43⁰ CGas

Reflux drum

Sour water

Pump

Pump-around

Desalter

Air-cooledcondenser

Fired heater

Crude OilDistillation

Tower

Crude oil

Hot products or pumparound

Crude oil

Mix

ing

valv

e

Steam

Steam

Steam

Crude oil

Crude oil

Crude oil

Crude oil

Light gas oil

Heavy gas oil

Kero (jet fuel)

Naphtha

Steam

Crude oil

Hot

prod

ucts

or

pu

mpa

roun

d

Brine

398⁰ C

Pump

Residue (fuel oil)

Water

Crude oil

Pump

Reflux

When the heat exchanger is greyed like this, it is part of the crude oil preheat exchangers.

Sidecut strippers

Vessel flat ends

Vessel curved ends

Vessel angled ends

Column

Column (seam)

Tray column

Fluid contacting

Reaction vessel

Open tank

Open tank with lip

Clarifier

Closed tank

Closed tank (peaked roof)

Closed tank (sump)

Closed tank (sump, peaked roof)

Covered tank fixed roof

Covered tank floating roof

Covered tank fixed roof (sump)

Covered tank floating roof (sump)

Gas holder

Storage sphere

Autoclave anchor

Autoclave anchor (motor)

Autoclave helical

Autoclave helical (motor)

Autoclave propeller

Autoclave propeller (motor)

Carrying vessel

Carrying vessel moveable

Bag

Gas cylinder

Barrel

Carrying vessel cargo

Tank

Tray (dashed)

Tray (solid)

Water surface

Branch fitting

Access point

Flanged access point

Indicator analoque

P

P

P

P

T

T

T

T

T

T

T

F

F

F

F

F

F

F

F

L

L

2

L

L

L

L

0-100deg

mV10-50

0-100deg

mV10-50

0-100deg

mV10-50

FI

BA

BA

BA

Indicator digital

Indicator general

Recorder analoque

Recorder digital

Recorder general

Converter

Converter (1st half filled)

Converter (2nd half filled)

Indicator auxiliary (dashed)

Indicator remote (dashed)

Indicator auxiliary

Indicator remote

Indicator local Operator box

Operator box (1st half filled)

Operator box (2nd half filled)

CRT (or shared display) local

CRT remote

CRT auxiliary

PLC (programmable logic control) local

PLC remote

PLC auxiliary

Computer local

Computer remote

Computer auxiliary

Light local

Light remote

Light auxiliary

Steam traced local

Steam traced remote

Steam traced auxiliary

Level meter local

Level meter remote

Level meter auxiliary

Level meter capacitive

Level meter conductive

Level meter displacer

Level meter float

Level meter general

Level meter sonic

Thermometer bi-metallic

Thermometer gas

Thermometer general

Thermometer glass

Thermometer liquid

Thermometer resistance

Thermometer thermocouple

Flowmeter electromagnetic

Flowmeter general

Flowmeter nozzle

Flowmeter orifice

Flowmeter positive displacement

Flowmeter turbine

Flowmeter variable area

Flowmeter Venturi

Pressure gauge

Pressure gauge diaphragm

Pressure gauge liquid filled

Strain gauge

Venturi or flow nozzle

Venturi (pressure taps)

Flowmeter

Rotameter

Vortex sensor

Propeller meter

Generic utility

AND gate

OR gate

NOT gate

Correcting element

Diamond