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Backup Rings - Nitrile
Back-up rings do not have a sealing function but are used to prevent gap extrusion. They can be used in combination with O-rings or X-rings, both for static and dynamic loads. The back-up ring prevents the seal from extruding into the sealing gap and thus enables sealing of higher media pressures. Back-up rings are often used in applications with pulsating or varying pressures, such as hydraulic valves and pumps, cylinder bases and heads.

Benefits at a Glance
  • Prevent gap extrusion
  • Range of variants to fit your individual application
 

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