Back-up ring NBR

In combination with an O-ring or an X-ring, back-up rings are used to prevent the problem of extrusion under high pressure. It is a simple, fast, and effective solution to implement.

Back-up rings are available in NBR in various dimensions ans can be machined in other materials such as PTFE.
Item code Inner Ø OR CS O-ring BU No. Material Hardness Stock Prod.