An architect’s blueprints show how a building is constructed. In a similar way, Piping and Instrumentation diagrams (P&IDs) are schematic diagrams showing how a process plant is put together.
P&IDs are usually print-outs from a computer model. The model might be of a simple process plant. Or it might be of a large petrochemical complex. The computer model lets the industry see clearly how individual assets interact – things like pipes, valves, pumps, meters and sensors.…
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