Vacuum Optics Catalogue - June 2021

KF and ISO Centering Rings
Specification
O-Ring Options
Nitrile or Viton
Materials
Maximum
Temperature
Aliminium or Stainless Steel
Nitrile 150 °C, Viton 200 °C
KF and ISO
Centering Rings
Torr Scientific supplies a range of centering rings used to seal both KF and ISO high vacuum flanges.
Both the O-ring and the center ring is provided. Nitrile or Viton O-rings and aluminium or stainless
steel inner rings are offered as standard. The centering rings are supplied cleaned and packed for
vacuum applications. The ISO centering rings are also offered with an aluminium trapped outer ring.
Centering rings in other sizes and materials plus mesh centering rings can be quoted on request.
KF Centering Rings
Part Number Size Inner Material O-Ring
TSKF016000ANC KF16 Aluminium Nitrile
TSKF016000AVC KF16 Aluminium Viton
TSKF016000SNC KF16 Stainless Steel Nitrile
TSKF016000SVC KF16 Stainless Steel Viton
TSKF025000ANC KF25 Aluminium Nitrile
TSKF025000AVC KF25 Aluminium Viton
TSKF025000SNC KF25 Stainless Steel Nitrile
TSKF025000SVC KF25 Stainless Steel Viton
TSKF040000ANC KF40 Aluminium Nitrile
TSKF040000AVC KF40 Aluminium Viton
TSKF040000SNC KF40 Stainless Steel Nitrile
TSKF040000SVC KF40 Stainless Steel Viton
TSKF050000ANC KF50 Aluminium Nitrile
TSKF050000AVC KF50 Aluminium Viton
TSKF050000SNC KF50 Stainless Steel Nitrile
TSKF050000SVC KF50 Stainless Steel Viton
ISO Centering Rings
Part Number Size Inner Material O-Ring Trapped Outer
TSIS063000ANC ISO63 Aluminium Nitrile None
TSIS063000ANT ISO63 Aluminium Nitrile Aluminium
TSIS063000AVC ISO63 Aluminium Viton None
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