ABBREVIATION SYMBOL
DEFINITION
&
AND
@
C
L
AT
L
L
L
/
O
/
ANGLE
CENTER LINE
STRUCTURAL TUBING SQUARE
CHANNEL
DIAMETER
FEET
//
INCH (ES)
P
L
PLATE
/
%
OR/PER
DEGREE
PERCENT
I BEAM
SLOPE
#
POUNDS OR POUND
~
APPROXIMATION
~
TROUGH
SPRING
IRANIAN PETROLEUM STANDARDS
C
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
OIEC
REV.
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
31
31
ABBREVIATION
WEST
WB
WELDED BONNET
W/
WC
WCO
Wd.
WE
WH
WI
WJ
WL
Wld.
WN
W/O
WO
WOG
Wol.
WP
WPS
WR
Wr.
Wt
WT
X
WATER CLOSET
WATER CLEAN OUT
WOOD
WELD END
WARE HOUSE/WATER HEATER
WROUGHT IRON
WATER JACKET
WELDING LINE
WELD (ED)
WELDING NECK/ WELD NECK
WITHOUT
WRENCH OPERATED
WATER, OIL OR GAS
WELDOLET
WORKING PRESSURE/ WORKING POINT
WELDING PROCEDURE SPECIFICATION
WELD RECEPTACLE
WRENCH
WEIGHT
WALL THICKNESS
EXTRA HEAVY
XXH
DOUBLE EXTRA HEAVY
XXS
Y
EXTRA STRONG
DOUBLE EXTRA STRONG
Yd
YARD
YS
YIELD STRENGTH
Yr.
YEAR
IRANIAN PETROLEUM STANDARDS
C
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
OIEC
WITH
XH
XS
REV.
DEFINITION
W
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
30
31
ABBREVIATION
UB
UG
Un.
UNC
UNEF
UNF
Unif.
Unins.
UPS
US
UW
V
V
Vac.
Vap.
Var.
VB
VC
VCP
VD
Vent.
Vert.
Vib.
Vit.
Vol.
VU
B
UNINSULATED
UNINTERRUPTED POWER SUPPLY
UNDER SIDE/UTILITY STATION
UNDERGROUND WRAPPED
VENT
VACUUM
VAPOR
VARIABLE
VAPOR BLIND/ VACUUM BREAKER/
VORTEX BREAKER
VENT CONNECTION/ VITRIFIED CLAY
VITRIFIED CLAY PIPE
VERTICAL DOWN
VENTILATE/ VENTILATION
VERTICAL
VIBRATION
VITRIFIED/ VITREOUS
VOLUME
VERTICAL UP
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
OIEC
UNION BONNET
UNDER-GROUND
UNION
UNIFIED COURSE THREAD
UNIFIED EXTRA FINE THREAD
UNIFIED FINE THREAD
UNIFORM
IRANIAN PETROLEUM STANDARDS
C
REV.
DEFINITION
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
29
31
ABBREVIATION
TP
TEST PRESSURE/TEST POINT
TR
TEMPERATURE RECORDER
TPI
Trans.
TRC
Trly.
TRT
TSE
TSH
TSHL
TSL
TSO
TT
Turb.
Turb. Gen.
TV
TW
Twr.
Typ.
B
TRANSFORMER
TEMPERATURE RECORDING CONTROLER
TROLLEY
TEMPERATURE RECORDING TRANSMITTER
THREADED SMALL END
TEMPERATURE SWITCH HIGH
TEMPERATURE SWITCH HIGH & LOW
TEMPERATURE SWITCH LOW
TIGHT SHUT OFF
TEMPERATURE TRANSMITTER
TURBINE
TURBINE GENERATOR
TEMPERATURE VALVE
TREATED WATER/THERMOWELL
TOWER
TYPICAL
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
OIEC
THREAD PER INCH
IRANIAN PETROLEUM STANDARDS
C
REV.
DEFINITION
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
28
31
ABBREVIATION
T
Tan.
T & C
T & G
T TO T
TB
TBE
TC
TCV
TE
Tel.
Temp.
