KF (NW) Half Nipples (Brass)

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 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

 

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