PFD - Process Flow Diagram - Example

A Process Flow Diagram - PFD - (or System Flow Diagram - SFD) shows [B]relationships[/B] between major components in a system. A PFD also tabulate process design values for the components in different operating modes, typical minimum, normal and maximum values. A PFD does not show minor components, the piping systems, piping ratings and designations.
A Process Flow Diagram - PFD - should include:

[LIST][*]process piping[*]major equipment symbols, names and identification numbers[*]control, valves and valves that affect operation of the system[*]interconnection with other systems[*]major bypass and recirculation lines[*]system ratings and operational values as minimum, normal and maximum flow, temperature and pressure[*]composition of fluids[/LIST]
A Process Flow Diagrams - PFD - should not include:

[LIST][*]pipe classes[*]pipe line numbers[*]minor bypass lines[*]isolation and shutoff valves[*]maintenance vents and drains[*]relief and safety valves[*]code class information[/LIST]

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