TFC Ltd. Datasheets for Back-up Rings
Back-up rings or anti-extrusion rings are washer-like devices used to prevent seals from extruding through gaps while under pressure. Seals are installed in the downstream side of the gland.
Back-up Rings: Learn more
|Spiral, Single Cut and Solid PTFE as well as Rubber and Polyurethane Contoured back-up rings.