PTFE Bronze Wear Ring
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PTFE Bronze Wear Rings

PTFE bronze wear rings are high-performance guiding elements used in hydraulic cylinders to prevent metal-to-metal contact between the piston or rod and the cylinder wall. Manufactured from PTFE filled with 40% bronze, these wear rings offer superior wear resistance, low friction, and excellent chemical compatibility, making them ideal for high-speed, high-load, and aggressive media environments.

PTFE Bronze Wear Rings

Key Features

Made from PTFE with 40% bronze filler for enhanced mechanical strength

Excellent wear resistance and dimensional stability

Low coefficient of friction, reducing heat generation and energy loss

Chemical resistance to hydraulic oils, solvents, and many chemicals

Suitable for dry running and lubricated systems

Prevents metal-to-metal contact, extending cylinder lifespan

Easy installation and available in a wide range of sizes

Technical Specifications

Material: PTFE + 40% Bronze

Temperature Range: -60°C to +200°C

Maximum Speed: 15 m/s

Maximum Surface Pressure: 250 N/mm²

Applications: Reciprocating motion in hydraulic and pneumatic cylinders

Common Applications

Mobile hydraulics and heavy-duty equipment

Construction machinery (e.g., excavators, loaders)

Injection molding machines

Agricultural equipment

Steel and aluminum processing machinery

Presses and lifting systems

Material Comparison

Compared with other wear ring materials like phenolic resin or polyester fabric composites, PTFE bronze wear rings provide significantly lower friction and improved thermal performance, particularly in environments where traditional materials degrade more quickly.

For applications requiring higher load capacity and temperature resistance, consider our phenolic wear rings.

How to Choose the Right Wear Ring

Confirm cylinder type: piston or rod side

Measure housing groove width and depth accurately

Check application parameters: load, speed, media, and temperature

Ensure compatibility with other seals, such as rod seals or piston seals

FAQ

Q: Why choose PTFE with bronze filler?

A: Bronze-filled PTFE offers higher thermal conductivity, better dimensional stability, and greater wear resistance than virgin PTFE.

Q: Can I order custom sizes?

A: Yes. We provide custom-made PTFE bronze wear rings based on your specific groove dimensions and application needs.

Contact Us

Need help selecting the right PTFE bronze wear ring or requesting a quote?

Contact our technical support team at xhh@xhh-smartech.com.

We assist with product selection, sizing, and custom manufacturing.

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