LEGEND TYPE OF VALVES / FITTINGS VESSELS / TANKS MISCELLANEOUS EQUIPMENTS

: NORMAL OPERATING CHOKE VALVE

°C
TEMPERATURE
GENERIC VALVE (MANUAL OR ACTUATED ON/OFF)
: NORMAL OPERATING
bar g GENERIC CONTROL VALVE
PRESSURE CARTRIDGE FILTER FILTER COALESCER
ROV OPERATED VALVE 03
BPD
: LIQUID FLOW RATE
PIPE FLARE TIP SONIC FLARE TIP WASH TANK/CST WASHING
PIG TRAP VALVE NORMALLY CLOSED VALVE DISTRIBUTOR MACHINE
MMSCFD BASKET TYPE STRAINER PIG TRAP
: GAS FLOW RATE
CHECK VALVE BARRED TEE

RUPTURE DISC BUTTERFLY VALVE PIPE COIL

kW AIR FILTER HEATING
: DUTY AUTOMATIC RECIRCULATING
VENT
CONTROL VALVE (ARCV)
WITHOUT / WITH
kg/h
: MASS FLOW RATE QUICK COUPLING SELF CLOSING VALVE 03 SCREEN
FLAME ARRESTOR
: STREAM NUMBER RESTRICTION ORIFICE VENDOR PACKAGE
ACTUATED VALVE (ON/OFF) HORIZONTAL VESSEL
EDUCTOR / EJECTOR
: TEMPORARY LINE / EQUIPMENT STATIC MIXER
PSV
: FUTURE LINE / EQUIPMENT VERTICAL VESSEL
03
SAND REMOVAL DEVICE
: PROCESS LINE(FLOW DIRECTION INDICATED)
SELF OPERATED VALVE
: UTILITY LINE
PVSV MIXER / AGITATOR FLEXIBLE HOSE DM
: SKID OUTLINE
03
ATM ATM
: SLOPE PRESSURE AND VACUUM RELIEF VALVE

SWIVEL
ASC : ANTI-SURGE CONTROL

LC : LOCKED CLOSED FLAT TOP VESSEL HORIZONTAL VESSEL

HEAT EXCHANGERS WITH BOOT
CSC : CAR SEAL CLOSED
LO : LOCKED OPEN
CSO : CAR SEAL OPEN SEAL POT
SURGE RELIEF
DEVICE SEA WATER LIFT
LSC : LOAD SHARING CONTROLLER (ALTERNATE INLET POSITION)
SHELL AND TUBE HEAT EXCHANGER PUMP CAISSON
MPC : MASTER PERFORMANCE CONTROLLER
NNF : NORMALLY NO FLOW HIGH SELECTING
NC : NORMALLY CLOSED FLUID SYMBOLS
NO : NORMALLY OPEN LOW SELECTING
ATMOSPHERIC TANK SUMP CAISSON HYDRO-CYCLONE
ELECTRICAL HEATER AA ACID HS H2S SCAVENGER
OCWR : OVERALL CONTROL FOR WELLS AND RISERS

AF ANTIFOAM HW HOT WATER

VESSEL INTERNALS
IRCD : INJECTION RATE CONTROL DEVICE
AL ALKALINE HY SODIUM HYPOCHLORITE
INLET VANE PACK CYCLONE MESH PAD 03
: QUICK CONNECT DISCONNECT COUPLING DEFLECTOR DEMISTER DEMISTER DEMISTER
QCDC PLATE AND FRAME TYPE HEAT EXCHANGER ATM VENT IA INSTRUMENT AIR

SC : SPEED CONTROLLER
VANE TYPE BI BIOCIDE IG INERT GAS
INLET
: SUM XX CHEMICAL INJECTION DEVICE
( XX: FLUID SYMBOL ) LOW DOSAGE HYDRATE
BW FRESH WATER
FDC INHIBITOR
FLOW DIFFERENTIAL CONTROL VORTEX WEIR
03
BREAKER INLET CYCLONE
CD CLOSED DRAIN LO LUBE OIL
WASTE HEAT RECOVERY UNIT
PDC
PRESSURE DIFFERENTIAL CONTROL CG COAGULANT / FLOCCULANT ME METHANOL
CYCLONE
DEMISTER
FC TDC TEMPERATURE CI CORROSION INHIBITOR NG NITROGEN
FLOW CONTROL DIFFERENTIAL
MESH PAD
CONTROL DEMISTER
AIR COOLER CW COOLING WATER OD OPEN DRAIN
TC PC PRESSURE
TEMPERATURE CONTROL CONTROL VANE PACK
DEMISTER DL DEOILER OX OXYGEN SCAVENGER
TT
TEMPERATURE TRANSMITTER PUMPS PACKED SECTION
DEMULSIFIER & NAPHTENATE
PC pH STABILISER
DISPERSANT

LC SC
03 N DO DIESEL OIL PO POLYMER
LEVEL CONTROL SPEED CONTROL 2 TRAYS
CENTRIFUGAL PUMP 1
DW POTABLE WATER PW PRODUCED WATER
ILC AIR DRIVEN
INTERFACE LEVEL CONTROL
DIAPHRAGM PUMP CHIMNEY TRAY FG HP FLARE SA SERVICE AIR
-C -V VERTICAL PUMP
FH FUEL GAS SAND RICH SLURRY
03
TOTAL UPSTREAM NIGERIA LIMITED

FL LP FLARE SG SEAL GAS

: CONTROL LOOP (TYPICAL) COMPRESSORS AND DRIVERS
AI FI
ON LINE ANALYSER FLOW INDICATOR INLINE PUMP FW FIRE WATER SI SCALE INHIBITOR
T IONAL PE
NA T

ECCENTRIC PUMP
N

IA

RO
N IGER

L EU
CENTRIFUGAL COMPRESSOR H HYDRAULIC MOTOR SCALE INHIBITOR /

M
LS PS
GT GLYCOL 03 CORROSION INHIBITOR
C
OR
P OR A T I O
N

LEVEL SWITCH PRESSURE SWITCH

HC HYDROCARBON MIXTURE SW SEAWATER

TS HC VERTICAL PUMP
HYDROCARBON MIXTURE WD DOMESTIC SEWER
TEMPERATURE SWITCH HAND CONTROL (SUBMERGED MOTOR) WITH SAND
BLOWER
M SCREW COMPRESSOR
RO FQI HH HYDRAULIC FLUID WI WATER INJECTION
RESTRICTION ORIFICE FLOW TOTALISER

HG HYDROCARBON GAS WW WASH WATER

PT FT RECIPROCATING PUMP DT GAS TURBINE DRIVER DM ELECTRICAL MOTOR
PRESSURE TRANSMITTER FLOW TRANSMITTER
HL HYDROCARBON LIQUID