Siemens 255-01117 MZ SERIES VALVE ASSY, ANSI 250, NO, LINEAR, 1/2 IN FXF, 0.63 CV, EL/MECHSiemens 255 01117 MZ Series Valve Assy, ANSI 250, NO, Linear, 1 2 In FxF, 0. 63 Cv, El MechThis Valve Assembly is a Powermite 599 MZ Series, ANSI Class 250, 2 W, NO, Linear, 0. 63 Cv, FxF, 1 2 In, 200 N, Bronze Body, Includes SSB MZ Series Elect Mech Actuator, Used for control of hot or chilled water for convectors, fan coil units, reheat coils This Valve Assembly is a Powermite 599 MZ Series, ANSI Class 250, 2 W, NO, Linear, 0. 63 Cv, FxF, 1 2 In,