Siemens FCU Valve VVI46 2-Port and 3-Port Zone Valves PN 16 Technical Data Sheet Hot-pressed brass valve body (EN1982); VXI46.25T: bronze CC491K (Rg5) max. 4% Pb DN 15, DN 20 and DN 25 Manual adjuster Internally threaded connections Rp… to ISO 7-1 (V…I46…) Download PDF Now