... x-ray tubes 3-apply to x-ray tubes, CT tubes, HT generators, etc. 4-filter/degass Model Vacuum X-Ray ... machines, high voltage generators and spherical tubes. It's mainly to do vacuum dry, vacuum oil filling, maintenance, purification of insulation ... available functions include:· High-vacuum degasification, dehydration and filtration of dielectric fluid for oil-filled tubes.· Total acid number ...