Siemens 599-06173 FLOWRITE 5" FLANGED, 3W VALVE, 250CV, BRONZE TRIM, ANSI 250Siemens 599 06173 Flowrite 5" Flanged, 3W Valve, 250Cv, Bronze Trim, ANSI 250The Flowrite 599 Series 3 Way Mixing Valve is designed to work with either pneumatic or electronic actuators. This valve has an iron body, bronze trim, flanged connections, 5" line size, 250 Cv flow rate and is ANSI Class 250. The Flowrite 599 Series 3 Way Mixing Valve is designed to work with either pneumatic or electronic actuators. This valve has an iron body, brass trim,