  
4.50" OD CF Conflat Flange
8-Clearance (Thru) Holes
• 0.332" Bolt Hole Diameter
• DN63CF Rotatable Flanges
• 304 Stainless Steel
4-1/2" OD CFF Conflat Flange, Same As:
450CF, DN63CF, NW63CF, CF63, CF64
CF450, Del Seal
High Vacuum & Ultra High Vacuum (UHV) Flanges
4.50" OD (DN63CF) Rotatable CF Flanges
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