To make a leak tight UHV seal between two conflat flanges, a gasket is required. OFHC (oxygen free high conductivity) copper is normally used as this sealing material as it is very clean, can easily be formed to shape, has a wide temperature range, and has a low outgassing rate.
| Type | A | B | Oxygen-free Copper | |
| Order no. | weight /kg | |||
| 16 | 21.3 | 16.2 | 7355 | 0.01 |
| 25 | 35 | 25.6 | 7356 | 0.01 |
| 35 | 48.1 | 36.8 | 7357 | 0.02 |
| 50 | 61.6 | 52 | 7358 | 0.02 |
| 63 | 82.4 | 63.6 | 7359 | 0.05 |
| 80 | 99 | 82 | 7360 | 0.07 |
| 100 | 120.5 | 102 | 7361 | 0.07 |
| 150 | 171.3 | 152.5 | 7362 | 0.1 |
| 200 | 222.1 | 203 | 7363 | 0.14 |
| 250 | 273.1 | 254 | 7364 | 0.2 |
Standard size: CF16, CF25, CF35,CF50, CF63, CF80, CF100, CF150, CF200, CF250.
We also manufacture the non-standard copper gasket seals upon your requirement.
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