design.
Technical data:
| Size | NG | 40 | 60 | 75 | 95 | 130 | 145 | 190 | 260 | ||
| Geometric displacement, per revolution | Vg max | cm3 | 42 | 58.5 | 74 | 93.5 | 130 | 145 | 193 | 260 | |
| Vg min | cm3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Maximum rotational speed | at Vg max | nnom | rpm | 3000 | 2700 | 2550 | 2350 | 2100 | 2200 | 2100 | 2000 |
| at Vg ≤ Vg max | nmax | rpm | 3500 | 3250 | 3000 | 2780 | 2500 | 2500 | 2100 | 2300 | |
| Flow | at nnom and Vg max | qv | l/min | 126 | 158 | 189 | 220 | 273 | 319 | 405 | 468 |
| Power | at nnom, Vg max and Δp = 350 bar | P | kW | 74 | 92 | 110 | 128 | 159 | 186 | 236 | 273 |
| Torque | at Vg max and Δp = 350 bar | M | Nm | 234 | 326 | 412 | 521 | 724 | 808 | 1075 | 1448 |
| Rotary stiffness drive shaft | Z | c | kNm/rad | 88.9 | 102.4 | 145.8 | 199.6 | 302.5 | 302.5 | 346.2 | 686.5 |
| P | c | kNm/rad | 87.5 | 107.9 | 143.1 | 196.4 | 312.4 | 312.4 | 383.2 | 653.8 | |
| S | c | kNm/rad | 58.3 | 86.3 | 101.9 | 173.7 | 236.9 | 236.9 | 259.8 | 352 | |
| T | c | kNm/rad | 74.5 | 102.4 | 125.6 | 148.3 | ‒ | ‒ | 301.9 | 567.1 | |
| Moment of inertia of the rotary group | JTW | kgm2 | 0.0048 | 0.0082 | 0.0115 | 0.0173 | 0.0318 | 0.0341 | 0.055 | 0.0878 | |
| Maximum angular acceleration | α | rad/s² | 22000 | 17500 | 15000 | 13000 | 10500 | 9000 | 6800 | 4800 | |
| Case volume | V | L | 1.1 | 1.35 | 1.85 | 2.1 | 2.9 | 2.9 | 3.8 | 4.6 | |
| Weight (without through-drive) approx. | m | kg | 32 | 40 | 45 | 53 | 66 | 67 | 95 | 125 | |
With charge pump (A11VLO)
| Size | NG | 130 | 145 | 190 | 260 | ||
| Geometric displacement, per revolution | Vg max | cm3 | 130 | 145 | 193 | 260 | |
| Vg min | cm3 | 0 | 0 | 0 | 0 | ||
| Maximum rotational speed | at Vg max | nnom | rpm | 2500 | 2500 | 2500 | 2300 |
| at Vg ≤ Vg max | nmax | rpm | 2500 | 2500 | 2500 | 2300 | |
| Flow | at nnom and Vg max | qv | l/min | 325 | 363 | 483 | 598 |
| Power | at nnom, Vg max and Δp = 350 bar | P | kW | 190 | 211 | 281 | 349 |
| Torque | at Vg max and Δp = 350 bar | M | Nm | 724 | 808 | 1075 | 1448 |
| Rotary stiffness drive shaft | Z | c | kNm/rad | 302.5 | 302.5 | 346.2 | 686.5 |
| P | c | kNm/rad | 312.4 | 312.4 | 383.3 | 653.8 | |
| S | c | kNm/rad | 236.9 | 236.9 | 259.8 | 352 | |
| T | c | kNm/rad | ‒ | ‒ | 301.9 | 567.1 | |
| Moment of inertia of the rotary group | JTW | kgm2 | 0.0337 | 0.036 | 0.0577 | 0.0895 | |
| Maximum angular acceleration | α | rad/s² | 10500 | 9000 | 6800 | 4800 | |
| Case volume | V | L | 2.9 | 2.9 | 3.8 | 4.6 | |
| Weight (without through-drive) approx. | m | kg | 72 | 73 | 104 | 138 | |
Specifications:
| Warranty | 1 Year |
| Specification | SY-A11V(L)O |
| Place of Origin | China |
| Type | Rexroth axial piston pump |
| Color | Available any color |
| HS Code | 8413503190 |
| Application | Construction machinery,Mobile Machinery |
| Constant pressure | 350 bar |
| Maximum torque | 1448 Nm |
| Displacement | 60-260cc |
Applications:
1. In concrete pump trucks, the advanced A11V(L)O series pump plays a critical role in ensuring smooth and consistent concrete delivery. Its high-performance design and precise flow regulation, using an axial piston pump, optimize hydraulic efficiency even under heavy load conditions. The pump’s reliable self-priming capabilities and continuous pressure control make it ideal for large-scale construction projects. This durable hydraulic pump meets demanding industry standards and is a proven solution for improving productivity and safety in concrete pumping operations. It is highly reliable.
