Siemens 290-06160 VALVE ASY 3W MIX 2-1/2" 63CV EQ PCT/LIN BRNZE TRIM FLANGED FLOAT EL-HYD ACT NSRSiemens 290 06160 Valve asy 3W Mix 2 1 2" 63Cv Eq Pct Lin Brnze Trim Flanged float El Hyd Act NSRFlowrite 599 Series Valve Assembly features a floating control, non spring return, 24 Vac electro mechanical actuator with 3 4 inch stroke. The 3 way, mixing, 2 1 2 inch, 63 Cv valve assembly with 3 4 inch stroke is ANSI Class 125 and has an equal percentage linear characteristic, bronze trim, and flanged end connections. Flowrite 599 Series Valve Assembly