Back-up Ring

Back-up Rings are installed together with O-Rings and X-Rings to prevent gap extrusion in applications above 5 MPa / 725 psi. Available in spiral, cut, or uncut designs in filled or unfilled PTFE, elastomers, and thermoplastics based on ISO 3601, AS 568.

ast sealing back-up ring
Technical Details
Ø - Range Pressure Range Temp. range Velocity
from 2.9 mm
from 0.115 in
250 MPa
36,250 psi
-200 ° C + 260 ° C
-325 ° F + 500 ° F
0,5 m/s
1,6 ft/sn
Catalogs
Document Name Download
Back-up Ring Metric + Inch (EN) Download