Siemens 371-03203 VALVE ASSY 3W MIX 1" 10CV EQ PCT/LIN BRASS TRIM FXF, PROP ELECT ACT NSRSiemens 371 03203 Valve assy 3W Mix 1" 10Cv Eq Pct Lin Brass Trim FxF, Prop Elect Act NSR Flowrite 599 Series Valve Assembly features a proportional control (0 to 10 Vdc or 4 to 20 mA), non spring return, 24 Vac electronic actuator. The 3 way, mixing, 1 inch, 10 Cv valve assembly is ANSI Class 250 and has an equal percentage linear characteristic, brass trim, and female x female end connections. Additional Information Valve TypeThree way Valve Body