P&ID Symbols Abbreviations

What does LS mean on a P&ID?

P&ID Symbols Abbreviations

Analyzer Element (Chemical Composition) AE
Level Indicating Controller LIC
Level Recorder LR
Level Switch LS
Level Transmitter LT

What does CV mean P&ID?

Gate Valve Cv Flow Coefficients of Gate Valves.

What is PDI in P&ID?

P&ID is the acronym for “Piping and instrumentation diagram”, i.e. a very detailed diagram showing the processes happening within a plant, the involved equipment, and their interconnections.

What does Py stand for in P&ID?

Instrumentation Abbreviations Table – P&ID

– A – – A –
PSV Pressure Safety Valve
PT Pressure Transmitter
POS Positioner
PY Relay, Computer, Amplifier, Converter or I/P Converter etc/ in Pressure Loop

What is ZS on a P&ID?

Limit switch indicating a valve is closed. ZSO. Position/unit switch open. Limit switch indicating a valve is open.

What does XV mean on a P&ID?

Identification and reference designation

Letter Column 1 (Measured value) Column 5 (Function modifier)
V Vibration, mechanical analysis
W Weight, force
X User’s choice (usually on-off valve as XV) Unclassified
Y Event, state, presence

What is Zs in P&ID?

What is HIC in P&ID?

DeltaV for Hand. Indication Control. (HIC) → The AI block may be. used to provide an indication that is helpful to the operator in making manual adjustments.

What does FP mean on a P&ID?

Instrument Abbreviations Used in Instrumentation Diagrams (P&IDs) III

First Letters Initiating, Measured, Variable Transmitters
F Flow Rate FRT
FQ Flow Quantity
FF Flow Ratio
G User’s Choice

What is LV in P&ID?

Level indicator. Level indication. LIC. Level indicator and controller. Indicating level; controlling level.

What does HV mean on P&ID?

How to read a P&ID?

Next letter Control equipment type
HS Hand Switch
HV Hand Valve
Q Totalizer
IQ Indicating Totalizer