450-CUBE 
DN63CF 6 WAY CONFLAT UHV CUBE 
4-1/2" OD CF Conflat Flange Series 
• Weight: 14 lbs
• A: 2.23" 
• Porting is 2-1/2" 
• Former PN: 450-CU 
 6-Way Cube for Ultra High Vacuum 
UHV Applications 
 4-1/2" OD Conflat Flange (CF): 
• 8 Tapped Holes 
• 5/16-24 Thread 
•  Uses 450-BT OR 
450-BT-12  Tapped Bolt Kit 
 4.50" OD Conflat Flange (CFF) Equivalents 
450CF, DN63CF, NW63CF, CF63, CF64 
CF450, Del Seal 
 CF Conflat Flange Series Cubes 
Six Way UHV Cubes 
• One Piece Machined, No Welds 
• Tapped Holes, US Threads 
• 304L Stainless, OD Polish 
 UHV, Vacuum Rated: 
• 1x10-13 Torr 
 Helium Leak Tested To: 
• <1x10-9 cc/second 
Temperature Range: 
• -200°C up to 450°C 
 450-CUBE Compare to: CU6-0450 408003 CU250-6 6C-250-CU P106496 CF-6CU-450T 5000582 CF450-CU-2.235