Back-up Rings for Oil & Gas Applications - Trelleborg
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8. Parbak - Back up rings - O-Rings-Stock O-Ring Webshop
Global O-Ring and Seal on Twitter: "Requesting for backup? We have backup rings readily available in NBR, Viton, and Teflon (Solid, Split, and Spiral versions). Use our Backup Ring Size Chart here
O-Rings? O-yeah! How to Select, Design, and Install O-Ring Seals – Tarkka
Back-up ring - Anti-extrusion ring - FRANCE JOINT
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What are Back-up Rings/Anti Extrusion Rings Guide - Barnwell : Barnwell