Instrument and process equipment symbols

Interview Q & A Instrumentation
1

The instrument symbols are as per ISA 5.1 standards, which are applicable in Process Flow Diagrams (PFDs), Process and Instruments, Diagrams (P&IDs), and loop diagrams

Line types:

p1.png1005×517 37.2 KB

Bubble type:

p2.png991×517 28 KB

Process valve type:

p3.png833×617 38 KB

Valve actuator type:

p9.png841×405 20.1 KB

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