Brand Name: | SY Hydraulic |
Model Number: | SY-A4VSO |
MOQ: | 1pc |
Price: | USD 1000-3000 / pc |
Payment Terms: | T/T |
Supply Ability: | 1000 pcs per month |
Compact Rexroth Axial Piston Pump Cast Iron 1500 RPM Industrial Hydraulics
Features:
1. Anti-cavitation design prolongs service life.
2. Multiple control interface sockets (DIN 43650).
3. Pressure-compensated control options.
4. Integrated thermal protection device.
5. Adaptive flow matching for load changes.
6. Tested with hydraulic oil per DIN 51524.
7. Constructed from high-strength materials to guarantee robust and durable components.
8. Long‑life ball thrust bearings.
9. Compact external design facilitates space-saving installation in constrained environments.
10. Lightweight design for increased power density.
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:
Competitive Advantage:
1. Optional vibration monitoring ports and integrated displacement feedback sensors enable real‑time health monitoring of the A4VSO hydraulic pump, feeding data into predictive maintenance systems to detect early signs of degradation such as cavitation or misalignment; by catching anomalies before they evolve into failures, plant operators can schedule service interventions proactively, reducing unplanned downtime by up to 40% and optimizing maintenance budgets in critical industries like petrochemical processing, heavy manufacturing, and aerospace test facilities.
2. Manufactured in accordance with RoHS environmental directives and subjected to multi‑stage factory testing—covering pressure endurance, leakage checks, and performance validation—the A4VSO axial piston pump guarantees freedom from restricted hazardous substances and adherence to global certification standards; this compliance streamlines product registration processes for OEMs selling into EU, North American, and Asian markets, while rigorous quality control ensures consistent pump performance and reliability across all production batches.
3. The A4VSO axial piston pump features an integrated thermal protection device that continuously monitors oil temperature and automatically reduces displacement or initiates pump shutdown when critical thresholds are reached. By proactively preventing overheating, this advanced piston pump design protects internal components—including seals, valves, and pistons—from thermal degradation, extending service intervals and avoiding costly unscheduled downtime. Machine manufacturers benefit from greater system uptime and reliability, especially in applications such as continuous steel rolling, high‑pressure hydraulic presses, and off‑road machinery operating in desert or tropical climates where elevated fluid temperatures pose significant risks. The thermal safeguard also simplifies system diagnostics by flagging overtemperature events in control logs for easier root cause analysis.
The Analysis For Rexroth A4VSO Piston Pump Common Breakdown:
1. Pump body coating delamination causing corrosion: Mechanical impact during transport or installation can crack or peel off the pump’s anti‑corrosion nanocoating, exposing bare metal to corrosive media. This leads to rust formation and crack propagation. Inspecting coating integrity before commissioning, performing touch‑up coating as needed, and avoiding installation in environments with airborne particulates or chemical sprays prevent premature corrosion and structural degradation of the axial piston pump housing.
2. High‑pressure hose fatigue rupture: If high‑pressure hoses at the pump outlet are underspecified or subjected to prolonged pressure pulsations, fatigue cracks develop and lead to catastrophic hose bursts, ejecting hydraulic fluid under high pressure and posing serious safety risks. Hoses should meet SAE specifications with sufficient bend radius allowances, and non‑destructive inspection methods—such as visual dye penetration or ultrasonic scanning—should be employed periodically to detect hose aging and cracking before failure occurs.
3. Dispenser regulator malfunction causing inconsistent flow: If the displacement control mechanism (swashplate angle regulator) of the A4VSO piston pump experiences wear on the internal guide pins or binding of the control piston, the swashplate cannot accurately attain its intended angle. This mispositioning leads to discrepancies between commanded and actual flow rates, resulting in flow pulsations that degrade system cycle efficiency and impair actuator precision. Technicians should disassemble the regulator assembly, inspect guide pin clearances, and clean or replace the control piston and related seals to restore accurate flow control and consistent hydraulic pump performance.