KF (QF) Conical Reducer 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 Dim B Weight
KF25/KF16 16 39.9 0.34
KF40/KF16 16 39.9 0.45
KF50/KF16 16 39.9 0.45
KF40/KF25 22.4 39.9 0.45
KF50/KF25 22.4 39.9 0.45
KF50/KF40 41.4 39.9 0.45


DATA | /gallery_1/rozmery_kf_komponentu | KF_Conical_Reducer_Nipples.jpg