CT Gasket & Polymer Co., Inc. 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
|Backup rings are made of a relatively hard material. They are installed in the gland between an O-ring (or an X-ring) and the low-pressure side of the seal to prevent...|