KF (QF) Full Nipples (304L SS)

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.

KF Nipples Feature:

  • Available in 304L stainless steel, brass (half nipples only), or aluminum 6061-T6
  • Half nipples feature one KF flange
  • Full nipples feature two KF flanges
  • Conical and straight reducer nipples adapt two different flange sizes
  • Common lengths and tube diameters listed
Flange Size Dim A Weight
KF16 80 0.22
KF16 320 0.34
KF25 100.1 0.22
KF25 320 0.34
KF40 130.1 0.22
KF40 320 0.45
KF50 140 0.45
KF50 320 0.68


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