Control Valve - 1

Control Valve Failure Position 1) Failure Open Cases (1) Feed to Heater Tubes (2) Reflux Drum Vapor Outlet (3) Reflux Pump Discharge Valves (4) Control Valves in Min. Flow by-Bass Line, Compressor By-Pass Line, and Reciprocating Machine by-pass Lines. 2) Failure Close Cases (1) Fuel Gas Oil Control Valve to Heater Burners (2) Feed Control Valve to Fractionating Columns (3) Steam Supply to Reboiler (4) Reactor Feed Control Valves 1.

Flow Characteristic 1) Typical Characteristic Curve (1) Linear C...