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KF (QF) HV Centering Rings (Stainless Steel)
These centering rings are used for mating 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 Centering Rings Feature:
- Rings available in stainless steel, brass, or aluminum
- Stainless steel and aluminum centering rings available with either fluorocarbon or Buna-N o-rings
- Brass centering rings available with Buna-N o-rings only
Ordering Table
All dimensions listed in the table below, unless otherwise stated, are in inches.
All dimensions listed in the table below, unless otherwise stated, are in millimeters.
(Click column headers to sort data)
| Drawing | Flange OD | Dim A | Dim B | O-Ring Material | Description | Part Number |
|
Price | In Stock | Add To Cart | Accessories | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Drawing | Flange OD | Dim A | Dim B | O-Ring Material | Description | Part Number |
|
Price | In Stock | Add To Cart | Accessories | ||||
|
|
0.37 | 0.47 |
|
CENTERING RING, |
QF10-050-SRV |
|
$7.75 |
|
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|
|
|
0.64 | 0.67 |
|
CENTERING RING, |
QF16-075-SRV |
|
$8.55 |
|
|
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|
|
|
0.93 | 1.03 |
|
CENTERING RING, |
QF25-100-SRV |
|
$11.25 |
|
|
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|
|
|
1.51 | 1.61 |
|
CENTERING RING, |
QF40-150-SRV |
|
$13.50 |
|
|
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|
|
|
1.95 | 2.05 |
|
CENTERING RING, |
QF50-200-SRV |
|
$19.50 |
|
|
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|
|
|
0.37 | 0.47 |
|
CENTERING RING, |
QF10-050-SRB |
|
$5.80 |
|
|
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|
|
|
0.64 | 0.67 |
|
CENTERING RING, |
QF16-075-SRB |
|
$7.25 |
|
|
|||||
|
|
|
0.93 | 1.03 |
|
CENTERING RING, |
QF25-100-SRB |
|
$10.40 |
|
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|
|
|
1.51 | 1.61 |
|
CENTERING RING, |
QF40-150-SRB |
|
$13.00 |
|
|
|||||
|
|
|
1.95 | 2.05 |
|
CENTERING RING, |
QF50-200-SRB |
|
$13.30 |
|
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| Drawing | Flange OD | Dim A | Dim B | O-Ring Material | Description | Part Number |
|
Price | In Stock | Add To Cart | Accessories | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Drawing | Flange OD | Dim A | Dim B | O-Ring Material | Description | Part Number |
|
Price | In Stock | Add To Cart | Accessories | ||||
|
|
|
9.4 | 11.9 |
|
CENTERING RING, |
QF10-050-SRV |
|
$7.75 |
|
|
|||||
|
|
|
16.1 | 17 |
|
CENTERING RING, |
QF16-075-SRV |
|
$8.55 |
|
|
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|
|
|
23.6 | 26 |
|
CENTERING RING, |
QF25-100-SRV |
|
$11.25 |
|
|
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|
|
|
38.4 | 40.9 |
|
CENTERING RING, |
QF40-150-SRV |
|
$13.50 |
|
|
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|
|
|
49.4 | 51.9 |
|
CENTERING RING, |
QF50-200-SRV |
|
$19.50 |
|
|
|||||
|
|
|
9.4 | 11.9 |
|
CENTERING RING, |
QF10-050-SRB |
|
$5.80 |
|
|
|||||
|
|
|
16.1 | 17 |
|
CENTERING RING, |
QF16-075-SRB |
|
$7.25 |
|
|
|||||
|
|
|
23.6 | 26 |
|
CENTERING RING, |
QF25-100-SRB |
|
$10.40 |
|
|
|||||
|
|
|
38.4 | 40.9 |
|
CENTERING RING, |
QF40-150-SRB |
|
$13.00 |
|
|
|||||
|
|
|
49.4 | 51.9 |
|
CENTERING RING, |
QF50-200-SRB |
|
$13.30 |
|
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