ConFlat (CF) Copper Gasket DN250CF, Flange OD 12, Inner Diameter 10, Outer Diameter 10.74

The copper gasket is captured between mating CF flanges. Copper gaskets are made from high-purity, oxygen free 1/4 hard copper which is de-burred, chemically treated and individually packaged to avoid oxidation. If you are operating at a pressure below 10-8 torr, o-ring sealed compression ports limit the system pressure because of leakage and permeation.
Flange Size: DN250CF
Pack Quantity: 1
Flange OD (In) : 12.00
Inner Diameter (In) : 10.000
Outer Diameter (In) : 10.740