Piping & Instrumentation Diagram Series

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Piping & Instrumentation Diagram

The drawing is commonly referred to as the P&ID. Its object is to indicate all process and service lines, instruments and controls, equipment, and data ncessary for the design groups. The Process flow diagram is the primary source of information for developing the P&ID.

The P&ID should define piping, equipment and instrumentation well enough for cost estimation and for subsequent design, construction, operation and modification of the process. Material balance data, flow rates, temperatures, pressures, etc., and piping fitting details are not shown, and purely mechanical piping details such as elbows, joints and unions are inappropiate to P&ID’s.

Next in the series

Interconnecting P&ID

AZelaya

Total Cad System Inc.

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