TF
Thrd.
Therm.
Thk.
Thru.
TI
TIC
TIG
TIT
Tk.
TL
TLE
TO
TOB
TOC
TOE
TOG
Tol.
TOP
Tor.
TOS
B
TEMPERATURE CONTROLER
TEMPERATURE CONTROL VALVE
THREAD END
TELEPHONE
TEMPERATURE
TOP FLAT
THREADED
THERMAL
THICKNESS / THICK
THROUGH
TEMPERATURE INDICATOR
TEMPERATURE INDICATING CONTROLER
TUNGSTEN INERT GAS ARC WELDING
TEMPERATURE INDICATING TRANSMITTER
TANK
TANGENT LINE
THREADED LARGE END
TEST OPEN
TOP OF BEAM
TOP OF CONCRETE
THREADED ONE END
TOP OF GROUT
THREADOLET / TOLERANCE
TOP OF PIPE
TORISPHERICAL
TOP OF STEEL / TOP OF SUPPORT
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
OIEC
TEST BLIND
THREADED BOTH ENDS
TEST CONNECTION/TEST CLOSED/THERMOCOUPLE/
IRANIAN PETROLEUM STANDARDS
C
REV.
DEFINITION
TRAP
TANGENT
THREADED AND COUPLED
TOUNG AND GROOVE
TANGENT TO TANGENT
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
27
31
ABBREVIATION
Sta.
Std.
Std. Wt.
STG
Stife. Ring
Stl.
Stlt.
Stm.
Stnls.
Str.
St. Wy.
STS
STT
Suct.
Supt.
SW
SWB
Swg.
SWP
Symm.
Sys.
B
STIFFENING RING
STEEL
STELLITE
STEAM
STAINLESS
STRAINER / STRUCTURE/STREET
STAIR WAY
STEAM TRACED WITH SPACERS & INSULATION
STEAM TRACED WITH HEAT TRANSFER CEMENT &
INSULATION
SUCTION
SUPPORT
SOCKET WELD
SEAL WELD BONNET
SWAGE
STEAM WORKING PRESSURE
SYMMETRICAL
SYSTEM
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
OIEC
STATION
STANDARD
STANDARD WEIGHT/STANDARD WALL THICKNESS
SMALL TANGUE AND GROOVE
IRANIAN PETROLEUM STANDARDS
C
REV.
DEFINITION
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
26
31
ABBREVIATION
S
SAF
San.
SAW
SB
SCREWED BONNET/ STUD BOLT
SAMPLE CONNECTION/SAMPLE COOLER
SCHEDULE (PIPE RATING)
SCHEDULE (TABULATION)
SCREW
SCREWED
STUB END
SECTION
SERIES
SERIAL
SERVICE
SPECIFIC GRAVITY
SHEET / SHOE
SMAW
SM & F
Smls.
SNG
SO
SP
Spec.
SHIELDED METAL ARC WELDING
SMALL MALE & FEMALE
SEAMLESS
SYNTHETIC NATURAL GAS
SLIP ON / STEAM OUT / STRIPPER OUT
SPECIALITY ITEM
SPECIFICATION
Sph.
Sply.
SPW
Sq.
SR
SS
S/S
S Shr.
ST
C
B
STEAM JACKET(ED)
SHOWER
SKETCH
SLOPE
SMALLER
SPHERE
SUPPLY
SPIRAL WOUND
SQUARE
SHORT RADIUS / STRESS RELIEVE
STAINLESS STEEL
SUB STATION
SAFETY SHOWER
STEAM TRACE / STEAM TRAP
IRANIAN PETROLEUM STANDARDS
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
OIEC
SOUTH/SOLENOID
SHUT ON AIR FAILURE
SANITARY
SUBMERGED ARC WELDING
SPECTACLE BLIND/SLIP BLIND/
SC
Sch.
Sched.
Scr.
Scrd.
SE
Sec.
Ser.
Ser'l.
Serv.
SG
SH
SJ
Shr.
Sk.
Slp.
Sm.
REV.
DEFINITION
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
25
31
ABBREVIATION
R
Rad.
