Siemens 254-01137 MZ SERIES 3W VALVE ASSY, ANSI 250, LINEAR, 1/2", FXF, 4 CV, 200N, ELECT/MECHSiemens 254 01137 MZ Series 3W Valve Assy, ANSI 250, Linear, 1 2", FxF, 4 Cv, 200N, Elect MechThis Valve Assembly is a Powermite 599 MZ Series, ANSI Class 250, 3 W, WM, Linear, 4 Cv, FxF, 1 2", 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, 3 W, WM, Linear, 4 Cv, FxF, 1 2", 200 N,