Industry-Verified Manufacturing Data (2026)

Hydraulic Cylinder

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Hydraulic Cylinder used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Hydraulic Cylinder is characterized by the integration of Cylinder Barrel and Piston. In industrial production environments, manufacturers listed on CNFX commonly emphasize Carbon Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A mechanical actuator that converts hydraulic pressure into linear force and motion.

Product Specifications

Technical details and manufacturing context for Hydraulic Cylinder

Definition
A core component of hydraulic presses that generates the pressing force through hydraulic fluid pressure, consisting of a cylindrical barrel, piston, piston rod, and seals to create controlled linear movement for compression, forming, or lifting applications.
Working Principle
Hydraulic fluid under pressure enters the cylinder chamber, forcing the piston to move linearly along the barrel. The pressure differential across the piston creates force proportional to the piston area and fluid pressure, with direction controlled by valve systems.
Common Materials
Carbon Steel, Stainless Steel, Chrome-plated Steel
Technical Parameters
  • Bore diameter (inner diameter of cylinder barrel) (mm) Customizable
Components / BOM
  • Cylinder Barrel
    Contains hydraulic fluid and guides piston movement
  • Piston
    Separates pressure chambers and transmits force to rod
  • Piston Rod
    Transmits linear force to external load
  • End Caps
    Seal cylinder ends and provide mounting points
  • Seals and Gaskets
    Prevent hydraulic fluid leakage
Engineering Reasoning
1.0-35.0 MPa (145-5076 psi)
Yield strength of cylinder material (e.g., 250 MPa for SAE 1020 steel) or seal extrusion pressure (typically 70% of seal material compressive strength)
Design Rationale: Cavitation at vapor pressure threshold (0.023 MPa at 20°C) causing pitting erosion, or thermal fatigue from cyclic temperature variations exceeding 150°C differential
Risk Mitigation (FMEA)
Trigger Contaminant particle ingress exceeding ISO 4406 18/16/13 cleanliness level
Mode: Seal abrasion leading to hydraulic fluid leakage exceeding 5 mL/min
Strategy: Install 10 μm absolute filtration with beta ratio ≥200 at pump inlet
Trigger Hydraulic fluid temperature sustained above 82°C (180°F)
Mode: Seal material degradation causing compression set exceeding 25%
Strategy: Integrate plate-type heat exchanger maintaining fluid at 49±3°C (120±5°F)

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Hydraulic Cylinder.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 300 bar (4500 psi)
flow rate: Dependent on cylinder bore and rod size, typically 5-200 L/min
temperature: -20°C to 120°C
slurry concentration: Not applicable - hydraulic cylinders require clean hydraulic fluid, max particle size 10μm
Media Compatibility
✓ Hydraulic oil (ISO VG 32-68) ✓ Water-glycol fluids ✓ Phosphate ester fluids
Unsuitable: Saltwater or marine environments without special corrosion protection
Sizing Data Required
  • Required force output (kN or lbs)
  • Stroke length (mm or inches)
  • Operating pressure (bar or psi)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Seal Degradation
Cause: Contamination ingress (particles, water) leading to abrasive wear, chemical incompatibility with hydraulic fluid, or excessive heat causing hardening/cracking.
Rod Scoring/Galling
Cause: Misalignment creating side-loading, inadequate lubrication due to damaged wiper seals, or foreign particle abrasion from contaminated fluid.
Maintenance Indicators
  • External hydraulic fluid leakage around rod seals or cylinder body connections
  • Audible knocking or chattering during operation indicating cavitation or air entrapment
Engineering Tips
  • Implement strict fluid cleanliness protocols (ISO 4406 monitoring) and use high-efficiency filtration to prevent abrasive wear
  • Ensure proper cylinder alignment during installation and use rod protection systems (bellows/covers) to prevent contamination ingress

Compliance & Manufacturing Standards

Reference Standards
ISO 6020-2: Hydraulic fluid power - Mounting dimensions for single rod cylinders, 16 MPa series ANSI/CETOP RP 43P: Hydraulic fluid power - Cylinders - Bore and rod area ratios DIN 24334: Hydraulic cylinders - Piston rods with male thread
Manufacturing Precision
  • Bore diameter: +/-0.02 mm
  • Piston rod straightness: 0.1 mm per meter
Quality Inspection
  • Pressure test: 1.5 times maximum working pressure for 2 minutes
  • Hardness test: Brinell or Rockwell on piston rod surface

Factories Producing Hydraulic Cylinder

Verified manufacturers with capability to produce this product in China

✓ 98% Supplier Capability Match Found

P Procurement Specialist from Singapore Jan 27, 2026
★★★★★
"The Hydraulic Cylinder we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements."
Technical Specifications Verified
T Technical Director from Germany Jan 24, 2026
★★★★★
"Found 23+ suppliers for Hydraulic Cylinder on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
P Project Engineer from Brazil Jan 21, 2026
★★★★★
"The technical documentation for this Hydraulic Cylinder is very thorough, especially regarding technical reliability."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

16 sourcing managers are analyzing this specification now. Last inquiry for Hydraulic Cylinder from UAE (31m ago).

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Frequently Asked Questions

What materials are commonly used in hydraulic cylinder construction?

Hydraulic cylinders are typically constructed from carbon steel, stainless steel, or chrome-plated steel, chosen based on application requirements like corrosion resistance, strength, and durability.

What are the main components of a hydraulic cylinder?

Key components include the cylinder barrel, end caps, piston, piston rod, and seals/gaskets, which work together to convert hydraulic pressure into linear mechanical force.

How do I select the right hydraulic cylinder for my machinery?

Consider factors like required force, stroke length, operating pressure, material compatibility with your environment, and mounting style to ensure optimal performance in your equipment.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

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