Introduction
COMBI radial shaft seals are known for their layered construction, offering unmatched protection in rotary systems. By integrating multiple sealing functions into a single component, they address both internal lubricant retention and external contaminant exclusion.
Layered Functional Design
The hallmark of COMBI seals is their multi-lip structure. The primary sealing lip controls oil retention, while the secondary dust lip acts as a barrier against external debris—critical in muddy or dusty working environments.
Material Combination for Longevity
Each material in a COMBI seal serves a dedicated role. Rubber provides flexibility and sealing conformity, metals lend structural rigidity, and Teflon or FKM components enhance chemical and thermal resistance. This synergy extends service life in aggressive applications.
Case Reinforcement and Installation Integrity
The outer metal shell ensures secure press-fit installation. It prevents deformation during assembly, maintaining seal geometry even under radial stress and thermal expansion.
Seal-Lip Surface Finishing
Precision manufacturing ensures that the sealing lip interfaces seamlessly with rotating shafts, minimizing friction and ensuring effective fluid barrier performance at varying shaft speeds.
Versatility in Application
From gearboxes to hydraulic pumps, COMBI seals serve various industries. Their robust build makes them suitable for both static and dynamic sealing tasks in complex operating conditions.
Conclusion
COMBI radial shaft seals offer more than just fluid containment—they embody precision, versatility, and structural intelligence. Their construction provides superior sealing for mission-critical equipment.
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