YUKEN variable piston pump product catalog
YUKEN offers a comprehensive range of low noise, high efficiency swash plate type variable displacement piston pumps developed with proprietary technology. These pumps are designed to meet diverse application requirements across industrial and mobile hydraulic systems.
Main Product Series Overview
1. ARL1 Series Variable Displacement Piston Pumps
Key Features:
-
Compact & Lightweight: Aluminum body for high power-to-mass ratio
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Ultra-Low Noise: Advanced design minimizes operational noise
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High Efficiency: Volumetric efficiency >98% at 16 MPa and 1800 rpm
-
Pressure Compensator Type: Stable pressure control
Specifications:
|
Parameter
|
Value
|
|
Geometric Displacement
|
6.2~16.3 cm³/rev
|
|
Maximum Operating Pressure
|
21 MPa (3050 psi)
|
|
Shaft Speed Range
|
600~3000 rpm
|
|
Permissible Suction Pressure
|
-16.7 to +10 kPa
|
|
Approx. Mass
|
7.5~10 kg
|
Typical Models: ARL1-06, ARL1-08, ARL1-10, ARL1-16
2. AR Series Variable Displacement Piston Pumps
Key Features:
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Compact Design: Space-saving aluminum construction
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Low Noise Operation: Optimized flow path design
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Multiple Control Options: Pressure compensator, load sensing, etc.
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High Reliability: Proven design with long service life
Specifications:
|
Parameter
|
Value
|
|
Geometric Displacement
|
10~45 cm³/rev
|
|
Maximum Operating Pressure
|
21 MPa (3050 psi)
|
|
Shaft Speed Range
|
600~2800 rpm
|
|
Mounting Options
|
Flange, Foot
|
|
Approx. Mass
|
12~25 kg
|
Typical Models: AR10, AR16, AR22, AR37, AR45
3. A Series Variable Displacement Piston Pumps
Key Features:
-
Wide Displacement Range: 10~145 cm³/rev
-
High Efficiency: Overall efficiency >90% at 16 MPa and 1800 rpm
-
Diverse Control Methods: Pressure compensator, flow control, pressure/flow compound control, load sensing, electro-proportional control
-
High Pressure Capability: Up to 28 MPa (4060 psi) intermittent
Specifications:
|
Model
|
Displacement (cm³/rev)
|
Rated Pressure (MPa)
|
Max Intermittent Pressure (MPa)
|
|
A10
|
10
|
21
|
28
|
|
A16
|
16
|
21
|
28
|
|
A22
|
22
|
21
|
28
|
|
A37
|
37
|
21
|
28
|
|
A56
|
56
|
16
|
28
|
|
A70
|
70
|
16
|
28
|
|
A90
|
90
|
16
|
28
|
|
A145
|
145
|
16
|
21
|
Typical Models: A10-FR01B, A16-FR01B, A37-FR04H, A56-FR04H
4. A3H/A3HG Series High Pressure Variable Displacement Piston Pumps
Key Features:
-
Ultra-High Pressure: 35 MPa (5080 psi) rated, 40 MPa (5800 psi) intermittent
-
Advanced Control System: Load sense compensator, pressure compensator, electro-proportional control
-
High Shaft Speeds: Suitable for high-performance applications
-
High Volumetric Efficiency: Maintained even at maximum pressure
Specifications:
|
Parameter
|
Value
|
|
Geometric Displacement
|
16~180 cm³/rev
|
|
Maximum Operating Pressure
|
35 MPa (5080 psi)
|
|
Shaft Speed Range
|
600~2500 rpm
|
|
Control Options
|
Load Sense, Pressure Compensator, Electro-Proportional
|
|
Approx. Mass
|
35~75 kg
|
Typical Models: A3H16, A3H28, A3H56, A3H71, A3H107, A3H145, A3H180
5. A7H Series Large Displacement High Pressure Variable Piston Pumps
Key Features:
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Extra-Large Displacement: 180~270 cm³/rev
-
Extreme High Pressure: 35 MPa rated, 40 MPa intermittent
-
Heavy-Duty Design: Suitable for extreme overload applications
-
Advanced Control: Constant power, pressure compound control
Specifications:
|
Parameter
|
Value
|
|
Geometric Displacement
|
180~270 cm³/rev
|
|
Maximum Operating Pressure
|
35 MPa (5080 psi)
|
|
Shaft Speed Range
|
500~2000 rpm
|
|
Approx. Mass
|
85~110 kg
|
Typical Models: A7H180-FR04H, A7H225-FR04H, A7H270-FR04H
Control Options Available
|
Control Type
|
Description
|
Application
|
|
Pressure Compensator
|
Maintains constant pressure regardless of flow rate
|
Fixed pressure systems
|
|
Flow Control
|
Maintains constant flow rate regardless of pressure
|
Fixed flow systems
|
|
Pressure/Flow Compound
|
Combines pressure and flow control
|
Systems requiring both
|
|
Load Sensing
|
Adjusts flow based on system demand
|
Energy-efficient systems
|
|
Electro-Proportional
|
Remote control via electrical signal
|
Automated systems
|
|
Constant Power
|
Maintains constant power output
|
Power-limited applications
|
Model Number Designation (Example: A10-FR01B-10)
|
Component
|
Meaning
|
|
A10
|
Series (A) + Basic Displacement (10 cm³/rev)
|
|
F
|
Mounting Type (Flange)
|
|
R
|
Control Type (Pressure Compensator)
|
|
01
|
Shaft Type
|
|
B
|
Seal Material
|
|
10
|
Version Number
|
Performance Characteristics
-
Volumetric Efficiency: >98% at 16 MPa, 1800 rpm for most series
-
Overall Efficiency: >90% at 16 MPa, 1800 rpm for most series
-
Noise Level: 65~75 dB(A) at 1 m distance (varies by series)
-
Operating Temperature: -10°C to +80°C (with proper hydraulic fluid)
Application Areas
YUKEN variable displacement piston pumps are widely used in:
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Construction machinery
-
Injection molding machines
-
Press machines
-
Machine tools
-
Material handling equipment
-
Agricultural machinery
-
Marine systems
-
Renewable energy systems
