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Activair.cz > Products > Vacuum componets – ISO-KF (NW), ISO-K, ISO-F, CF > CF Flanges & Components > Double-Faced CF Flanges > Double-Faced CF Flanges
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 |
