Double-Faced CF Flanges

Double-faced CF flanges feature the same sized knife-edged sealing surface on both sides. 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.

Double-Faced Flange Features:

  • Different from reducer flanges which adapt two different flange sizes
  • Through-hole bolt holes
Flange Size Bore Flange
Thickness
Weight
kg
DN16CF Blank 7.1 0.22
DN16CF 16 7.1 0.22
DN25CF Blank 11.9 0.34
DN25CF 25.4 11.9 0.34
DN35CF-DN40CF Blank 12.7 0.34
DN35CF-DN40CF 38.4 12.7 0.34
DN35CF-DN40CF 38.4 19.1 0.34
DN35CF-DN40CF 38.4 25.4 0.45
DN50CF Blank 15.8 0.68
DN50CF 51.1 15.8 0.45
DN63CF Blank 17.3 1.36
DN63CF 63.8 17.3 1.13
DN75CF Blank 19.1 1.58
DN75CF 76.5 19.1 1.13
DN100CF Blank 19.8 2.49
DN100CF 101.9 19.8 1.58
D1N25CF Blank 21.3 3.62
DN125CF 127.3 21.3 2.26
DN160CF Blank 22.1 5.44
DN160CF 152.9 22.1 2.49
DN200CF Blank 24.6 9.07
DN200CF 203.7 24.6 3.4
DN275CF Blank 28.5 18.59
DN275CF 254.8 28.5 8.16

 

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