RCP
Rcpt.
Rd.
RD
Recip.
Recirc.
Red.
Ref.
RADIUS
RADIAL
REINFORCED CONCRETE PIPE
RECEPTACLE
ROAD
ROOF DRAIN
RECIPROCATING / RECIPROCATE
RECIRCULATE
REDUCER / REDUCING
REFERENCE / REFINERY
RT
RTD
RTJ
Rtn.
RTRP
RWDP
REINFORCED TEFLON/RADIOGHRAPH TEST
RESISTANCE TEMPERATURE DETECTOR
RING TYPE JOINT
RETURN
REINFORCED THERMOSETTING RESIN PIPE LINE
RAIN WATER DOWN PIPE
Ref. Col.
Refr.
Refrig.
Reg.
Regen.
Reinf.
Rem.
Reqd.
Rev.
Rever.
RF
RFSF
RH
RJ
RL
RMS
RO
Rot.
RS
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
OIEC
REFERENCE COLUMN
REFRACTORY
REFRIGERATOR
REGULATOR
REGENERATOR
REINFORCING / REINFORCE
REMOVE
REQUIRED
REVISION
REVERSIBLE
RAISED FACE
RAISED FACE SMOOTH FINISH
RIGHT HAND
RING JOINT
RANDOM LENGTH / RUBBER LINED
ROOT MEAN SQUARE
RESTRICTION ORIFICE
ROTATION
REVERSIBLE SPADE
IRANIAN PETROLEUM STANDARDS
C
REV.
DEFINITION
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
24
31
ABBREVIATION
PSE
PLAIN SMALL END
PSHL
PRESSURE SWITCH HIGH & LOW
PSH
PSL
PSV
PRESSURE SWITCH HIGH
PRESSURE SWITCH LOW
PRESSURE SAFETY VALVE
Pt.
POINT
PT
PIPE TAP/PRESSURE TRANSMITTER
PV
PRESSURE VESSEL
PU
PICK UP
PWHT
Q
POST WELD HEAT TREATMENT
QC
QUALITY CONTROL
QO
QUICK OPENING
QCplg.
Qty.
QUICK COUPLING
QUANTITY
IRANIAN PETROLEUM STANDARDS
C
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
REV.
DEFINITION
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
23
31
ABBREVIATION
P
P & ID
Para.
PB
PBE
Pc. (S)
PC
PCV
PD
PDI
PE
PI
PIC
PIT
Pl.
PL
Platf.
PLE
Plgd.
Plmb.
PN
POE
Pos.
PP
PPM
PQR
Pr.
PR
PRC
Prefab.
Press.
Prl.
Prm.
Proc.
Proj.
Prop.
PRT
C
PS
PSB
B
PUMP
PIPING AND INSTRUMENTATION DIAGRAM
PARAGRAPH
PUSH BUTTON/ PRESSURE BLIND
PLAIN BOTH ENDS
PIECE (S)
PRESSURE CONTROLER
PRESSURE CONTROL VALVE
PPRESSURE DROP
PRESSURE DIFFERENTIAL INDICATOR
PLAIN END
PRESSURE INDICATOR
PRESSURE INDICATING CONTROLER
PRESSURE INDICATING TRANSMITTER
PLATE
PROPERTY LINE
PLATFORM
PLAIN LARGE END
PLUGGED
PLUMBING
PRESSURE NOMINAL
PLAIN ONE END
POSITIVE
PRESSURE POINT (TEST CONNECTION)
PARTS PER MILLION
PROCEDURE QUALIFICATION TEST RECORD
PAIR
PRESSURE RECORDER
PRESSURE RECORDING CONTROLER
PREFABRICATED
PRESSURE
PARALLEL
PERMISSIBLE/PERMIT
PROCESS
PROJECTION/PROJECT
PROPERTY
PRESSURE RECORDING TRANSMITTER
PIPE SUPPORT
PRESSURE SEAL BONNET
IRANIAN PETROLEUM STANDARDS
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
REV.
