The ISO-KF Edge Seal Outer Centered is a metal edge seal designed for ISO-KF vacuum connections where no gas permeation is required. It is suitable for cryo, radiation-tolerant, and nuclear applications, is clean room application compatible, and is intended for stainless steel flanges. The catalog specifies that it is used with an ISO-KF clamp for metal seals and is for single use only. This product is available in Aluminium EN AW-1050 and Copper for the standard size groups 10/16, 20/25, 32/40, and 50.