چگونه نقشه دراوینگ پایپینگ و ابزار دقیق را بخوانیم
04 شهریور

فشار

P: Pressure

PI: Pressure Indicator

PG: Pressure Gauge

PCV: Pressure Control Valve

PT: Pressure Transmitter

PIT: Pressure Indicator Transmitter

PIC: Pressure Indicator Controller

PDT: Pressure Differential Transmitter

PRV: Pressure Reducing Valve

PSV: Pressure Safety Valve

PS: Pressure Switch

PSH: Pressure Switch High

PSL: Pressure Switch Low

PSHH: Pressure Switch High High

PSLL: Pressure Switch Low Low

PDS: Pressure Differential Switch

PDSH: Pressure Differential Switch High

PDSL: Pressure Differential Switch Low

PA: Pressure Alarm

دما

T: Temperature

TI: Temperature Indicator

TW: Thermowell

TM: Thermometter

TE: Temperature Element

RTD: Resistance Temperature Detector

T/C: Thermocouple

TT: Temperature Transmitter

TIC: Temperature Indocator Controller

TRC: Temperature Recorder Controller

TCV: Temperature Control Valve

TS: Temperature Switch

TSH: Temperature Switch High

TSL: Temperature Switch Low

TA: Temperature Alarm

جریان

F: Flow

FI: Flow Indicator

FG: Flow Gauge

FE: Flow Element

FIT: Flow Indicator Transmitter

FCV: Flow Control Valve

FIC: Flow Indicator Controller

FS: Flow Switch

FY: Flow Converter

FA: Flow Alarm

FR: Flow Recorder

FRC: Flow Recording Controller

سطح

L: LEVEL

LI: LEVEL INDICATOR

LG: LEVEL GAUGE

LIT: LEVEL INDICATING TRANSMITTER

LCV: LEVEL CONTROL VALVE

LDT: LEVEL DISPLACER TRANSMITTER

LIC: LEVEL INDICATING CONTROLLER

LRC: LEVEL RECORDING CONTROLLER

LS: LEVEL SWITCH

LSH: LEVEL SWITCH HIGH

LSL: LEVEL SWITCH LOW

LA:LEVEL ALARM

RLT: RADAR LEVEL TRANSMITTER

علایم عمومی

DCS : DISTRIBUTED CONTROL SYSTEM
SCADA : SUPERVISORY CONTROL AND DATA ACQUISITION SYSTEM
PLC : PROGRAMMABLE LOGIC CONTROLLER
HART : HIGHWAY ADDRESSABLE REMOTE TRANSDUCER
HHT : HAND HELD TERMINAL
SFC : SMART FIELD CONFIGURATOR
ESD : EMERGENCY SHUT DOWN
AOV : AIR OPERATED VALVE
MOV : MOTOR OPERATED VALVE
SV : SOLENOID VALVE
XVE : VIBRATION PROXIMITOR
XVT : VIBRATION TRANSMITTER
AE : ANALYZER
JB : JUNCTION BOX
ILD : INSTRUMENT LOOP DIAGRAM
P&ID : PIPING AND INSTRUMENT DIAGRAM
IIS : INSTRUMENT INSTALLATION SCHEDULE
TDR : TIME DELAY RELAY
SP : SET POINT
NC : NORMALLY CLOSED
NO : NORMALLY OPEN
MCC : MOTOR CONTROL CENTRE
IAS : INSTRUMENT AIR SUPPLY
IGS : INSTRUMENT GAS SUPPLY
ACFO : AIR TO CLOSE FAIL OPEN
AOFC : AIR TO OPEN FAIL CLOSE
FFA : FLAME FAILURE ALARM
P/I – P to I : PNEUMATIC TO CURRENT CONVERTER
I/P – I to P : CURRENT TO PNEUMATIC CONVERTER
PB : PUSH BUTTON
PID : PROPORTIONAL, INTEGRAL AND DERIVATIVE
E/H : ELECTRO HYDRAULIC ACTUATOR
BOV : BLOW DOWN VALVE
A/M : AUTO / MANUAL – ۲ POSITION SWITCH
ZS : POSITION SWITCH
HS : HAND SWITCH