These replacement elastomeric o-rings are used (in conjunction with a centering ring - not included) for sealing KF flanges. The KF (QF) flange is used for through or foreline vacuum plumbing and for simple HV chamber ports.
Flange Size | Material | O-Ring ID | O-Ring Cross Section |
KF10 | Fluorocarbon | 15.2 | 5.3 |
KF16 | Fluorocarbon | 18.3 | 5.3 |
KF25 | Fluorocarbon | 27.9 | 5.3 |
KF40 | Fluorocarbon | 40.6 | 5.3 |
KF50 | Fluorocarbon | 53.3 | 5.3 |