CF Full Nipples

We fabricate these CF nipples (spools) for UHV systems from 304L stainless steel tubing and knife-edge (ConFlat) flanges. The CF flange is the most widely used for high vacuum and UHV applications. Many gauges, instruments, accessories and feedthroughs are available on this flange system.

CF Nipples Feature:

  • Half nipples feature one fixed flange (either tapped or through-hole bolt holes)
  • Full nipples feature one fixed and one rotatable flange (through-hole bolt holes)
  • Conical and straight reducer nipples adapt two different flange sizes
  • Common lengths and tube diameters listed
Flange Size Dim A Nominal Tube
O.D.
Weight
kg
DN16CF 76.2 19.1 0.22
DN25CF 104.1 25.4 0.45
DN35CF-DN40CF 125.2 38.1 0.68
DN35CF-DN40CF 125.2 41.4 0.68
DN50CF 163.3 50.8 1.13
DN63CF 209.6 63.5 1.36
DN75CF 179.3 76.2 2.49
DN100CF 269.8 101.6 4.3
DN125CF 250.7 127 4.98
DN160CF 333.3 152.4 7.25
DN200CF 406.4 203.2 12.47
DN275CF 508 254 26.3

 

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