Daemar 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
Product Name | Notes |
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Molded of a 90A Durometer Buna-N Rubber. The 574 Style dished Cross section back-up rings provide excellent extrusion resistance. Stretched for installation, they return quickly to their original size for... |