Siemens 256-02003 MT SERIES 2W VALVE ASSY, ANSI 250 NC MOD EQ PCT 1/2" FXUM 0.63CV 10-15PSI SRSiemens 256 02003 MT Series 2W Valve assy, ANSI 250 NC Mod Eq Pct 1 2" FxUM 0. 63Cv 10 15psi SRThis Valve Assembly is a Powermite 599 MT Series, ANSI Class 250, 2 W, NC, Modified Eq Pct, 0. 63 Cv, FxUM, 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, NC, Modified Eq Pct, 0. 63 Cv, FxUM, 1 2",