ConFlat (CF) Copper Gasket DN63CF, Flange OD 4.5, Inner Diameter 2.505, Outer Diameter 3.24

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: DN63CF
Pack Quantity: 10
Flange OD (In) : 4.50
Inner Diameter (In) : 2.505
Outer Diameter (In) : 3.240