A4VSO 125cc Cast-Iron Hydraulic Axial Piston Pump for Heavy
Construction 350bar
Features:
1. Multiple flange/shaft extension options.
2. Reduced hysteresis in swashplate control.
3. Multi-stage pressure adaptation.
4. Integrated safety valves for overload protection.
5. Flow compensation for temperature variations.
6. Low-loss pressure regulation.
7. Equipped with multiple interface provisions to support system
expansion and functional upgrades.
8. Optimized internal flow path design minimizes energy losses
during operation.
9. Utilizes wear-resistant materials to enhance long-term
operational reliability.
10. Incorporates precision sealing systems that reduce the risk of
hydraulic oil leakage.
Technical data:
| Size | | | 40 | 71 | 125 | 180 | 200 | 250 | 355 | 500 |
| Displacement | Vg max | mL/r | 40 | 71 | 125 | 180 | 200 | 250 | 355 | 500 |
| Max. Speed | Vg= Vg max | nnom | r/min | 2600 | 2200 | 1800 | 1800 | 1800 | 1500 | 1500 | 1320 |
| Vg≤Vg max | nmax | r/min | 3200 | 2700 | 2200 | 2100 | 2100 | 1800 | 1700 | 1600 |
| Flow | at nnom and Vg max | qv | L/min | 104 | 156 | 225 | 324 | 360 | 375 | 533 | 660 |
|
| n = 1500 r/min | | L/min | 60 | 107 | 186 | 270 | 420 | 375 | 533 | 581 |
Power
Δp=350 bar | n=nnom | P | kW | 61 | 91 | 131 | 189 | 245 | 219 | 311 | 385 |
|
| n = 1500 r/min | P | kW | 35 | 62 | 109 | 158 | 210 | 219 | 311 | 339 |
Torque
Vg= Vg max | Δp=350 bar | Mmax | Nm | 223 | 395 | 696 | 1002 | 1114 | 1391 | 1976 | 2783 |
|
| Δp=100 bar | M | Nm | 64 | 113 | 199 | 286 | 318 | 398 | 564 | 795 |
| Inertia moment of the driveshaft | JTW | kgm2 | 0.0049 | 0.0121 | 0.03 | 0.055 | 0.055 | 0.0959 | 0.19 | 0.3325 |
| Volume of case | V | L | 2 | 2.5 | 5 | 4 | 4 | 10 | 8 | 14 |
| Weight | m | kg | 39 | 53 | 88 | 102 | 102 | 184 | 207 | 320 |
| Permissibleload of the drive shaft | Max.axial force | ± Fax max | N | 600 | 800 | 1000 | 1400 | 1400 | 1800 | 2000 | 2000 |
| Max.radial force | Fq max | N | 1000 | 1200 | 1600 | 2000 | 2000 | 2000 | 2200 | 2500 |
Specifications:
| Warranty | 1 Year |
| Model | SY-A4VSO |
| Place of Origin | China |
| Type | Variable axial piston pump |
| Color | Available |
| Material | Cast iron |
| Application | Industrial Machine,Metallurgical Machine |
| Feature | High Quality |
| Delivery Time | 15 Days after Payment |
| MOQ | 1 Piece |
Applications:
1. In material handling and logistics equipment, the Rexroth A4VSO
variable pump serves as a reliable hydraulic pump that ensures
precise fluid power delivery for smooth operation of cranes,
forklifts, and conveyor systems. Its variable displacement
technology and efficient swashplate design guarantee consistent
high-pressure performance and low noise, optimizing load handling
and transport efficiency. The pump’s modular design and integrated
diagnostics facilitate quick maintenance, thereby enhancing overall
operational safety, productivity, and energy efficiency in busy
logistics environments for unmatched operational excellence.
2. In material handling and logistics equipment, the Rexroth A4VSO
variable pump functions as a high-performance piston pump that
delivers precise hydraulic power and efficient flow control for
heavy lifting and automated transport systems. Its advanced
variable displacement and low pulsation design ensure consistent
performance and energy savings even under varying load conditions.
The pump’s robust modular architecture and integrated diagnostics
enable seamless system integration and rapid maintenance,
ultimately boosting operational efficiency, safety, and
productivity in demanding logistics applications for excellence.
3. In printing machinery, the Rexroth A4VSO variable pump functions
as a precise axial piston pump that delivers stable hydraulic power
essential for high-speed printing and paper handling processes. Its
variable displacement and low pulsation design provide consistent
pressure control and smooth fluid flow, ensuring excellent print
quality and operational reliability. The pump’s modular design and
integrated diagnostics support quick adjustments and maintenance,
thereby optimizing performance and productivity in demanding
printing applications with reduced energy consumption for truly
unmatched operational efficiency.
4. In printing machinery, the Rexroth A4VSO variable pump operates
as a dependable hydraulic pump that delivers consistent
high-pressure flow and precise control for efficient paper feeding
and ink distribution. Its innovative variable displacement and
low-noise operation minimize pulsation and energy waste, ensuring
superior print consistency and quality. The pump’s modular design
and integrated monitoring facilitate seamless maintenance and quick
adjustments, ultimately enhancing system uptime and productivity in
modern printing applications with exceptional energy efficiency for
truly unparalleled print production performance.
Competitive Advantage:
1. Utilizing state-of-the-art design and innovative control
technology, the Rexroth A4VSO variable pump delivers unmatched
performance as a hydraulic pump by providing rapid flow
adjustments, precise pressure regulation, and low noise operation,
making it an indispensable solution for heavy industrial machinery
and automated production lines worldwide for consistently superior
global performance.
2. Combining high-pressure stability with precise swashplate
control, the Rexroth A4VSO variable pump excels as an efficient
axial piston pump by delivering consistent volumetric performance,
reduced energy consumption, and extended service life, making it
the top competitive solution for construction, mining, marine, and
automated manufacturing applications worldwide for unmatched
overall performance.
3. The A4VSO axial piston pump delivers high energy conversion
efficiency and precise swashplate control, ensuring outstanding
performance in heavy-duty machinery applications.
4. With its modular construction and compact structure, the A4VSO
piston pump offers excellent integration flexibility and ease of
maintenance across diverse systems.
The Analysis For Rexroth A4VSO Piston Pump Common Breakdown:
1. A fault sometimes seen in the Rexroth A4VSO variable pump is
erratic electrical signals affecting control modules, which can
lead to improper adjustments and system malfunctions. This
hydraulic pump issue requires thorough electrical diagnostics,
connector cleaning, and potential module replacement to ensure that
control signals are accurate and stable properly.
2. A fault in the Rexroth A4VSO variable pump can manifest as a
delay in response when rapid load changes occur, often due to
mechanical lag or insufficient control feedback. This axial piston
pump deficiency necessitates detailed analysis of the control
system and mechanical components to improve dynamic responsiveness
immediately required.
3. A fault occasionally identified in the Rexroth A4VSO variable
pump is the development of abnormal internal noise, which may
indicate wear in bearings or misaligned components. This axial
piston pump fault requires comprehensive noise analysis, mechanical
inspection, and corrective adjustments to address the root cause
and restore quiet operation completely.
