Detailed Product Description

Backup Rings are used in conjunction with O-ring for bothstatic and dynamic sealing applications. They prevent extrusion of the O-ringwhen it is subjected to high pressures, or when the extrusion gaps areexcessive. Wherever possible two Back-up rings should be used, one on each sideof the O-ring.  

Material:

P.T.F.E or P.T.F.E. with filled grades such Bronze, Glass,Graphite