1. Introduction
YUKEN hydraulic cylinders are precision-engineered components designed to convert fluid power into linear mechanical force and motion. With decades of expertise in hydraulic technology, YUKEN offers a comprehensive range of cylinders for diverse industrial applications, from general machinery to high-pressure, heavy-duty systems.
2. Main Product Series
2.1 CJT Series Hydraulic Cylinders
General Purpose Industrial Cylinders
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Pressure Ratings:
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CJT35: 3.5 MPa (507 psi) for light-duty applications
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CJT210: 21 MPa (3045 psi) for standard industrial use
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CJT210L: 21 MPa with long stroke capabilities
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Mounting Options: Multiple configurations including flange (FE/GE), trunnion/eye (GE/EE), foot (SE), and clevis mounts
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Special Features:
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Switch-Set "CJT" Series with slide proximity switches for position detection
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Various rod diameters (standard and heavy-duty options)
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Adjustable cushioning at both ends for smooth operation
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Applications: Machine tools, automation equipment, general industrial machinery
2.2 CE Series Hydraulic Cylinders
Standard Small Bore Cylinders
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Design: Compact, lightweight construction for space-constrained applications
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Pressure Range: Up to 14 MPa (2030 psi) operating pressure
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Bore Sizes: 20 mm to 100 mm (small bore series)
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Temperature Range: -10°C to +80°C (standard), special seals available for extreme conditions
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Model Examples: CEFB-80C, CE-※-※※-140B
2.3 HSG Series Hydraulic Cylinders
Heavy-Duty Industrial Cylinders
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Pressure Rating: 21 MPa (3045 psi) standard operation
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Bore Diameters: 40 mm to 250 mm
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Stroke Lengths: Up to 3000 mm (custom lengths available)
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Construction: Robust design with high-quality materials for durability
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Applications: Construction machinery, material handling equipment, industrial presses
2.4 CD/CG Series Hydraulic Cylinders
Compact Design Cylinders
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Pressure Rating: Up to 16 MPa (2320 psi)
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Design: Space-saving profile for tight installations
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Mounting Flexibility: Flange and compact foot mounting options
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Applications: Robotics, automated production lines, medical equipment
2.5 RO Series Hydraulic Cylinders
High-Impact Heavy-Duty Cylinders
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Pressure Rating: Up to 35 MPa (5075 psi) for severe service conditions
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Special Construction: Reinforced cylinder body and seals for impact resistance
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Sealing System: Advanced seal technology for extended service life in harsh environments
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Applications: Mining equipment, metallurgical machinery, heavy industrial presses
2.6 CQ/CD Series Hydraulic Cylinders
Single-Acting and Double-Acting Cylinders
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CQ Series: Single-acting cylinders for simple push/pull applications (e.g., die ejection, fixture clamping)
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Stroke: 50 mm to 2000 mm
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Pressure: 7 MPa to 21 MPa
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Speed: 0.05 m/s to 0.5 m/s
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CD Series: Double-acting cylinders for reciprocating motion applications (e.g., presses, injection molding machines)
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Stroke: 100 mm to 3000 mm
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Pressure: 7 MPa to 35 MPa
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Speed: 0.1 m/s to 1 m/s
3. Technical Specifications Overview
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Parameter
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Range
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Unit
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Notes
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Operating Pressure
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3.5-35
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MPa
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Application-dependent
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Bore Diameter
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20-250
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mm
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Standard range, custom sizes available
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Rod Diameter
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12-180
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mm
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Matched to bore size
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Maximum Stroke
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Up to 3000
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mm
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Longer strokes on request
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Operating Speed
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0.05-1
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m/s
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Dependent on series and application
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Temperature Range
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-10 to +80
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°C
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Standard, extended ranges available
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Mounting Types
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Multiple
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Flange, trunnion, foot, eye, clevis
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4. Model Number Designation System
CJT Series Example: CJT35-SD160S100B-ABD-H-30
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Code Segment
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Meaning
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CJT
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Series identifier
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35
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Pressure rating (3.5 MPa)
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SD
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Mounting type (Square flange)
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160
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Bore diameter (160 mm)
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S
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Rod type (Standard)
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100
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Rod diameter (100 mm)
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B
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Cushioning (Both ends adjustable)
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ABD
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Seal configuration
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H
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Mounting detail
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30
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Special option code
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CE Series Example: CE-XX-XX-140B
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Code Segment
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Meaning
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CE
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Series identifier
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XX
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Bore diameter
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XX
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Rod diameter
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140
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Operating pressure (14 MPa)
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B
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Mounting style
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5. Selection Guide
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Determine Application Requirements
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Operating pressure and peak pressure conditions
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Required force output (F = P × A, where A = piston area)
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Stroke length and speed requirements
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Mounting constraints and space limitations
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Select Series Based on Pressure
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Low pressure (≤3.5 MPa): CJT35 Series
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Medium pressure (≤21 MPa): CJT210, HSG Series
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High pressure (≤35 MPa): RO, CD Series
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Choose Mounting Configuration
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Rigid mounting: Flange (FE/GE) for high precision applications
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Pivoting motion: Trunnion/eye (GE/EE) mounts
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Fixed positioning: Foot (SE) mounts
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Add Special Features
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Position sensing: Switch-Set CJT Series
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Cushioning: Both ends adjustable for high-speed applications
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Rod protection: Bellows or scrapers for harsh environments
6. Ordering Information
To order YUKEN hydraulic cylinders, specify:
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Complete model number (including all options)
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Bore and rod diameters
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Stroke length
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Mounting configuration
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Seal type (standard or special)
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Any special requirements (e.g., high temperature, corrosion resistance)
For detailed technical specifications, dimensional drawings, and material selection, refer to the complete YUKEN Hydraulic Equipment Engineering Information Catalog available at authorized YUKEN distributors or via the official website.
7. Quality and Reliability
All YUKEN hydraulic cylinders are manufactured to strict quality standards with:
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Precision honed cylinder barrels for optimal seal performance
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High-strength piston rods with hard chrome plating for wear resistance
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Premium seal materials for extended service life
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100% pressure testing before shipment
8. Additional Resources
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Complete Catalog: YUKEN Hydraulic Equipment Engineering Information Catalog (English)
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Technical Drawings: 2D and 3D CAD files available for download
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Instruction Manuals: Detailed installation, operation, and maintenance guides
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Local Support: Authorized distributors worldwide provide technical assistance and after-sales service
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