Available in a wide variety of polymer jackets including virgin PTFE, filled PTFE and PEEK for harsh chemical and high-temperature environments. Standard and custom groove sizes are available, and our team can reverse-engineer worn parts from samples. Get dependable sealing that reduces downtime, extends equipment life and lowers total ownership cost. Send us your specification today ... https://globalsealstech.com/external-and-internal-spring-seals-usa/