O-Rings and Back-up Rings Catalog Updated with AS568
Global O-Ring and Seal, LLC - 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
The Pros And Cons Of PEEK Back-Up Rings
Backup Rings - Backup Seals | Rocket Seals, Inc.
Basic Knowledge [Sealing Business] | AIR WATER MACH INC.