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PU O-Ring

PU O-Ring

PU O-rings are precision-engineered sealing components made from premium polyurethane elastomer. Designed for demanding industrial, hydraulic, and pneumatic applications, these O-rings provide excellent wear resistance, elasticity, and chemical stability. They are ideal for sealing, cushioning, and vibration damping in machinery and equipment, outperforming traditional rubber or metal O-rings in many applications.

Specifications

  • Material: High-quality polyurethane (PU) elastomer
  • Form: O-ring / sealing ring
  • Inner Diameter (ID): Customizable
  • Outer Diameter (OD): Customizable
  • Cross-Section / Thickness: Customizable
  • Hardness: Multiple Shore A grades available
  • Color Options: Standard or custom
  • Resistance: Wear, abrasion, chemical, oil, and impact resistant
  • Temperature Range: Suitable for hydraulic, pneumatic, and industrial applications

 

Key Features & Advantages

  • Excellent Wear & Abrasion Resistance
    Ensures long-lasting sealing performance under repetitive motion
  • Superior Elasticity & Compression Recovery
    Maintains tight seals under pressure and mechanical stress
  • Chemical & Oil Resistance
    Performs reliably in hydraulic fluids, oils, and industrial chemicals
  • Customizable Dimensions & Hardness
    Tailored for OEM machinery, hydraulic systems, or industrial equipment
  • Durable & Long-Lasting
    Reduces maintenance frequency and equipment downtime
  • Easy Replacement & Installation
    Compatible with standard or custom machinery components

 

Typical Applications

  • Hydraulic and pneumatic cylinders
  • Industrial machinery and equipment seals
  • Automotive and aerospace applications
  • OEM replacement for machinery and mechanical assemblies
  • Vibration and leakage prevention in moving parts
  • Fluid transfer systems and pressurized equipment

 

Customization & OEM Support

  • Custom inner diameter, outer diameter, cross-section, and hardness
  • Color options for visual identification or coding
  • Small-batch and large-scale OEM production
  • Technical support for material selection, design, and performance optimization

 

FAQ

Q1: What are PU O-rings used for?
They are used as sealing components in hydraulic, pneumatic, and industrial applications to prevent leaks and maintain pressure.

Q2: Can PU O-rings be customized?
Yes, size, hardness, cross-section, and color can all be tailored to meet industrial or OEM requirements.

Q3: Are polyurethane O-rings durable?
Yes, they provide excellent wear resistance, elasticity, and chemical stability for long-lasting performance.

Q4: Can PU O-rings replace rubber or metal O-rings?
Yes, polyurethane O-rings often offer superior wear resistance and compression recovery compared with traditional rubber or metal alternatives.

Q5: What industries commonly use PU O-rings?
Industrial machinery, hydraulic and pneumatic systems, automotive, aerospace, and OEM manufacturing.

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