338xISO80-CR 
ISO80 to 3.38" OD Conflat Flange 
Flange to Flange 
Conflat to ISO High Vacuum Adapter 
 Conical Reducing Nipple 
• A: 4.10" 
• 304 Stainless 
 ISO80 (ISO-K) Series 
• High Vacuum Flange OD: Ø4.33" 
• Tube OD: 3.00" 
• ISO-K Claw Clamp Style 
 ISO80 High Vacuum Flange Equivalents: 
ISO-80, LF80, NW80, NW-80, Large Flange, ISO-LF 
 3.38" OD Conflat Flange (CF): 
• 2.00" Tube OD 
• 8 Clearance (Thru) Holes 
• 0.332" Bolt Hole Diameter 
• Non-Rotatable 
 3-3/8" OD Conflat Flange (CF) Equivalents: 
• 338CF, CF338, DN50CF, NW50CF, 3.375" CFF  
 Compare to: ISO80x338-CR-VE  338xISO80-CR-VE  P104049  5000713 338XLF80-CR ANC-338-ISO-80-OF