MDC Conflat DN63CF Flange w Shutter Valve 1/2" Ultra Torr UHV Ultra High Vacuum

MDC Conflat DN63CF 4.5" CF Flange w/ 1/2" Shutter Pinch Manual Valve Ultra Torr UHV Ultra High Vacuum Used see photos. The ultra-torr fitting opening accommodates 1/2" OD tubes. Flange has two threaded side ports, one of which has a Swagelok toggle valve.The "shutter" has a variable linear opening that varies with the manual screw height of the apparatus. Knife edge in good condition. ZV