Seal & Design has been working with several hydraulic equipment manufacturers in implementing the LTP locking T-seal.  The advantage of having the T-seal backup device lock into the elastomer seal, is a tremendous costing saving during installation, and significantly reduces any damage to the back-up rings during assembly.

Locking T Piston Seals are designed for bi-directional pressure applications and specifically for compression type dynamic sealing.  The backup rings, are typically made from nylon, Teflon, or Peek (for extremely high pressures), and standard elastomer material are Nitrile (Buna-N) and Viton.

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