Siemens 257-02046 MT SERIES 2W VALVE ASSY, ANSI 250, NO, MOD EQ PCT, 1", FXF, 10 CV, 3-8 PSI SRSiemens 257 02046 MT Series 2W Valve Assy, ANSI 250, NO, Mod Eq Pct, 1", FxF, 10 Cv, 3 8 psi SRThis Valve Assembly is a Powermite 599 MT Series, ANSI Class 250, 2 W, NO, Modified Eq Pct, 10 Cv, FxF, 1 In, Bronze Body, Includes MT Series 2 In Pneumatic Actuator with 3 8 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, 10 Cv, FxF, 1 In, Brass Body,