Siemens 289-06121 VALVE ASSY HI TEMP 2W NO 3" 100CV LIN SS TRIM FLNG FLOAT EL-HYDRAUL ACT SRSiemens 289 06121 Valve assy Hi Temp 2W NO 3" 100Cv Lin SS Trim Flng float El Hydraul Act SR Flowrite 599 Series Valve Assembly features a floating control, spring return, 24 Vac electro mechanical actuator with 3 4 inch stroke. The 2 way, normally open, 3 inch, 100 Cv valve assembly with 3 4 inch stroke is ANSI Class 250 and has a linear characteristic, stainless steel trim, high temp packing, and flanged end connections. Additional Information Valve