Draft teaching material marked until The Planner's Bench team signs off on technical accuracy. Symbols follow generally known public conventions (ISA style instrument bubbles, common mechanical and electrical one line shapes). Your site's drawing standards and procedures always govern.
Tag list
FE-1001 Orifice or other flow element
FT-1001 Flow transmitter (field)
FIC-1001 Flow indicating controller (DCS)
FY-1001 I/P converter
FV-1001 Flow control valve
How it works
FT-1001 measures differential pressure across the flow element and sends a 4 to 20 mA (or digital) signal to FIC-1001. The controller compares process value to setpoint and outputs to FY-1001, which converts to pneumatic air for FV-1001. The valve throttles feed into the drum.