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Heavy-Duty Hydraulic Axial Piston Pump with 400bar Max Pressure Iron Construction
Features:
1. Variable axial piston pump of swashplate design
2. Designed for open circuit hydraulic system
3. Optimized for mobile applications
4. Operates under self-priming conditions
5. Optional built-in charge pump (impeller)
6. Tank pressurization capability
7. Comprehensive range of control options
8. Externally adjustable power control during operation
9. 100% through drive for gear/axial piston pump combinations
10. Output flow proportional to drive speed, infinitely variable
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 | 12 months |
Transport Package | Standard Export Wooden Case |
Material | Cast Iron |
Type | Construction machinery piston pump |
Production Capacity | 1000-3000 pcs/month |
HS Code | 8413503190 |
Application | Mobile Crane,Hard Rock Roadheader,Rotary Drilling Rig,Crawler Crane |
Maximum speed | 2780rpm |
Delivery Time | 15-30 Days after Payment |
Displacement | A11V(L)O 95/115/130/145/165/190/260 |
Applications:
1. In compaction equipment applications, the Rexroth A11V(L)O series delivers robust hydraulic power with precise flow regulation, ensuring consistent performance even under prolonged heavy-duty operations. This piston pump is designed for optimal performance, offering reliable low-temperature starting and energy-saving features. It effectively enhances the safety and efficiency of rollers and vibratory compactors in demanding construction environments. With advanced self-priming and smart control systems, it ensures maximum durability and exceptionally superior operational efficiency.
2. In another compaction equipment scenario, the Rexroth A11V(L)O series provides exceptional performance with accurate flow regulation and reliable power output. This axial piston pump is built to withstand low temperatures and heavy loads, ensuring continuous, high-quality operation for compactors and rollers. Its smart monitoring and self-priming features reduce energy consumption and maintenance requirements, enhancing job site safety and operational efficiency, ensuring peak exceptional operational excellence.
3. In lifting equipment applications, the Rexroth A11V(L)O series delivers robust and stable hydraulic power, ensuring smooth operation of cranes and lifting devices. This hydraulic pump offers advanced flow control and self-priming capabilities, which are critical for heavy load handling and precise movement. Its reliable performance under variable load conditions enhances safety and efficiency on the job site, designed for tough operational demands, for optimality.
Competitive Advantage:
1. In high-altitude crane operations, the Rexroth A11V(L)O pump offers consistent and reliable hydraulic power through advanced flow control and intelligent regulation. This hydraulic pump is engineered to maintain precise output under heavy loads and frequent cycling, ensuring that cranes operate safely during heavy lifting and material handling tasks. Its compact design and self-priming functionality simplify installation and reduce energy consumption, with a smart monitoring system that continuously adjusts operating parameters, enhancing overall system efficiency and safety, making it a vital component in modern mobile crane systems.
2. In military vehicle applications, the Rexroth A11V(L)O pump delivers outstanding hydraulic performance with robust vibration resistance and reliable power output. This piston pump incorporates advanced self-priming technology and intelligent control systems to ensure continuous operation in extreme combat environments. Its compact design and high power density allow it to quickly adapt to dynamic load changes, enhancing vehicle maneuverability and safety, with a smart monitoring system that optimizes hydraulic output in real time, reducing maintenance needs and operational costs, making it a critical power unit in modern military vehicles.
3. In high-demand military vehicle applications, the Rexroth A11V(L)O pump provides stable and efficient hydraulic power with exceptional control capabilities. This hydraulic pump is designed to perform reliably under extreme temperatures and heavy vibrations, ensuring rapid response to diverse operational demands. Its compact design allows easy integration into various military platforms, reducing weight and energy consumption while enhancing safety. With a smart monitoring system offering real-time feedback, this piston pump automatically adjusts hydraulic output to maximize vehicle performance and mission effectiveness, making it an indispensable power unit in modern military vehicles.
The Analysis For Rexroth A11V(L)O Axial Piston Pump Common Breakdown:
1. The Rexroth A11V(L)O axial piston pump can suffer from hydraulic fluid contamination due to ingress of external dirt or water, which degrades lubrication and accelerates wear on internal components; regular fluid sampling, filtration maintenance, and adherence to proper operating procedures are essential to minimize contamination risks and ensure pump reliability.
2. The Rexroth A11V(L)O hydraulic pump may show inconsistent system pressure if the supply of hydraulic fluid fluctuates due to pump wear, leading to unstable operation and reduced performance; implementing pressure regulation, monitoring fluid supply, and addressing wear issues promptly are key to stabilizing system pressure and ensuring efficient pump function.
3. The Rexroth A11V(L)O axial piston pump can suffer from thermal degradation of its internal components when subjected to prolonged high load and inadequate cooling, which decreases efficiency and accelerates wear; proper load management, enhanced cooling measures, and regular maintenance are essential to mitigate thermal damage and sustain optimal pump performance.