Used Flanged Ball Valve, manufactured by Argus, Type FK-L76M, DN 10 inch fb (250mm), material of construction: 316L (1.4581) stainless steel, PN/Class 150, Temp 200degC.  The Argus FK ball valve has a two-piece split body design with flanged connection in between the two halves. The valve is complete with Hytork XL 4580 pneumatic actuator and Accord Ultraswitch rotary limit switch.