Back-up Rings are installed together with O-Rings and Quad-Ring® Seals 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.
| Trelleborg Sealing Solutions Americas | |
|---|---|
| Product Category | Dynamic Seals |
| Product Name | Back-up Ring concave |
| Seal Type | Back-up Ring; Static Seals |
| Design Units | Metric |
| Shaft O.D. or Seal I.D. | 0.1142 inch (2.9 mm) |
