PTFE backup rings are designed to support O-rings and other sealing elements, helping to reduce extrusion and extend performance in challenging environments. They are often used in fluid systems where pressures, temperatures, or other demanding conditions can impact standard seals. At Valley Seal, we offer PTFE backup rings in a range of standard designs as well as custom options. This allows us to meet a wide variety of application requirements, whether for industrial, aerospace, or other specialized uses. Our backup rings are trusted across industries as reliable anti-extrusion solutions when paired with O-rings. They are available in different configurations to match the needs of unique sealing systems.