What is difference in p&Id and PFD

Question

Accepted Answer

P&ID shows detailed piping and instrumentation information, while PFD shows overall process flow.

P&ID includes detailed information on piping, instrumentation, equipment, and control systems.
PFD provides an overview of the entire process flow, showing major equipment and key control points.
P&ID is used for detailed design, construction, and operation of the process plant.
PFD is used for understanding the overall process flow and identifying major equipment.
P&ID typically includes more information and is more detailed than a PFD.
Example: P&ID would show individual valves, instruments, and equipment in a specific piping system, while a PFD would show the overall flow of materials through the entire process.

Accepted Answer

It includes both major and minor flows, control loops and instrumentation. P&ID is sometimes referred to as a Piping and Instrumentation Drawing.

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