Siemens 599-03180 FLOWRITE, 1/2" 2-WAY VALVE, NC, 1 CV, EQUAL PERCENT, BRASS TRIM, FXF, ANSI 250Siemens 599 03180 Flowrite, 1 2" 2 way Valve, NC, 1 Cv, Equal Percent, Brass Trim, FxF, ANSI 250Flowrite, 1 2" 2 Way Valve, 1. 0 Cv, Equal Percentage, NC, FF, Brass Trim, ANSI Class 250, Designed to work with pneumatic or electronic actuators. Globe style control valve has four connection options and a direct coupled bonnet. Additional Information Valve Body StyleStroke Globe Port Configuration2 Way Normally closed End ConnectionFxF Connecting