DEFINITION
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
22
31
ABBREVIATION
OIL
OVERALL
OR
Orient.
Orif.
OS
OS & Y
OSBL
Ovhd.
OUTSIDE RADIUS
ORIENTATION
ORIFICE
OUTSIDE SCREW / OVER SIZE
OUTSIDE SCREW & YOKE
OUTSIDE BATTERY LIMIT
OVERHEAD
OAF
Oct.
OD
OET
OH
OPER
Opp.
Opt.
OPEN ON AIR FAILURE
OCTAGON (AL)
OUTSIDE DIAMETER
ONE END THREADED
OPEN HOLE
OPERATED/OPERATING
OPPOSITE
OPTIONAL/OPTION/OPTICS/OPTICAL
IRANIAN PETROLEUM STANDARDS
C
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
REV.
DEFINITION
O
Oa.
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
21
31
ABBREVIATION
N
Nat.
Natl.
NB
NC
NDT
NF
NFPA
Ni.
Nip.
NO
No.(S)
Nom.
Norm.
Noz.
NP
NPS
NPSH
NPTF
NPTM
NRS
NS
NTS
NOMINAL PIPE SIZE
NET POSITIVE SUCTION HEAD
NOMINAL PIPE TAP FEMALE
NOMINAL PIPE TAP MALE
NON RISING STEM
NEAR SIDE/NITROGEN SUPPLY
NOT TO SCALE
IRANIAN PETROLEUM STANDARDS
C
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
REV.
DEFINITION
NORTH
NATURAL
NATIONAL
NOMINAL BORE
NATIONAL COARSE (THREAD)/
NORMALLY CLOSED/ NO COMMENT
NUN DESTRUCTIVE TEST
NATIONAL FINE(THREAD)../NOT FURNISHED
NATIONAL FIRE PROTECTION ASSOCIATION
NICKEL
NIPPLE
NORMALLY OPEN
NUMBER(S)
NOMINAL
NORMAL
NOZZLE
NO PAINTING
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
20
31
ABBREVIATION
M
Mach.
Maint.
Manif.
Matl.
MAWP
Max.
MB
MCC
Mech.
Med.
Mfg.
Mfr.
Mh.
MI
Mid.
MIG
Min.
Misc.
MJ
MALE/MOMENT/MOTOR
MACHINE
MAINTENANCE
MANIFOLD
MATERIAL
MAXIMUM ALLOWABLE WORKING PRESSURE
MAXIMUM
MACHINE BOLT/MARSHALING BOX
MOTOR CONTROL CENTER
MECHANICAL
MEDIUM
MANUFACTURING
MANUFACTURER
MANHOLE
MALLEABLE IRON
MIDDLE
METAL-ARC WELDING
MINIMUM/MINUTE
MISCELLANEOUS
MECHANICAL JOINT
MOV
Mov.
MOTOR OPERATED VALVE/MOVEMENT
MOVEMENT
Mk.
ML
MLS
Mnl.
Mo.
MO
MP
MPT
MS
MSYS
MTO
MW
MARK
MANUAL LOADING/MATCH LINE
MANUAL LOADING STATION
MANUAL
MOLYBDENUM
MOTOR OPERATED
MEDIUM PRESSURE
MALE PIPE THREAD
MILD STEEL
MINIMUM SPECIFIED YIELD STRESS
MATERIAL TAKE OFF
MINERAL WOOL/MITER WELD
IRANIAN PETROLEUM STANDARDS
C
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
REV.
DEFINITION
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
19
31
ABBREVIATION
L
Lab.
Lav.
LC
LENGTH/LONG
LABORATORY
LAVATORY
LOCK CLOSED/LEVEL CONTROLER
LCV
LG
Lgr.
LH
LI
LIC
Lin.
Liq.
LIT
LJ
LO
LOA
Loc.
Lol.
