AR Series Yuken Variable Displacement Piston Pumps
The Yuken AR Series is a line of compact, low-noise and high-efficiency variable displacement piston pumps developed based on Yuken’s proven “A Series” technology. Designed to prioritize quiet operation, small size and light weight, these swash plate type pumps are well-suited for medium and high-pressure hydraulic systems across various industrial and engineering applications.
Core Specifications
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Parameter
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Value
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Rated Pressure
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2.0-16 MPa (20-160 kgf/cm²), two adjustment ranges available
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Maximum Pressure
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16 MPa (160 kgf/cm²)
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Displacement Options
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AR16: 6-15.8 cm³/rev AR22: 8.5-22.2 cm³rev
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Pump Type
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Swash plate type variable displacement piston pump
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Fluid Compatibility
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Petroleum-based anti-wear hydraulic oils or R&O type oils (ISO VG 32 or 46)
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Mounting
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Flange mounting (standard), with axial or side port options
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Key Features
1. Compact & Lightweight Design
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Adopts a compact structure and aluminum body, ensuring a high power-to-mass ratio for space-constrained applications
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Lightweight design simplifies installation and reduces overall system weight, suitable for mobile hydraulic equipment
2. Low Noise Operation
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Developed based on Yuken’s quiet-operation technology, with lower noise levels compared to similar piston pumps
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Ideal for applications requiring a quiet working environment, such as precision machinery and indoor equipment
3. Versatile Control Options
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Multiple control configurations to adapt to diverse system requirements:
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Pressure compensator control (standard)
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Pressure adjustment ranges: B (1.2-7 MPa) and C (2.0-16 MPa)
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Optional flow adjustment for precise flow control
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Pressure and flow can be easily adjusted via dedicated screws, ensuring energy-efficient operation
4. High Efficiency & Reliability
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Inherits the proven reliability of Yuken’s “A Series” platform, with stable performance in long-term operation
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High volumetric efficiency, maintaining stable performance even under rated pressure conditions
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High-quality components and precision manufacturing reduce wear and extend service life
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Optimized internal structure minimizes energy loss and heat generation, reducing cooling system burden
5. Easy Installation & Maintenance
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Standard flange mounting and standardized interfaces facilitate quick installation and replacement
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Available in axial or side port designs to match different pipeline layouts
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Easy access to adjustment screws and maintenance points, reducing downtime and maintenance costs
Model Nomenclature (Example: AR16-FR01C-22)
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Code
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Meaning
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AR
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Series designation (Compact, low-noise variable displacement piston pump)
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16
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Displacement (max 15.8 cm³/rev)
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F
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Mounting type (Flange mounting)
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R
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Rotation direction (Clockwise, viewed from shaft end)
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01
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Control type (Standard pressure compensator type)
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C
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Pressure adjustment range (2.0-16 MPa)
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22
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Port position (Axial ports)
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Typical Applications
The AR Series is ideal for medium and high-pressure hydraulic systems requiring compact size, low noise and reliable performance:
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Industrial machinery (injection molding machines, die-casting machines, hydraulic shears)
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Construction machinery (excavators, cranes, small loaders)
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Precision equipment (hydraulic elevators, precision presses)
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Environmental protection equipment (sewage treatment, garbage compression systems)
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Metallurgical equipment (small rolling mills, steel processing machinery)
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Lightweight mobile hydraulic systems
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Indoor hydraulic equipment requiring low noise operation
Operational Advantages
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Energy Efficiency: Variable displacement design adjusts output flow to match load demand, effectively reducing power consumption and operating costs
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Quiet Operation: Optimized structure and precision manufacturing minimize noise, improving working environment comfort
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Space-Saving: Compact and lightweight design optimizes installation space, suitable for small-sized hydraulic systems
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Easy Adjustment: Dedicated pressure and flow adjustment screws allow quick parameter setting to meet system requirements
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Strong Adaptability: Multiple port positions and control options, compatible with various hydraulic system architectures
Important Considerations
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Use recommended hydraulic oils (ISO VG 32 or 46) and maintain oil viscosity between 20-400 mm²/s, operating temperature 0-60℃
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Strictly control oil contamination to prevent component wear and pump failure; regular filtration is recommended
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Avoid overpressure operation, and adjust pressure within the specified range to ensure pump longevity
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Ensure stable and horizontal mounting to reduce vibration and prevent premature wear of shaft and bearings
For detailed technical specifications, installation guidelines, and maintenance procedures, refer to the official Yuken AR Series documentation or contact authorized Yuken distributors.
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