Siemens 599-06140 FLOWRITE 2 1/2" FLANGED, 2-WAY VALVE, NO, 63 CV, LINEAR, SS TRIM, ANSI 250.Siemens 599 06140 Flowrite 2 1 2" Flanged, 2 Way Valve, NO, 63 Cv, Linear, SS Trim, ANSI 250. Flowrite, 2 1 2" 2 Way Valve, Flanged, Iron Body, 63 Cv, Linear NO, SS Trim, ANSI Class 250; Designed to work with pneumatic or electronic actuators. For normal duty applications. Additional Information Valve Body StyleStroke Globe Port Configuration2 Way Normally open End ConnectionFlanged Connecting threadValve flange face to face dimensions meet ISA 75. 03