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Flanges & Components > KF (QF) Flanges & Components > KF (QF) O-Rings & Centering Rings

KF (QF) Adaptive Centering Rings

These centering rings are used for mating different size KF flanges and include both the centering ring and o-ring. The KF (QF) flange is used for through- or foreline vacuum plumbing and for simple HV chamber ports.

KF Adaptive Centering Rings Feature:

  • Rings available in stainless steel or aluminum
  • Stainless steel centering rings come with fluorocarbon o-rings
  • Aluminum centering rings come with Buna-N o-rings
  • Allows the mating of two different, but close, sized flanges

Dimensional Drawings

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Ordering Table

(Click column headers to sort data)

Flange
Size
Material Dim
A
Dim
B
PartNo Price Add Item
VacuCADSM
Flange
Size
Material Dim
A
Dim
B
PartNo Price Add Item
VacuCADSM
KF10-KF16 Aluminum 0.48 0.68
QF10-16-AARB
$5.40
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KF10-KF16 Aluminum 0.48 0.68
QF10-16-AARV
P.O.R.
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KF10-KF16 Stainless Steel 0.48 0.68
QF10-16-ASRB
P.O.R.
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KF10-KF16 Stainless Steel 0.48 0.68
QF10-16-ASRV
$10.70
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KF20-KF25 Aluminum 0.86 1.03
QF20-25-AARB
P.O.R.
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KF20-KF25 Aluminum 0.86 1.03
QF20-25-AARV
P.O.R.
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KF20-KF25 Stainless Steel 0.86 1.03
QF20-25-ASRB
P.O.R.
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KF20-KF25 Stainless Steel 0.86 1.03
QF20-25-ASRV
$11.00
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KF32-KF40 Aluminum 1.34 1.61
QF32-40-AARB
$9.10
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KF32-KF40 Aluminum 1.34 1.61
QF32-40-AARV
P.O.R.
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KF32-KF40 Stainless Steel 1.34 1.61
QF32-40-ASRB
P.O.R.
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KF32-KF40 Stainless Steel 1.34 1.61
QF32-40-ASRV
$20.60
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