LM&F
LP
LR
LRC
LRT
LS
LSH
LSHL
LSL
LEVEL CONTROL VALVE
LEVEL GAUGE
LARGER
LEFT HAND
LEVEL INDICATOR
LEVEL INDICATING CONTROLER
LINEAR
LIQUID
LEVEL INDICATING TRANSMITTER
LAP JOINT
LOCK OPEN
LENGTH OVERALL
LOCATE/LOCATION
LATROLET
LARGE MALE AND FEMALE
LOW PRESSURE / LOW POINT
LONG RADIUS/LEVEL RECORDER
LEVEL RECORDING CONTROLER
LEVEL RECORDING TRANSMITTER
LINE STOPE
LEVEL SWITCH HIGH
LEVEL SWITCH HIGH & LOW
LEVEL SWITCH LOW
LT & G
Lub.
Lvr.
LW
LWN
LARGE TONGUE AND GROOVE
LUBRICATE (D) (ING)
LOUVER
LAP WELD / LIGHT WEIGHT
LONG WELDING NECK
LT
LEVEL TRANSMITTER
IRANIAN PETROLEUM STANDARDS
C
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
REV.
DEFINITION
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
SHT REV.
IPS-D-PI-100
18
31
ABBREVIATION
IAS
IB
IBBM
IBBT
IC
ID
IH
Incl.
Incr.
Incv.
Info.
Ins.
Inst.
Int.
Integ.
Interm.
Intmt.
Inv.
IP
IPB
IPE
IPS
IR
IS
IS & Y
ISBL
Iso.
J
INSTRUMENT AIR SUPPLY
IRON BODY
IRON BODY BRONZE MOUNTED
IRON BODY BRONZE TRIM
INSULATION COLD
INSIDE DIAMETER
INSULATION HOT
INCLUDED/INCLUDING
INCREASE
INCLUSIVE
INFORMATION
INSULATION/INSULATED
INSTRUMENT
INTERNAL/INTERIOR
INTEGRAL
INTERMEDIATE
INTERMITTENT
INVERT(ED)
INSULATION PERSONNEL PROTECTION/IRON PIPE
WIDE I - BEAM
MEDIUM I - BEAM
IRON PIPE SIZE/IRANIAN PETROLEUM STANDARD
INSIDE RADIUS
INSIDE SCREW/INSULATION SAFETY
INSIDE SCREW AND YOKE
INSIDE BATTERY LIMIT
ISOMETRIC
JB
JUNCTION BOX
Jt.
JOINT
Jct.
K
KCS
JUNCTION
KILLED CARBON STEEL
IRANIAN PETROLEUM STANDARDS
C
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
REV.
DEFINITION
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
17
31
ABBREVIATION
HAZ
H & V
Hc.
H Cplg.
Hd.
HD
Hdr.
Hd. W
HE
Hex.
Hex. Stl.
Hgt.
HH
HN
Horiz.
HP
HPP
HPFS
Hr.
HR
HS
HT
Htdro.
Htr.
HV
HVAC
Hvy.
HW
Hyd.
Hydr.
HEAT AFFECTED ZONE
HEATING AND VENTILATING
HYDROCARBON
HALF COUPLING/HOSE CONNECTOR/HOSE COUPLING
HEAD
HIGH DENSITY/HOLD DOWN/HEAVY DUTY
HEADER
HARD WARE
HORIZONTAL EAST
HEXAGON/HEXAGONAL
HEX STEEL
HEIGHT
HANDHOLE
HORIZONTAL NORTH
HORIZONTAL
HIGH POINT/HIGH PRESSURE/HYDRANT POINT
HIGH PAVING POINT
HIGH POINT OF FINISHED SURFACE
HANGER (ROD)
HAND RAIL
HORIZONTAL SOUTH/HANGER SPRING
HYDRAULIC TEST
HYDROSTATIC
HEATER
HYDRANT VALVE
HEATING,VENTILATING&AIR CONDITIONING
HEAVY
HORIZONTAL WEST/HOT WATER
HYDRANT
HYDRAULIC
IRANIAN PETROLEUM STANDARDS
C
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
REV.
DEFINITION
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
16
31
ABBREVIATION
G
Ga.
Galvd.
GE
Gen.
GG
GI
GMAW
GO
Gov.
GP
Gr.
GRP
Grtg.
