Siemens 277-06150 VALVE ASSY 2W NC 2-1/2", 63CV, LIN, SS TRIM FLANGED 8" PNEU ACTSiemens 277 06150 Valve assy 2W NC 2 1 2", 63Cv, Lin, SS Trim Flanged 8" Pneu Act Flowrite 599 Series Valve Assembly features a 8 inch pneumatic actuator with 5 psi span. The 2 way, normally closed, 2 1 2 inch, 63 Cv valve assembly with 3 4 inch stroke is ANSI Class 250 and has a linear characteristic, stainless steel trim, and flanged end connections. Additional Information Valve Body StyleStroke Globe Port Configuration2 Way Normally closed End