KF(QF) Stainless Steel Half Nipples

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
KF10 14 70 10 14 0.11
KF16 20 70 16 20 0.11
KF25 28 70 24 28 0.11
KF40 44.5 70 40.5 44.5 0.11
KF50 57 70 51 57 0.11

 

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