Gskt.
GTAW
GUIDE(PIPE)
GAGE
GALVANIZED
GROOVE END
GENERAL/GENERATOR
GAS GENERATOR
GALVANIZED IRON
GAS METAL ARC WELDING
GEAR OPERATED
GOVERNER
GLAND PACKING
GRADE
GLASS REINFORCE PIPE
GRATING
GASKET
GAS TUNGSTEN ARC WELDING
IRANIAN PETROLEUM STANDARDS
C
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
REV.
DEFINITION
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
15
31
ABBREVIATION
DEFINITION
Flex.
FLEXIBLE
Flgd.
FLANGED
Flg.
Fltr.
FO
FP
FPH
FPT
FLANGE
FILTER
FAIL OPEN
FIRE PROOF
FROST PROOF HYDRANT
FEMALE PIPE THREAD
FQI
FLOW QUANTITY INDICATOR
FQR
FLOW QUANTITY RECORDER
FQIC
FQRC
FR
FRC
FRP
FRT
FS
FSH
FSHL
FSL
FSS
FT
F Tk.
FLOW QUANTITY INDICATING CONTROLER
FLOW QUANTITY RECORDING CONTROLER
FLOW RECORDER
FLOW RECORDING CONTROLER
FIBERGLASS REINFORCED PIPE
FLOW RECORDING TRANSMITTER
FIELD SUPPORT/ FLOOR SINK/FORGED STEEL/
FLOW SHEET
FLOW SWITCH HIGH
FLOW SWITCH HIGH & LOW
FLOW SWITCH LOW
FORGED STAINLESS STEEL
FLOW TRANSMITTER
FLUSH TANK
FTF
FITTING TO FITTING
F Thrd.
FEMALE THREAD
Ftg.
Furn.
FV
FW
FITTING
FURNISHED
FULL VACUUM/FLOW VALVE
FIELD WELD/FIRE WATER
IRANIAN PETROLEUM STANDARDS
C
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
REV.
DESCRIPTION
ABBREVIATION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DEFINITION
DATE
DRAWING No.
SHT REV.
IPS-D-PI-100 14
31
ABBREVIATION
ABBREVIATION
ABBREVIATION
DEFINITION
DEFINITION
DEFINITION
ABBREVIATION
F
FEMALE/FORCE
F OF F
FACE OF FLANGE
FA
F TO F
F&D
Fab.
FBW
FC
FCO
FLAME ARRESTOR
FACE TO FACE
FLANGED AND DISHED/FACED AND DRILLED
FABRICATED/FABRICATOR
FURNACE BUTT WELDED
FAIL CLOSED
FLOOR CLEAN OUT
FCV
FLOW CONTROL VALVE
Fdn.
FOUNDATION
FD
FE
FF
FFSF
FG
FH
FHC
FHR
FI
FIC
Fig.
FLOOR DRAIN
FLANGED END/FLOW ELEMENT
FLAT FACE/FULL FACE/FLANGE FACE/FINSH FACE/
FINISH FLOOR
FLAT FACE SMOOTH FINISH
FLOW GLASS
FIRE HYDRANT/FIRE HOSE/FUME HOOD
FIRE HOSE CABINET
FIRE HOSE RACK
FAIL INDETERMINATE/FLOW INDICATOR
FLOW INDICATING CONTROLER
FIGURE
Fin.
FINISH / FINISHED
FIT
FLOW INDICATING TRANSMITTER
FG
Fl.
FL
FINISHED GRADE
FLOOR
FAIL LOCKED (LAST POSITION)/FRICTION LOAD
IRANIAN PETROLEUM STANDARDS
C
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
REV.
DEFINITION
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
13
31
ABBREVIATION
E
Ea.
Ecc.
EF
EFW
El.
Elec.
Elev.
Ell.
Emer.
Encl.
Eng.
Enq.
Eol.
EP
Eq.
Eqiv.
Equip.
ERW
ES
ESD
ESh.
Est.
ET
Etc.
Evap.
EWF
Exch.
Exh.
Exist.
Exp.
EJ
Ext.
