Click to enlargeCF Conflat Flanges

CFF Conflat Flanges (Fixed)
• Non-Rotatable Blank Flanges
• Non-Rotatable Bored Blanks
• Del Seal Conflat Flange (CF) Equivalent
• 304 Stainless
• 1x10-13 UHV Rating
• 450 degree High Temperature Rated
• Tapped or Clearance (Thru) Bolt Holes

High Vacuum and Ultra High Vacuum (UHV) Flanges

Maximum Torque for Vacuum Tight Seals

1.33" OD

5 ft/lbs.

2.12" -2.75" OD

16 ft/lbs.

3.38" -16.50" OD

26 ft/lbs.

Over-torqueing can result in broken bolts





1.33" OD Conflat Flange
2.12" OD Conflat Flange
1.33" OD Conflat Flange

6 Holes, Non-Rotatable

2.12" OD Conflat Flange

4 Holes, Non-Rotatable

2.75" OD Conflat Flange
3.38" OD Conflat Flange
2.75" OD Conflat Flange

6 Holes, Non-Rotatable

3.38" OD Conflat Flange

8 Holes, Non-Rotatable

4.50" OD Conflat Flange
4.62" OD Conflat Flange
4.50" OD Conflat Flange

8 Holes, Non-Rotatable

4.62" OD Conflat Flange

10 Holes, Non-Rotatable

6.00" OD Conflat Flange
6.75" OD Conflat Flange
6.00" OD Conflat Flange

16 Holes, Non-Rotatable

6.75" OD Conflat Flange

18 Holes, Non-Rotatable

8.00" OD Conflat Flange
10.00" OD Conflat Flange
8.00" OD Conflat Flange

20 Holes, Non-Rotatable

10.00" OD Conflat Flange

24 Holes, Non-Rotatable

12.00" OD Conflat Flange
13.25" OD Conflat Flange
12.00" OD Conflat Flange

32 Holes, Non-Rotatable

13.25" OD Conflat Flange

30 Holes, Non-Rotatable

14.00" OD Conflat Flange
14.50" OD Conflat Flange
14.00" OD Conflat Flange

30 Holes, Non-Rotatable

14.50" OD Conflat Flange

32 Holes, Non-Rotatable

16.50" OD Conflat Flange
16.50" OD Conflat Flange

36 Holes, Non-Rotatable


LDS will be CLOSED: Friday, March 29, 2024

Contact LDS Vacuum with any questions:
Phone (407)862-4643 via Fax (407)862-8723 or
info@ldsvacuum.com

LDS Vacuum Products is a 100% woman owned company and
certified Woman Owned Small Business (WOSB)
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