Siemens 283-06071 VALVE ASSY 2W NC 3", 100CV, LIN, SS TRIM FLANGED 8" PNEU ACT W/ POSSiemens 283 06071 Valve assy 2W NC 3", 100Cv, Lin, SS Trim Flanged 8" Pneu Act w pos Flowrite 599 Series Valve Assembly features a 8 inch pneumatic actuator with factory mounted positioner and 5 psi span. The 2 way, normally closed, 3 inch, 100 Cv valve assembly with 3 4 inch stroke is ANSI Class 125 and has a linear characteristic, stainless steel trim, and flanged end connections. Additional Information Valve Body StyleStroke Globe Port