Siemens 258-02067 MT SERIES 3W VALVE ASSY, ANSI 250, LINEAR, 1/2", FXF, 1.6 CV, 8-13 PSI SR, PNUSiemens 258 02067 MT Series 3W Valve Assy, ANSI 250, Linear, 1 2", FxF, 1. 6 Cv, 8 13 psi SR, PnuThis Valve Assembly is a Powermite 599 MT Series, ANSI Class 250, 3 W, Mix, Linear, 1. 6 Cv, FxF, 1 2", Bronze Body, Includes MT Series 2 In Pneumatic Actuator with 8 13 psi SR, Used for control of hot or chilled water for convectors This Valve Assembly is a Powermite 599 MT Series, ANSI Class 250, 3 W, Mix, Linear, 1. 6 Cv, FxF, 1 2", Brass Body, Includes