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Replacement O-Rings (Silicone)

These replacement elastomeric o-rings are used (in conjunction with a centering ring -- not included) for sealing ISO flanges. The ISO flange (also called Large ISO) is used for HV chamber ports and is available in two distinct styles; ISO-K which uses clamp fasteners and ISO-F which uses nut and bolt fasteners.

O-Rings Feature:

  • O-Rings available in Viton (fluorocarbon), Buna-N (nitrile rubber), and silicone materials
  • The more popular o-ring sizes for vacuum use are listed below; contact us for other sizes or for application questions

Dimensional Drawings

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Ordering Table

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Contact Us - Replacement O-Rings (Silicone)