We fabricate these KF (QF) nipples (spools) for HV systems from tubing and KF flanges. The KF (QF) flange is used for through- or foreline vacuum plumbing and for simple HV chamber ports.
Flange Size | Dim A | Dim B | Dim C | Nominal Tube O.D. | Weight kg |
KF16 | 12.7 | 25.4 | 9.7 | 12.7 | 0.11 |
KF16 | 15.8 | 25.4 | 12.7 | 16 | 0.11 |
KF16 | 19.1 | 25.4 | 16 | 19.1 | 0.11 |
KF16 | 22.1 | 25.4 | 19.1 | 22.4 | 0.11 |
KF25 | 25.4 | 35.1 | 22.4 | 25.4 | 0.11 |
KF25 | 28.7 | 35.1 | 25.4 | 28.7 | 0.11 |
KF40 | 38.1 | 40 | 34 | 38.1 | 0.11 |
KF40 | 41.4 | 40 | 37.1 | 41.4 | 0.11 |
KF50 | 50.8 | 40 | 46.7 | 50.8 | 0.11 |
KF50 | 54.1 | 40 | 49.8 | 57.2 | 0.11 |