TSS Back-up Rings

          

Back-up Rings are installed together with O-Rings and Quad-Ring® Seals / 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, Turcon®, elastomers and thermoplastics based on ISO 3601, AS 568.