B2 - Schoonover, Inc.

Vacuum Fittings
UHV CF Components
UHV CF Components
♦ CF flanges conform to Conflat¨ flange specifications and conform to
the international standard
♦ Stainless steel fittings comply with the published specifications
Nominal Diameter
A O.D. B C D E Number of Holes
DN 16 CF 34 1 1/3" 27 Ð 4.3 1.2 6
DN 40 CF 69.5 2 3/4" 58.7 Ð 6.6 1.2 6
DN 63 CF 113.5 4 1/2" Ð 92.2 8.4 1.2 8
DN 100 CF 152 6" Ð 130.3 8.4 1.2 16
DN 160 CF 202.5 8" Ð 181 8.4 1.2 20
DN 200 CF 253 10" Ð 231.8 8.4 1.2 24
DN 250 CF 305 12" Ð 284 8.4 1.2 32
DN 300 CF 368 14 1/2" Ð 338.1 10.5 1.2 32
DN 350 CF 419 16 1/2" Ð 388.9 10.5 1.2 36
Connection Elements
Hexagonal Bolts
with Nuts
Required Torque
DN ... CF Ordering No. A B Set of (lubricated)
16 213-401 20 3.2 25 x M 4 4 Nm
40 213-402 35 5 25 x M 6 10 Nm
63 213-403 45 6.5 25 x M 8 20 Nm
100 213-404 50 6.5 25 x M 8 20 Nm
160 213-405 55 6.5 25 x M 8 20 Nm
200 Ð 250 213-406 60 6.5 25 x M 8 20 Nm
300 213-408 70 8 34 x M 10 30 Nm
350 213-409 70 8 38 x M 10 30 Nm
B9.26