Conflat Flange (CF) Borosilicate Glass Adapter 1-1/2 inch to CF 2-3/4 inch, Schott 8250, Kovar

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Conflat Flange (CF) Pyrex Glass Adapter 1 1/2 inch O.D. to CF 2-3/4 inch, Stainless Steel These Pyrex Glass to Stainless Steel Conflat adapter vacuum fittings have a flange size of ConFlat (CF) 2-3/4 inch to O.D.1.5 inch Pyrex Glass. ConFlat (CF) flanges are used for ultra-high vacuum applications. These fittings use a copper gasket and knife-edge flanges to achieve the high vacuum seal and can operate down to 10-13 torr (10-11 Pa) and can be heated to 450 °C for bake-out. North American flange sizes are given by flange outer diameter in inches: 1-1/3 ("mini conflat"), 2¾, 4½, 6, 8, 10, 12, 13¼, 14 and 16½. In Europe and Asia, sizes are given by tube inner diameter in millimeters: DN16, DN40, DN63, DN100, DN160, DN200, DN250.Conflat Flange (CF) 1.5 inch to Pyrex Glass Adapter to CF 2-3/4 inch, Stainless Steel FittingsCF Flange Size: CF 2-3/4 inch Stainless Steel to 1.5 inch O.D. Pyrex Glass AdapterCommon Dimensions: A= Glass Diameter 1.5 inch B= Length 4" inches