Stainless steel sight glass KVP / CVP series

for vacuumflange

HTC sapphire vacuum viewport contains non-magnetic stainless steel, either 304 or 316, and sapphire dielectric only. Surface metallization layer on sapphire disk doesn’t contain any magnetic composition. Proprietary technology of unmatched seal is used in brazing sapphire disk with stainless steel adaptor together, which in turn is tig-welded with stainless steel flange. Our offer of non-magnetic sapphire viewport is the solution if referred distortion of magnetic field by the existence of magnetic material can’t be tolerated in UHV and high energin physical reasch and other high vacuum application.