Siemens 366-02027 MT SERIES 2W VALVE ASSY ANSI 250 NC MOD EQ PCT 3/4" FXF 6.3CV 24V FLOAT SRSiemens 366 02027 MT Series 2W Valve assy ANSI 250 NC Mod Eq Pct 3 4" FxF 6. 3Cv 24V float SR This Powermite 599 MT Series Valve Assembly features a 24V, spring return, electro mechanical actuator with floating control. The 3 4 in. line size, 2 way normally closed assembly has a 6. 3 Cv flow rate, stainless steel trim, FxF connection, and a modified equal percentage flow characteristic. The assembly is ANSI Class 250 with a Class IV (0. 01% of Cv)