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Yuken variable piston Pump product catalog

Overview

YUKEN’s variable displacement piston pumps are swash plate type hydraulic pumps renowned for their low noise, high efficiency, and reliability, developed with proprietary technology. A comprehensive range of series is available to meet diverse industrial needs, from compact low-displacement models to high-pressure heavy-duty units.

Main Product Series

1. “A” Series Variable Displacement Piston Pumps (EIC-A-1002-0)

Features

  • High efficiency: Volumetric efficiency > 98%, overall efficiency > 90% (at 16 MPa, 1800 r/min)
  • Low noise: Exceptionally quiet operation, especially in smaller models
  • Wide displacement range: 10 to 145 cm³/rev (0.610 to 8.85 [cu.in](cu.in)./rev)
  • Maximum operating pressure: 21 MPa (3050 PSI)
  • Speed range: 600-1800 r/min

Models & Key Specifications

Model
Geometric Displacement (cm³/rev)
Max. Operating Pressure (MPa)
Approx. Mass (kg)
A10
10
21 (3050 PSI)
14
A16
16
21 (3050 PSI)
16
A22
22.2
21 (3050 PSI)
22
A37
37
21 (3050 PSI)
30
A45
45
21 (3050 PSI)
35
A56
56
21 (3050 PSI)
40
A70
70
21 (3050 PSI)
48
A90
90
21 (3050 PSI)
58
A100
100
21 (3050 PSI)
65
A145
145
21 (3050 PSI)
82

Control Options

  • Pressure Compensator Type
  • Solenoid Two Pressure Control Type
  • Pressure Compensator with Unloading Type
  • Proportional Electro-Hydraulic Load Sensing Type
  • Electro-Hydraulic Proportional Control Type

2. AR Series Variable Displacement Piston Pumps (Pressure Compensator Type)

Features

  • Compact aluminum body: High power-to-mass ratio
  • Ultra-quiet operation: Industry-leading noise performance
  • Axial or side port options: Flexible installation
  • Displacement range: 15.8-22.2 cm³/rev (0.964-1.355 [cu.in](cu.in)./rev)
  • Max pressure: 21 MPa (3050 PSI)

Models

  • AR16-FR01B/C-22
  • AR22-FR01B/C-22

3. ARL1 Series Variable Displacement Piston Pumps

Features

  • Compact design: Based on proven A/AR series technology
  • Low noise & high efficiency: Enhanced performance characteristics
  • Small displacement range: 6.2 to 16.3 cm³/rev (0.378-0.995 [cu.in](cu.in)./rev)
  • Pressure compensator type: Precise pressure control
  • Lightweight construction: Ideal for space-constrained applications

4. A3H Series High Pressure Variable Displacement Piston Pumps (EIC-A-1003-0)

Features

  • High pressure capability: 35 MPa (5080 PSI) operation
  • Maintains high volumetric efficiency even at maximum pressure
  • Wide displacement range: 16.3 to 180.7 cm³/rev (0.995-11.03 [cu.in](cu.in)./rev)
  • 7 model options: From A3H16 to A3H180
  • Advanced control system: Suitable for industrial and mobile applications

5. Other Variable Displacement Piston Pump Series

  • A3HG Series: High-pressure variant of A3H with enhanced performance
  • A7H Series: Large displacement models (180-270 cm³/rev) for heavy-duty applications
  • Custom configurations: Available with various control options including proportional electro-hydraulic, load sensing, and two-pressure control

Technical Specifications Overview

Parameter
Range
Units
Displacement
6.2-270
cm³/rev (0.378-16.47 [cu.in](cu.in)./rev)
Max Pressure
21-35
MPa (3050-5080 PSI)
Speed Range
600-1800
r/min
Efficiency
>90 (overall), >98 (volumetric)
% (at 16 MPa, 1800 r/min)
Mounting
SAE standard flanges
Various sizes available
Fluid Compatibility
Mineral oil, synthetic hydraulic fluids
ISO VG 32-68
Temperature Range
-10 to +80
°C

Model Number Designation System

YUKEN uses a standardized model number system for easy identification of pump specifications:
Example: A10-FR01B-1800-B-S-60
  • A10: Series and displacement (10 cm³/rev)
  • FR: Control type (Pressure Compensator)
  • 01: Mounting type
  • B: Shaft type
  • 1800: Maximum speed (r/min)
  • B: Seal material
  • S: Special options
  • 60: Production code

Application Areas

  • Plastic injection molding machines
  • Die casting and forging equipment
  • Rubber processing machinery
  • Hydraulic presses
  • Construction and agricultural machinery
  • Machine tools
  • Industrial automation systems

Key Advantages

  1. Energy efficiency: High overall efficiency reduces operating costs
  2. Reliability: Robust design ensures long service life with minimal maintenance
  3. Flexibility: Multiple control options to match specific system requirements
  4. Low noise operation: Improves workplace environment
  5. Global support: Comprehensive technical assistance and spare parts availability worldwide

Notes

  • Product specifications are subject to change without notice
  • For detailed dimensional drawings, installation guidelines, and maintenance instructions, refer to the individual product catalogs and instruction manuals
  • Contact YUKEN sales representatives for customized solutions or specific application requirements