2. In the operation of concrete pump trucks, the A11V(L)O series pump delivers unmatched performance by providing reliable self-priming and consistent flow control using a hydraulic pump. Its advanced design optimizes hydraulic performance and ensures stable concrete delivery even under extreme working conditions. The pump’s robust construction and precise pressure regulation significantly reduce wear and tear, improving overall productivity and safety. This cutting-edge hydraulic pump is an essential component in modern construction, offering long-lasting durability and efficiency for demanding projects.
3. In loader machinery, the advanced A11V(L)O series pump is engineered to deliver precise and consistent hydraulic performance using a piston pump. Its innovative design ensures rapid response to operational commands and smooth flow regulation during heavy-duty tasks. The pump effectively maintains constant pressure even during abrupt load variations, significantly enhancing machine efficiency and operational safety. This durable piston pump is a vital component in modern loaders, optimizing productivity, reducing maintenance costs, and ensuring long-term reliability in challenging working environments. It is indeed.
Competitive Advantage:
1. Rexroth A11V(L)O delivers exceptional durability, precise flow control, and highly efficient energy conversion that ensures stable performance in harsh operating conditions while reducing maintenance costs significantly; this innovative hydraulic pump is designed to optimize energy savings, enhance operational reliability, and deliver outstanding results in various industrial applications, making it a leading choice for modern engineering solutions, ensuring global industry leadership.
2. Rexroth A11V(L)O is engineered with high efficiency and precise control technology that minimizes energy consumption while maximizing operational performance in diverse industrial applications; this state-of-the-art axial piston pump delivers remarkable power efficiency, ensuring significant cost savings and superior productivity, thereby establishing itself as a trusted solution in the competitive global market, driving industrial innovation with unparalleled operational performance and efficiency.
3. Rexroth A11V(L)O offers versatile control options and flexible adjustment features that adapt seamlessly to diverse operational requirements and application scenarios; this advanced piston pump responds rapidly to external commands, enabling precise regulation of flow and pressure, thereby boosting system efficiency, reducing energy consumption, and ensuring reliable, stable performance even under fluctuating environmental conditions, solidifying market competitiveness for exceptional results globally.
The Analysis For Rexroth A11V(L)O Axial Piston Pump Common Breakdown:
1. The Rexroth A11V(L)O axial piston pump experiences internal leakage from worn seals and contaminants, causing reduced hydraulic efficiency and intermittent pressure loss during operation, which may lead to increased maintenance requirements and downtime if not addressed promptly by conducting regular inspections and replacing damaged components as per strict manufacturer guidelines.
2. The Rexroth A11V(L)O hydraulic pump may overheat due to prolonged operation under high ambient temperatures and insufficient cooling, resulting in thermal degradation of internal components and reduced performance; regular maintenance, proper cooling system checks, and adherence to operational guidelines are essential to prevent overheating and ensure continuous, reliable performance effectively.
3. The Rexroth A11V(L)O axial piston pump can exhibit low flow output if the control mechanism is improperly adjusted or experiences wear, leading to inefficient system performance; careful calibration, routine inspection of control components, and timely replacement of worn parts are necessary to restore optimal flow rates and maintain system reliability.