PIPING DAIGRAM SYMBOL



Symbol is the basic notation to describe or represent a P&ID. To read and interpret piping and instrument drawing , the reader must learn the meaning of the symbol. We will discuss about the common symbols that are used to depict fluid process plant.

In general all the symbols used in P&ID are as per ISA or ANSI standard. But any organization may have their own standard which is derived from international standard.

line symbol
LINE SYMBOL


p&id compressor
COMPRESSOR SYMBOL

instrument function
FUNCTION SYMBOLS


more function

FUNCTION SYMBOLS


pump symbol
PUMP SYMBOLS


storage symbol
STORAGE SYMBOL


mechanical fittings
FITTINGS SYMBOL


heat exchanger
EXCHANGER SYMBOL

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