Rexroth Axial Piston Pump Thermal-Resistant Design Power Plants 600
L/Min Flow
Features:
1. Optional feedback displacement sensor.
2. Suitable for variable-speed drives, enhancing system efficiency.
3. Rapid oil cut‑off emergency shutdown function.
4. High power-to-weight ratio offers higher performance density.
5. Wear‑resistant coated piston surfaces.
6. Suitable for hydraulic oil media, ensuring compatibility and
performance.
7. Optimized lubrication oil channels.
8. Adjustable swashplate angle allows flexible flow regulation.
9. High‑pressure integrated fittings (SAE/G standard).
10. Specifications range from 40 to 1000, meeting various
requirements.
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 | Hydraulic axial piston pump |
Color | Available any color |
HS Code | 8413503190 |
Application | Mining Machinery |
Feature | High Quality |
Delivery Time | 15 Days after Payment |
MOQ | 1 Piece |
Applications:
1. In paper coating machine nip roller systems, the A4VSO piston
pump provides adjustable pressure to coating rollers, ensuring
uniform application layer thickness. Its rapid-response performance
allows real‑time flow adjustments at high line speeds, maintaining
consistent coating distribution. The pump’s high volumetric
efficiency reduces energy usage, aiding mills in achieving
sustainability goals without compromising product quality.
Integrating this piston pump into advanced coating lines supports
precise control over coating weight and moisture content,
ultimately improving paperboard printability and finish for
high-end packaging applications.
2. In CNC woodworking centers, the A4VSO axial piston pump powers
both the spindle drive and clamping circuits with consistent
hydraulic pressure. Its load‑sensing adjustment automatically
optimizes flow when machining hardwoods versus softwoods,
maintaining constant tool clamping force and improving cut accuracy
and surface finish. The pump’s low acoustic signature enhances
shop-floor working conditions, reducing noise exposure for
operators. This hydraulic pump’s precise flow control facilitates
high-speed routing, laminating, and edge‑banding operations, making
it indispensable in modern wood furniture and cabinet manufacturing
facilities.
3. In fully automated wood forming presses, the A4VSO piston pump
regulates die opening, closing, and hold‑down operations. Its
electro‑hydraulic proportional interface enables fine-tuning of
pressure profiles for materials of varying density, reducing risks
of splitting and warpage. With high mechanical efficiency, the
axial piston pump minimizes energy losses, boosting overall system
throughput and part quality yield. Implementing this hydraulic pump
in engineered wood panel production ensures reliable, repeatable
press cycles, delivering consistent panel thickness and bonding
strength for high-performance building materials.
Competitive Advantage:
1. Compliant with ISO 3019/2 flange standards and compatible with a
variety of SAE/G pressure fitting specifications, the A4VSO
hydraulic pump simplifies global supply chain management and field
serviceability; end users and aftermarket providers benefit from
readily available spares and streamlined installation procedures,
reducing downtime during maintenance or retrofit operations,
particularly in industries with widely dispersed operations such as
offshore energy, railway maintenance, and large infrastructure
projects.
2. Employing low‑noise gear chamber separation and advanced
vibration damping techniques, the A4VSO axial piston pump operates
at noise levels below 75 dB, significantly improving operator
comfort in enclosed cabins and reducing environmental noise
pollution; compliance with stringent acoustic emission regulations
makes this hydraulic pump well suited for urban construction
equipment, indoor industrial presses, and municipal service
vehicles where low sound output is mandated by local ordinances and
contributes to better workplace health and safety.
3. The A4VSO piston pump’s broad fluid compatibility—supporting
hydraulic oils from ISO VG 32 to 680 viscosity grades—eliminates
the need for specialized lubricants, enabling operators to
standardize on-site maintenance and spare parts inventory; this
versatility reduces logistics complexity and prevents downtime
caused by oil misapplication, proving especially advantageous in
remote mining camps, shipboard hydraulic systems, and multinational
plant operations where oil supply conditions vary.
The Analysis For Rexroth A4VSO Piston Pump Common Breakdown:
1. Control wiring connector failure causing loss of control: If the
electro‑hydraulic control harness lacks proper locking connectors
or anti‑vibration retention, connections may loosen under vibratory
conditions, causing valve blocks to lose input signals and
resulting in unintended motions or shutdowns. Utilizing
industrial‑grade, locking electrical connectors and incorporating
strain‑relief loops during cable routing ensures signal integrity
and reliable operation of the axial piston pump’s control
interface.
2. Extended maintenance intervals causing component aging: Skipping
recommended service intervals for filter elements, lubricant, and
seals accelerates fatigue and wear of critical parts like pistons,
spools, and bearings, resulting in irreversible performance
degradation. Implementing condition‑based maintenance plans—driven
by real‑time monitoring of system parameters—rather than simple
scheduled replacements, optimizes maintenance expenditure and
sustains reliable operation of the axial piston pump over its
intended service life.
3. Hydraulic fluid incompatibility causing seal swelling: Employing
hydraulic oils that do not meet DIN 51524–2
specifications—especially those with high aromatic or polar
additive content—can chemically react with pump seal materials,
causing O‑rings and lip seals to swell or harden and crack. This
leads to significant leakage. Strict adherence to
manufacturer‑specified fluids and pre‑deployment compatibility
testing ensures stable seal performance across the -30 ℃ to +120 ℃
operating range and protects the axial piston pump from
fluid‑induced seal failures.
