Garlock PS-Seals

Garlock PS-Seals are known as reliable shaft seals for rotating shafts that have to function at high circumferential speed, high pressure, abrasive and aggressive media and extreme temperatures. In these circumstances the 'standard' oil seal usually does not function, because the sealing lips are made of elastomers. PS-Seals are used for various applications, but can also be used as replacements for mechanical seals and braided packaging. These seals work with a sealing lip of Gylon or other modified PTFE's. Garlock produces Gylon in a specially developed process.


The PS-Seals are available in different materials:

  • Gylon Black: Standard Gylon material.
  • Gylon White: Can be used for pharmacy and food.
  • Gylon Blue: Can be used for pharmacy and food. Best choice for low shaft roundness and good for dry running.
  • F (Econol): Can be used for pharmacy and food. Best choice for high speeds where gas tightness is important and good for dry running.
  • MS (Molybdenum Sulphide): Well suited for abrasive media
  • KF (Carbon Fiber): Good for dry running and well suited for abrasive media.


Gylon is a high-performance oil seal PTFE material. These seals give you a good seal that gives little leakage and more uptime. Even in the most challenging chemical and corrosive environments, a gylon seal gives you security.


  • Standard: Garlock shaft seal made of stainless steel in the housing. The standard PS-Seal has a sealing lip made of gylon black and a static sealing element made of FKM.
  • Non-Standard: Shaft seals in standard sizes with various configurations of both sealing lip and lip sealing materials.
  • Special: Has several sealing options with single and multiple lip designs. Engineered to deliver cost-effective specialty solutions.

Advantages and features of PS-Seals

  • Temperature resistant from -90°C to +260°C
  • Vacuum and high pressure resistant
  • Functional under heavy duty applications
  • Very good chemical resistance
  • FDA

If you would like more information about PS-Seal or if you do not know which PS-Seal you should have, please feel free to contact us.

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We would love to be of assistance to you in all your sealing inquiries on Oil Seals, Radial Shaft Seals & Radial Seals

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