Siemens 260-02058 VALVE ASSY NO 1/2" 4.0CV, FXF SS TRIM ELECT ACT SR FLOATSiemens 260 02058 Valve assy NO 1 2" 4. 0Cv, FxF SS Trim Elect Act SR float This Powermite 599 MT Series Normally Open Valve Assembly features an electronic actuator with 24 volts AC operating voltage, floating control and Fail safe. The assembly is ANSI Leakage Class IV, has a stainless steel trim and a female to female connection. This assembly has a flow rate of 4. 0 Cv, and a line size of 1 2". Additional Information Valve TypeTwo way Port