Siemens 291-03115 VALVE ASSY 2W NO, 1-1/2" 25CV EQ PCT SS TRIM PROP FXF, EL-HYDRAUL ACT SRSiemens 291 03115 Valve assy 2W NO, 1 1 2" 25Cv Eq Pct SS Trim Prop FxF, El Hydraul Act SR Flowrite 599 Series Valve Assembly features a proportional control (0 to 10 Vdc or 4 to 20 mA), spring return, 24 Vac electro hydraulic actuator with 3 4 inch stroke. The 2 way, normally open, 1 1 2 inch, 25 Cv valve assembly is ANSI Class 250 and has an equal percentage characteristic, stainless steel trim, and female x female end connections. Additional