Piston Rings

We supply piston rings for labyrinth seal designs where sealing air and gas is critical. We provide rings made from a variety of materials, various designs, and diverse applications. 

Piston Ring Types


Piston Rings

Ergoseal can supply a variety of piston rings for a wide array of sealing applications.


  • Expanding
  • Contracting
  • One-piece
  • Two- and three-piston ring combinations
  • Pinned
  • Marcel springs (assembled & unassembled)


  • 300 & 400 Series Stainless Steel
  • 17-4 PH®
  • 17-7 PH®
  • Inconel®
  • Stellite®
  • Waspaloy®
  • Vespel DuPont®
  • Aluminum Bronze
  • Aluminum Alloy
  • A286
  • Hastelloy®
  • Torlon®
  • Titanium®

Custom solutions

While OEM seals suffice for some applications, many use cases require custom sealing solutions.

Whether you need a seal that meets specific performance requirements or can withstand extreme operating conditions, Ergoseal offers the in-house design and rigorous testing expertise to ensure your custom seal meets your precise specifications and performs in even the most demanding environments. 


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Have a project? Tell us how we can help.

If you have a question about our products or need help with a custom sealing solution, we'd love to hear from you. Give us a few details regarding your project and we'll be happy to help. 

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