Editorial Technical Reference

Pneumatic Cylinder

This page explains how Pneumatic Cylinder is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A mechanical device that converts compressed air energy into linear mechanical force and motion.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Pneumatic Cylinder

Definition
A pneumatic cylinder is a key component within pneumatic systems that uses compressed air to create reciprocating linear motion. It consists of a cylindrical chamber, piston, piston rod, and end caps, and serves as the primary actuator for moving, lifting, pushing, or pulling loads in automated industrial applications. The cylinder operates by admitting compressed air through ports, creating a pressure differential that drives the piston along the bore. The piston rod transmits the linear force to the load. Directional control valves regulate the air flow to extend or retract the cylinder, enabling precise motion control in machinery and equipment. Typical materials include aluminum alloy, stainless steel, and carbon steel, with body options such as aluminum alloy and piston rods of chrome-plated steel. Standard parameters follow ISO 15552, with bore sizes from 32 to 320 mm, strokes from 25 to 2000 mm, operating pressures from 0.1 to 1.0 MPa, temperatures from -20 to 80 °C, and piston speeds from 50 to 500 mm/s. Port sizes conform to ISO 228-1, and mounting types include foot, flange, trunnion, and clevis. Seal material is typically NBR, with FKM available for high-temperature applications. The IP rating is IP65, indicating dust-tight and protection against water jets. Weight ranges from 0.5 to 50 kg depending on bore and stroke. For selection, verify model-specific values with the manufacturer, as custom diameters and strokes up to 3000 mm may be available. Higher pressures require reinforced seals, and low-temperature applications need special seals. Higher speeds may require cushioning, which is adjustable as standard. Always confirm that the chosen cylinder meets the required standards and application conditions.
Working Principle
Compressed air enters the cylinder through ports, creating pressure differentials that force the piston to move along the cylinder bore. The piston's linear motion is transferred through the piston rod to perform mechanical work. Directional control valves regulate air flow to extend or retract the cylinder.
Common Materials
Aluminum alloy, Stainless steel, Carbon steel
Technical Parameters
ParameterTypical rangeNotes & selection driver
Bore Size32–320 mmStandard sizes; custom diameters available on request.ISO 15552
Stroke Length25–2000 mmCustom strokes up to 3000 mm possible.ISO 15552
Operating Pressure0.1–1.0 MPaHigher pressure requires reinforced seals.ISO 15552
Operating Temperature-20–80 °CFor low-temp applications, use special seals.ISO 15552
Piston Speed50–500 mm/sHigher speeds may require cushioning.ISO 15552
Cushioning TypeadjustableAdjustable pneumatic cushioning standard.ISO 15552
Port SizeG1/8–G1Thread type per ISO 228-1.ISO 228-1
Mounting TypemultipleOptions: foot, flange, trunnion, clevis.ISO 15552
Seal MaterialNBRFKM available for high-temperature.DIN 53538
Body MaterialAluminum alloyStainless steel optional for corrosive environments.ISO 15552
Piston Rod MaterialChrome-plated steelHard chrome plating for wear resistance.ISO 15552
Weight0.5–50 kgDepends on bore and stroke.
IP RatingIP65Dust-tight and protected against water jets.IEC 60529

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Cylinder Barrel
    Forms the pressure chamber and guides the piston
    Material: Aluminum alloy or steel
  • Piston Part
    Separates pressure chambers and transfers force to rod
    Material: Aluminum with seals
  • Piston Rod Part
    Transmits linear force to external load
    Material: Hardened steel
  • End Caps Part
    Seal cylinder ends and provide mounting points
    Material: Aluminum or cast iron
  • Seals Part
    Prevent air leakage between chambers
    Material: Polyurethane or nitrile rubber

Applied To / Applications

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

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 10 bar (150 psi)
other spec: Flow rate: 0.1-100 L/min, Slurry concentration: Not applicable (clean, dry air required)
temperature: -20°C to 80°C
Media Compatibility
✓ Clean, dry compressed air ✓ Inert gases (e.g., nitrogen) ✓ Non-corrosive industrial atmospheres
Unsuitable: High-moisture or corrosive environments (e.g., salt spray, chemical exposure)
Sizing Data Required
  • Required force (N 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 (dust, moisture, particulates) leading to wear, chemical incompatibility with lubricants or process media, or excessive temperatures beyond seal material limits.
Rod scoring or bending
Cause: Misalignment during installation or operation, side-loading forces, inadequate rod support (e.g., missing or worn rod guides), or ingress of abrasive contaminants.
Maintenance Indicators
  • Audible hissing or air leakage around cylinder seals or fittings during operation
  • Erratic or jerky motion, slow extension/retraction, or failure to reach full stroke
Engineering Tips
  • Implement proper air preparation: use filtered, lubricated, and dry compressed air with regulators set to manufacturer-specified pressure to prevent contamination and moisture damage.
  • Ensure precise alignment during installation and use appropriate mounting hardware (e.g., clevis mounts with pivot points) to minimize side-loading and extend rod and seal life.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 15552:2004 (Pneumatic fluid power - Cylinders) ANSI/NFPA T3.6.7 R1-2015 (Fluid power cylinders - Bore and rod area - Metric series) DIN ISO 6431 (Pneumatic cylinders - 1000 kPa (10 bar) series)

Quoted from the published standard.

Manufacturing Precision
  • Bore diameter: +/-0.02 mm
  • Rod straightness: 0.1 mm per 100 mm length
Quality Inspection
  • Pressure test (leakage and burst)
  • Dimensional verification (bore, rod, mounting dimensions)

Manufacturers of Pneumatic Cylinder

10 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

AKS Pneumatic Components Co., Ltd.
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
AUTORUN Control
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Fescolo Pneumatic Co., Ltd.
Ningbo, Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
GEYA
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
HEBAI
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
HTS NEW MATERIALS
Jiangxi, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Jiangxi YiKai Electric Co., LTD
Jiangxi, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Ningbo Smart Pneumatic Co., Ltd.
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Prius pneumatic Company
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Titan Automation
Zhejiang, CN
Also makes: Pressure Regulator, Solenoid Valve, Gate/Valve and 2 more
Listed on the company's own website · profile compiled by CNFX from public sources
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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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Frequently Asked Questions

What are the standard bore sizes for this pneumatic cylinder?

According to the directory data, bore sizes range from 32 to 320 mm, following ISO 15552. Custom diameters may be available on request, but you must confirm with the manufacturer.

What is the maximum stroke length?

Standard stroke lengths are from 25 to 2000 mm, with custom strokes up to 3000 mm possible. Always verify the exact stroke capability for your specific model with the supplier.

What operating pressure range is supported?

The operating pressure range is 0.1 to 1.0 MPa. For higher pressures, reinforced seals are required. Confirm the pressure rating with the manufacturer for your application.

What IP rating does the cylinder have?

The IP rating is IP65, meaning it is dust-tight and protected against water jets. This is per IEC 60529. Verify that this rating meets your environmental requirements.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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