Bored Conflat Flange, 4.50 inch, Bored 2.50 in., Tapped Holes, Rotatable, 4 1/2 inches CF-F, Stainless Steel.

These are Bored tapped 8 bolt holes rotatable flanges, 4 1/2 inch CF, CFF ConFlat (CF). These flanges are used for ultra-high vacuum applications. These fittings use a copper gasket and a knife-edge flange 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"), 2ľ, 4˝, 6, 8, 10, 12, 13Ľ, 14 and 16˝. In Europe and Asia, sizes are given by tube inner diameter in millimeters: DN16, DN40, DN63, DN100, DN160, DN200, DN250. These vacuum fittings are made of corrosive resistant stainless steel. Sold as ONE EACH

Conflat Flange (CF) Bored 8 bolt hole tapped flange rotatable, bored 2.50 inch, CF 4 1/2 inches, Stainless Steel
CF Flange Size: CF 4.50 inch
Common Dimensions:
(A) Outer Diameter = 4 1/2 in. (113mm)
(B) = 2 13/16 in. (72mm)
(C) = 2 7/16 in. (62mm)
(D) = 3/4 in. (19mm)
(E) = 3 5/8 in. (92mm)