Siemens 599-01139 MZ SERIES 3-WAY VALVE 1", 10 CV, LINEAR, BRASS TRIM, FXF, ANSI 250Siemens 599 01139 MZ Series 3 Way Valve 1", 10 Cv, Linear, Brass Trim, FxF, ANSI 250This Valve is a Powermite MZ Series, ANSI Class 250, 3 W, Mix, Linear, 10 Cv, FF, 1", 200 N, Bronze Body, Brass Trim, Designed to work with SSB MZ Series Actuator, Used for control of hot or chilled water for convectors and fan coil. This Valve is a Powermite MZ Series, ANSI Class 250, 3 W, Mix, Linear, 10 Cv, FF, 1", 200 N, Brass Body, Brass Trim, Designed to work