Conflact flange Oxygen Free Copper Gaskets

Conflact flange Oxygen Free Copper Gaskets

Product number:KXT 1230

Quick Overview: 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.

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Product Description

The vacuum copper gaskets fit CF flange size of CF16 ~ CF250. Vacuum fittings use a knife-edge cf flange to achieve the high vacuum seal

gasket and can operate down to 10-13 torr (10-11 Pa) and can be heated to 450 °C for bake-out. CF flange copper gaskets are used for

ultra-high vacuum applications. Vacuum fittings are made of High purity, electronic grade oxygen-free copper gasket.


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


Thickness: 2mm, 2.2mm

CF flange copper seal gasket

Standard size: CF16, CF25, CF35,CF50, CF63, CF80, CF100, CF150, CF200, CF250.

We also manufacture the non-standard copper gasket seals upon your requirement.