*Knife Edge Ding* 2.75" Conflat DN35CF To KF40 NW40 High Vacuum Adapter
$69.00
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2.75 "Conflat DN35CF To KF40 NW40 High Vacuum Adapter Knife Edge Damaged Knife edge has small nick- if you use FKM gaskets, this flange will seal fine. You may have mixed luck getting an atomic seal with copper gaskets using the CF side of this flange. SJ
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