Profile: VG Scienta Ltd specializes in vacuum components and UHV systems. Our vacuum components include HV & UHV flanges & fittings, feedthroughs, viewports & viewport shutters, angle & straight through valves, rotary & linear drives, pumps & traps, pressure measurement and chambers & fabrications. Our magnetically-coupled drives use a high strength rare-earth magnetic coupling to transfer the rotational forces into the vacuum envelope.