Ball Valve Vzba-4"-Ww-63-T-22-F10-V4V4T Stainless Steel, 2/2-Way, Nominal Width 4", Top Flange F10, Pn63, Welded Ends. Design Structure=2-Way Ball Valve, Type of Actuation=Mechanical, Sealing Principle=Soft, Assembly Position=Any, Mounting Type=Line Installation, Festo