Back Up Rings

Back Up Rings (also known as Anti Extrusion Rings) is a firm ring which are often used with O’Rings to prevent extrusion at higher pressures.

DT Seals offers an extensive range of Back Up Ring both Imperial and Metric sizes, and these include Solid, Split, Spiral and Contoured types. We can offer Back Up Rings in various materials, including PTFE, NBR, FKM and Polyurethane.