Backup Rings (Anti-Extrusion) Devices are used in high pressure applications where standard elastomers would extrude or be damaged.
Backup Rings can be manufactured from a variety of materials include Nitrile, Polytetrafluoroethylene (PTFE) or PTFE blends.
Backup Rings can be flat or contoured depending on requirements and solid, scarf cut or spiral cut to allow installation in aftermarket applications.
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