Structured Manufacturing Data (2026)

Lifting cylinder

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Lifting 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 Lifting 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 hydraulic or pneumatic actuator that provides linear force for vertical movement in overhead lifting systems.

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Product Specifications

Technical details and manufacturing context for Lifting cylinder

Definition

A lifting cylinder is a critical component of overhead lifting mechanisms that converts fluid pressure (hydraulic or pneumatic) into controlled linear motion to raise and lower loads. It typically consists of a cylindrical barrel, piston, piston rod, and seals, designed to withstand high forces while maintaining precise positioning and smooth operation in industrial applications.

Working Principle

Fluid (hydraulic oil or compressed air) is pumped into one side of the cylinder, creating pressure that pushes the piston. This linear motion extends or retracts the piston rod, generating the lifting force. Directional control valves regulate fluid flow to control movement speed and position.

Common Materials

Carbon steel, Stainless steel, Aluminum alloy

Technical Parameters

Bore diameter, stroke length, and rod diameter are critical specifications (mm) Standard Spec

Components / BOM

Cylinder barrel
Houses the piston and fluid, withstands internal pressure

Material: Carbon steel
Piston
Separates fluid chambers and transfers pressure to linear force

Material: Steel with seals
Piston rod Part
Transmits force from piston to external load

Material: Chrome-plated steel
End caps Part
Seal the cylinder ends and provide mounting points

Material: Steel
Seals and gaskets Part
Prevent fluid leakage and contamination

Material: Polyurethane or nitrile rubber

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Lifting cylinder.

Applied To / Applications

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

Overhead Lifting Mechanism

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Industrial Ecosystem & Supply Chain Structure

Complementary Systems

Downstream Applications

Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits

pressure:	Up to 300 bar (hydraulic), Up to 10 bar (pneumatic)
other spec:	Flow Rate: 5-100 L/min (hydraulic), 100-1000 L/min (pneumatic); Slurry Concentration: Not recommended for abrasive slurries
temperature:	-20°C to 80°C

Media Compatibility

✓ Hydraulic oil (ISO VG 32-68) ✓ Compressed air (filtered, lubricated) ✓ Water-glycol hydraulic fluids

Unsuitable: Corrosive chemical environments (acids, chlorides)

Sizing Data Required

Required lifting force (kN)
Stroke length (mm)
Operating pressure (bar)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause

Seal degradation

Cause: Contamination ingress, chemical incompatibility, or excessive heat leading to hardening, cracking, or extrusion of seals, resulting in internal or external leakage.

Rod scoring or pitting

Cause: Abrasive particles in hydraulic fluid, inadequate rod wiper seals, or misalignment causing metal-to-metal contact and surface damage, leading to seal failure and fluid loss.

Maintenance Indicators

Audible knocking or chattering during operation, indicating cavitation, air entrapment, or internal component wear.
Visible external hydraulic fluid leakage around rod seals, cylinder body, or fittings, often accompanied by reduced lifting force or drift.

Engineering Tips

Implement strict contamination control: use high-quality filters, maintain proper fluid cleanliness (e.g., ISO 4406 class), and ensure seals are compatible with operating fluids and temperatures.
Ensure proper alignment and mounting: avoid side-loading, use spherical bearings or misalignment couplers if needed, and regularly inspect rod surfaces and wipers for damage or debris.

Compliance & Manufacturing Standards

Reference Standards

ISO 6020-2: Hydraulic fluid power - Mounting dimensions for single rod cylinders, 16 MPa series ANSI/NFPA T3.6.7 R1-2015: Fluid power cylinders - Method for determining the buckling load DIN ISO 3320: Fluid power systems and components - Cylinder bores and piston rod diameters and area ratios - Metric series

Manufacturing Precision

Bore diameter: +/-0.02 mm
Surface finish (Ra): 0.4 μm maximum

Quality Inspection

Pressure test: 1.5 times maximum working pressure for 2 minutes
Hardness test: Brinell or Rockwell on piston rod and cylinder barrel

Factories Producing Lifting cylinder

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation

4/5

Manufacturing capability

4/5

Inspection readiness

5/5

Supplier transparency

3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What materials are available for lifting cylinders in machinery manufacturing?

Our lifting cylinders are manufactured using carbon steel for general applications, stainless steel for corrosion resistance, and aluminum alloy for lightweight requirements in machinery and equipment.

What are the main components in a lifting cylinder BOM?

The bill of materials includes cylinder barrel, end caps, piston, piston rod, and seals/gaskets - all precision-engineered for reliable linear force in vertical lifting applications.

How do hydraulic and pneumatic lifting cylinders differ for overhead systems?

Hydraulic cylinders provide higher force density using fluid pressure, while pneumatic cylinders use compressed air for faster operation. Both deliver linear motion for vertical lifting in machinery applications.

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.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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