PTFE LIP SEAL

Advantages of PTFE Lip Seal Design:

The PTFE lip seal significantly enhances bearing performance by overcoming limitations typically encountered in conventional bearing systems, such as noise suppression, leakage prevention, and pressure resistance. By minimizing air friction, this design improves operational efficiency and maintains outstanding performance across a wide range of environments.

Challenges and Solutions in Dynamic Shaft Seal Design:

Material selection for the lip is critical in dynamic shaft seal applications. To extend service life, improve load capacity, and reduce wear, we have optimized performance for friction scenarios involving air, liquids, chemical solutions, and vacuum conditions. In particular, industries such as food processing, medical devices, and pharmaceuticals impose stringent requirements on particulate generation, especially under high-temperature conditions—an essential focus of our design approach.

Design Optimization for Harsh Environments:

When operating under harsh conditions, lip seals must exhibit both high hardness and elasticity to ensure effective sealing. Our design incorporates oil-impregnated lips and oil return grooves to improve lubrication during high-speed operation. Even in dry-run conditions, the oil-impregnated lip prolongs seal life, while the directional oil return groove enhances system performance by aligning with shaft rotation.

Thermal Management in High-Temperature Application:

In high-temperature applications, effective thermal dissipation is more critical than heat resistance alone. Our heat-dissipative design minimizes thermal expansion’s impact on sealing effectiveness and prevents molecular hardening of the lip material. This is vital for actuation systems relying on rotational power transmission, ensuring the sustained efficiency of machine tools and related equipment.

Material Selection and Customized Solution:

From single-lip to multi-lip designs, we offer a wide range of sizes from compact to large-scale seals. Material selection is precisely tailored to specific application requirements. For non-standard specifications, we provide fully customized solutions to ensure maximum customer satisfaction.
 

Application Field:

• Automotive Industry: Shaft seals for engines, transmissions, and differentials.

• Chemical Equipment: Prevents chemical leakage and internal contamination.

• Food and Pharmaceutical Industry: Suitable for high-purity production environments.

• Mechanical and Automation Equipment: Ensures lubrication and shaft protection, extending equipment lifespan.