Siemens 289-05951 VALVE ASSY 2W NC 3", 100CV, EQ PCT BRONZE TRIM FLANGED FLOAT EL-HYDRAUL ACT SRSiemens 289 05951 Valve assy 2W NC 3", 100Cv, Eq Pct Bronze Trim Flanged float El Hydraul Act SRFlowrite 599 Series Valve Assembly features a floating control, spring return, 24 Vac electro mechanical 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 250 and has an equal percentage characteristic, bronze trim, and flanged end connections. Flowrite 599 Series Valve Assembly