Siemens 256-02058A MT SERIES 2W VALVE ASSY, ANSI 250, NO, MOD EQ PCT, 1/2", FXF, 4 CV, 10-15PSI SRSiemens 256 02058A MT Series 2W Valve Assy, ANSI 250, NO, Mod Eq Pct, 1 2", FxF, 4 Cv, 10 15psi SRThis Valve Assembly is a Powermite 599 MT Series, ANSI Class 250, 2 W, NO, Modified Eq Pct, 4 Cv, FxF, 1 2", Bronze Body, Includes MT Series 2 In Pneumatic Actuator with 10 15 psi SR, Used for control of hot or chilled water for convectors This Valve Assembly is a Powermite 599 MT Series, ANSI Class 250, 2 W, NO, Modified Eq Pct, 4 Cv, FxF, 1 2", Brass