Click to enlarge

2.50" Tube OD	
4.50" OD Double Sided Conflat

4.50" OD Double Sided Conflat
2.50" Bore Size

• A: 2.51"
• B: 0.68"
Price Drop

4.50" OD Double-Sided CF Conflat Flange
• Double Faced 450 CF Flange
• Knife Edge on Both Sides

• 8 Clearance (Thru) Holes
• Hole Diameter: 0.33"
• Non-Rotatable
• 304 Stainless

4-1/2" OD CF Conflat Flange Equivalents:
450CF, DN63CF, NW63CF, CF63, CF64 CF450

Double-Faced Conflat Flanges (CF)
High Vacuum & Ultra High Vacuum (UHV) Flanges

450-250-D Compare to: 100885029 DFF450X250 450-250D 140021 FD-450250

4.50" Double Sided CF 2.50" Tube OD

450-250-DPrice: $108.00Price Drop: $72.00

Click to enlarge
Click to enlarge
4.50" OD Conflat Series Hardware

View ALL 4.50" CF Double Sided Flanges

4.50" OD Double Sided Conflat Flange
Accessories Below

Copper Gaskets - 4.50" OD Conflat
Viton Gaskets - 4.50" OD Conflat
Bolt Kit (BKD Series) - 4.50" OD Double Sided Conflat
Plastic Caps 4.50" OD Conflat

Contact LDS Vacuum with any questions:
Phone (407)862-4643 via Fax (407)862-8723 or

LDS Vacuum Products is a 100% woman owned company and
certified Woman Owned Small Business (WOSB)
The logos and/or trademarks appearing on this page are not owned by or registered to LDS but, rather, designate products sold by LDS, and are owned and/or registered to the manufacturers or suppliers of the products.