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O‑rings for biopharmaceutical applications

Effective sealing for all types of biopharmaceutical processing equipment.

  • Biopharmaceutical

The O-ring, or toroidal seal, is an exceptionally versatile sealing device and the world's most popular volume-produced seal. James Walker has been making high specification O-rings for a variety of industrial sectors since this sealing method was introduced in the 1930s.

We hold more than one million O-rings in stock in popular sizes and materials ready for same-day despatch and with an inventory of more than 10,000 moulds can usually supply non-stocked O-rings within days.

Custom O-ring profiles such as D seals can be designed to meet customer requirements.

  • Developed specifically for biopharmaceutical environments
  • Certificated to USP Class VI
  • Ethylene-propylene-diene terpolymer with extremely low extractables
  • Very low compression set for long-term sealing efficiency
  • Animal Derived Ingredient (ADI)-free
  • Excellent resistance to SIP and CIP processes

  • Platinum-cured translucent silicone (VMQ)
  • Certificated to USP Class VI
  • Animal Derived Ingredient (ADI)-free material
  • Low compression set for long-term sealing
  • High temperature resistance

Hygienic clamp gaskets

USP Class VI clamp gaskets manufactured in EPDM and silicone elastomers specifically formulated for biopharmaceutical applications.

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Hygienic clamp gaskets

Expert to Expert

Want to discuss your project, engineering or materials challenge expert to expert? Simply provide us with your contact details and a little information about the application you are working on, and one of our experts will contact you as soon as possible.

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