5-Way KF (QF) Crosses

We fabricate these KF (QF) crosses 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.

KF Crosses Feature:

  • Available in 304L stainless steel or aluminum 6061-T6 (4-way standard crosses only)
  • Reducer crosses adapt two different flange sizes
  • Common lengths and tube diameters listed
Flange Size Flange Type Dim A Weight
KF16 Stainless Steel 39.9 0.22
KF25 Stailess Steel 50 0.45
KF40 Stainless Steel 65 0.45
KF50 Stainless Steel 70.1 0.9


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