Siemens 291-05991 VALVE ASSY 2W NC 3", 100CV, EQ PCT BRONZE TRIM FLANGED PROP EL-HYDRAUL ACT SRSiemens 291 05991 Valve assy 2W NC 3", 100Cv, Eq Pct Bronze Trim Flanged Prop El Hydraul Act SRFlowrite 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 closed, 3 inch, 100 Cv valve assembly with 3 4 inch stroke is ANSI Class 125 and has an equal percentage characteristic, bronze trim, and flanged end connections. Flowrite