PVXS180 Axial Piston Variable Displacement Pump: High-Performance Hydraulic Power Core
The PVXS180 is anaxial piston variable displacement hydraulic pump (hydraulic piston pump), serving as a core power component inhydraulic systems (hydraulic system). Designed for high-pressure, high-flow applications, it is widely used in construction machinery, metallurgical equipment, marine propulsion, and industrial hydraulic transmission fields.
Key Performance Parameters
1. Displacement and Flow Rate
• Theoretical displacement: 180 cm³/rev (displacement per revolution). At a rated speed of 1,800 rpm, the geometric output flow reaches 324 L/min (86 USGPM), meeting the demands of high-power hydraulic systems.
• Variable displacement range: Adjusts displacement infinitely via swashplate inclination, enabling precise matching of flow and load to minimize energy waste.
2. Pressure Capability
• Rated pressure: 350 bar (5,075 psi), ensuring stable operation under continuous loads.
• Peak pressure: 420 bar (6,090 psi), capable of withstanding short-term high-pressure shocks for heavy-duty applications.
3. Speed and Efficiency
• Rated speed: 1,800 rpm, with a maximum speed exceeding 1,800 rpm to accommodate high-speed drives.
• Volumetric efficiency: ≥95%, converting mechanical energy into hydraulic energy with minimal losses, reducing system heat generation and energy consumption.
Technical Advantages
1. Swashplate Axial Piston Design
• Pistons are arranged parallel to the drive shaft, with displacement adjusted via swashplate inclination for a compact, reliable structure.
• Pressure-balanced design: Rotating and pressure-loaded components utilize pressure-balancing technology to reduce internal stress and extend service life.
2. Low Noise and Long Lifespan
• Precision timing configuration: Minimizes piston motion impact, lowering operational noise to levels near or below those of the drive motor.
• Heavy-duty bearings and shaft extensions: Enhanced bearing and shaft designs reduce internal deformation and wear, significantly outlasting comparable products.
3. Modularity and Flexibility
• Through-shaft drive solutions: Support multi-pump configurations, integrating fixed or variable displacement pumps for complex hydraulic system layouts.
• Diverse control modes: Offers pressure compensation, load sensing, and other control options for dynamic flow matching with system demands.
4. Media Compatibility
• Compatible with petroleum-based hydraulic fluids, synthetic hydraulic oils, water-containing hydraulic fluids, and phosphate ester hydraulic fluids, adapting to varied operating conditions.
Typical Applications
1. Construction Machinery
• Serves as the main hydraulic pump for excavators, cranes, and other equipment, providing high-flow, high-pressure power for heavy-duty operations.
2. Metallurgical Equipment
• Used in continuous casting machines, rolling mills, and other hydraulic systems, withstanding high-temperature, high-pressure environments for reliable operation.
3. Marine Propulsion
• Powers steering gears, deck machinery, and other hydraulic systems, offering precise flow control for marine applications.
4. Industrial Hydraulic Transmission
• Enables energy-efficient and high-performance operation in injection molding machines, die-casting machines, and other equipment through proportional variable technology.
Comparison with Similar Products
• Advantages:
• Compared to fixed displacement pump systems, PVXS180’s proportional variable technology reduces electricity consumption by 25%–45%, minimizing system heat and fluid contamination.
• Outperforms most axial piston pumps in volumetric efficiency and pressure capability, making it ideal for high-load, long-duration applications.
• Applicability:
• The preferred choice for hydraulic systems requiring high-precision flow control, low noise, or extended lifespan.
Conclusion
The PVXS180 axial piston variable displacement pump stands as a benchmark forhigh performance, efficiency, and reliabilityin hydraulic systems. Leveraging swashplate design and advanced control technologies, it delivers stable, energy-saving power for modern hydraulic transmission applications, from heavy industrial machinery to precision equipment control.
The PVXS180 Axial Piston Variable Displacement Pump is a high-performance industrial hydraulic pump, categorized as a heavy-duty hydraulic piston pump engineered to deliver stable and adjustable fluid power for complex industrial hydraulic system applications. Featuring precision axial piston structure and stepless variable displacement design, this core hydraulic component efficiently regulates output flow and pressure, adapting seamlessly to load fluctuations in engineering machinery, metallurgical equipment and mining facilities. It serves as the prime power source within the whole hydraulic system, relying on the robust piston driving mechanism of the hydraulic piston pump to convert mechanical energy into hydraulic energy reliably; as a premium hydraulic pump, it boasts outstanding durability, low noise and high volumetric efficiency under continuous heavy-load operation.
