  
2-3/4" OD CF VCO Female (VCO-F) Adapter
2.75" OD Conflat Flange (CF) Series
• 304 Stainless
• Non-Rotatable
• 6 Clearance (Thru) Holes
• 0.265" Bolt Hole Diameter
2.75" OD CF Conflat Flange (CFF) Equivalents
275CF, CF35, CF38, CF40, CF275
DN35CF, DN40CF, NW35CF
High Vacuum Fitting
VCO Reference Guide
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1/8” = VCO2
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1/2" = VCO8
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1/4" = VCO4
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3/4" = VCO12
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3/8” = VCO6
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1” = VCO16 | |