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
| Flange OD | Dim
A | Dim
B | Weight
lbs (kg) | PartNo | Price | | | | KF10-KF16 | 0.398" | 0.675" | 1/4 (0.11) | QF10-16-AARB | $5.15 | | | | KF20-KF25 | 0.810" | 1.025" | 1/4 (0.11) | QF20-25-AARB | $6.20 | | | | KF32-KF40 | 1.260" | 1.611" | 1/4 (0.11) | QF32-40-AARB | $8.80 | | |
PN02461 |
