DSG-01-70 Series Solenoid Operated Directional Valves
DSG-01-70 Series Solenoid Operated Directional Valves (YUKEN)
The DSG-01-70 Series is a high-performance 1/8″ solenoid operated directional control valve line from YUKEN (Yuken Kogyo Co., Ltd.), a leading global manufacturer of hydraulic components. This “70 Design” series represents the latest generation of YUKEN’s DSG-01 valves, featuring advanced engineering for superior pressure handling, flow capacity, and energy efficiency.
Core Features
-
High Pressure & High Flow Performance:
-
Maximum operating pressure: 35 MPa (5,076 psi)
-
Maximum flow rate: 100 L/min (26.4 US gpm) – 60% increase over previous 60 Design models (63 L/min)
-
Low pressure drop design reduces energy consumption and heat generation
-
-
Advanced Design Elements:
-
Powerful wet-type solenoid (AC/DC options) with excellent heat dissipation for extended service life
-
5-chamber valve body structure enabling optimized flow path design
-
Compact and lightweight construction (approx. 2.2 kg) despite high performance capabilities
-
IP65 protection rating (standard) for reliable operation in harsh industrial environments
-
Fast response time: ≤50 ms for precise control
-
Technical Specifications
|
Parameter
|
Value
|
|
Nominal Size
|
01 (1/8″)
|
|
Maximum Operating Pressure
|
35 MPa (5,076 psi)
|
|
Maximum Flow Rate
|
100 L/min (26.4 US gpm)
|
|
Back Pressure Allowance
|
21 MPa (3,046 psi)
|
|
Operating Temperature Range
|
-25°C to 90°C
|
|
Suitable Fluid Viscosity
|
10-400 cSt
|
|
Solenoid Types
|
Wet armature AC (A100, A200, A240) or DC (D12, D24, D48)
|
|
Power Consumption
|
Standard: 29W (DSG-01); Low power options available
|
|
Mounting
|
JIS B 8374 standard sub-base mounting
|
|
Weight
|
Approximately 2.2 kg
|
|
Protection Class
|
IP65 (standard)
|
|
Response Time
|
≤50 ms
|
Source: YUKEN official documentation
Model Number Designation (Example: DSG-01-3C4-D24-N-70-L)
|
Component
|
Code
|
Meaning
|
|
Series
|
DSG
|
Solenoid Operated Directional Valve (sub-base mounted)
|
|
Size
|
01
|
1/8″ nominal size
|
|
Positions/Paths
|
3
|
Three positions
|
|
Spool Type
|
C4
|
Specific spool configuration (e.g., 3C2, 3C4, 2B2, 2B3B)
|
|
Solenoid Voltage
|
D24
|
DC 24V (A240=AC 240V, D12=DC 12V, etc.)
|
|
Options
|
N
|
Standard
|
|
Design
|
70
|
70 Design (high pressure, high flow)
|
|
Special
|
L
|
Special seals (e.g., for low temperature or chemical compatibility)
|
Source: Salus Hydraulics and YUKEN catalogs
Spool Configurations & Functions
The DSG-01-70 Series offers various spool types to meet diverse application requirements:
-
Two-position valves (e.g., 2B2, 2B3B):
-
Spring return or spring offset configurations
-
Used for simple on/off or direction control of single-acting cylinders or motors
-
-
Three-position valves (e.g., 3C2, 3C4):
-
Center position options:
-
3C2: P blocked, A/B/T connected (Tandem center)
-
3C4: P/A/B/T all blocked (Float center)
-
-
Used for precise control of double-acting cylinders and reversible motors
-
Applications
The DSG-01-70 Series is widely used in industrial hydraulic systems requiring high performance and reliability:
-
Machine Tools: CNC machining centers, injection molding machines, presses
-
Mobile Hydraulics: Construction equipment, agricultural machinery, material handling systems
-
Industrial Automation: Robotics, automated production lines, test equipment
-
Energy Systems: Power generation equipment, renewable energy systems
-
Marine & Offshore: Shipboard hydraulic systems, offshore platforms
Key Advantages Over Previous Generations
|
Feature
|
DSG-01-70 Design
|
DSG-01-60 Design (Previous)
|
Improvement
|
|
Max Flow Rate
|
100 L/min
|
63 L/min
|
+60%
|
|
Max Pressure
|
35 MPa
|
31.5 MPa
|
+11%
|
|
Pressure Drop
|
Lower
|
Higher
|
Energy savings
|
|
Response Time
|
Faster
|
Slower
|
Improved control precision
|
|
Service Life
|
Longer
|
Standard
|
Due to improved wet solenoid design
|
Source: YUKEN technical comparison data
Installation & Maintenance Tips
-
Mounting: Use JIS B 8374 compliant sub-bases; ensure proper alignment and torque
-
Fluid Cleanliness: Maintain ISO 4406 Class 18/15 or better for optimal performance
-
Solenoid Connection: Use appropriate connectors for IP65 protection; avoid water ingress
-
Temperature Control: Keep fluid temperature within -25°C to 90°C range
-
Regular Inspection: Check for leaks, unusual noise, or performance degradation; replace seals as needed