EAST
EACH
ECCENTRIC
ELECTRIC FURNACE
ELECTRIC FUSION WELD
ELEVATION(HEIGHT)
ELECTRICAL
ELEVATION(VIEW)
ELBOW
EMERGENCY
ENCLOSURE
ENGINE
ENQUIRY
ELBOWLET
EXPLOSION PROOF
EQUAL
EQUIVALENT
EQUIPMENT
ELECTRIC RESISTANCE WELD
ELECTRIC SUPPLY
EMERGENCY SHUT DOWN
EMERGENCY SHOWER
ESTIMATE
ELECTRIC TRACE
ETCETERA
EVAPORATOR
EYEWASH FOUNTAIN
EXCHANGER
EXHAUST
EXISTING
EXPANSION
EXPANSION JOINT
EXTERNAL/EXTENSION/EXTRA
IRANIAN PETROLEUM STANDARDS
C
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
REV.
DEFINITION
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
12
31
ABBREVIATION
D
DEPHT/DEEP
DC
DRAIN CONNECTION
DA
DE
Def.
Deg.
Des.
Des.Press.
Dept.
Desc.
Det.
DF
DI
Dia.
Diag.
Diaph.
Dim.
DIN
Disch.
Distr.
DL
DMT
Dn.
DN
DP
Dr.
DS
DT
DW
Dwg.
DIRECTIONAL ANCHOR
DRIVE END
DEFLECTION
DEGREE
DESIGN
DESIGN PRESSURE
DEPARTMENT
DESCRIPTION
DETAIL
DRAIN FUNNEL
DUCTILE IRON
DIAMETER
DIAG0NAL/DIAGRAM
DIAPHRAGM
DIMENSION
DEUTSCHE INDUSTRIE NORM(GERMAN STANDARD)
DISCHARGE
DISTRIBUTOR
DRAWING LIMIT
DESIGN METAL TEMPERATURE
DOWN
DOWN/DIAMETER NOMINAL
DRAIN PIT/DIFFERENTIAL PRESSURE
DRAIN
DUMMY SUPPORT/DOWN SPOUT/DATA SHEET
DRILL & TAP
DUMMY WELD
DRAWING
IRANIAN PETROLEUM STANDARDS
C
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
REV.
DEFINITION
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
11
31
ABBREVIATION
COD
COI
CONTINUED ON DRAWING
CONTINUED ON ISOMETRIC
CP
Cplg.
CPS
Cr.
CS
CSC
CSK
CSO
Cstg.
CT
Ctr(S).
Cw.
CW
CWP
CWR
CWS
Cyl.
CORROSION PROBE
COUPLING
CONCRETE PIPE SUPPORT
CHROMIUM
CARBON STEEL/COLD SPRING/CAST STEEL
CAR SEAL CLOSE
COUNTER SINK
CAR SEAL OPEN
CASTING
COOLING TOWER
CENTER(S)
CLOCKWISE
COOLING WATER/COLD WATER
COLD WORKING PRESSURE
COOLD WATER RETURN
COOLD WATER SUPPLY
CYLINDER
Compr.
Conc.
Cond.
Conn.
Const.
Cont.
Cont'd.
Contr.
Coord.
Cor.
Corr.
Cp.
COMPRESSOR
CONCENTRIC/CONCRETE
CONDENSER/CONDENSATE
CONNECTION
CONSTANT/CONSTRUCTION
CONTINUE/CONTINUATION/CONTINUOUS
CONTINUED
CONTRACTOR
COORDINATE
CORNER
CORRUGATED/CORROSION
COUPON
IRANIAN PETROLEUM STANDARDS
C
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
REV.
DEFINITION
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
10
31
ABBREVIATION
C TO C
C TO E
C TO F
C & W
CA
CAF
Calc.
Cap.
CAS
Cat.
CB
CCW
Cem.
Cer.
CES
CFW
CG
,
Chk d.
Ckd.
CKD
CI
Circ.
Ckrd. Pl.
Cl.
Clg.
Clr.
CMP
CO
COJ
CO2
Coef.
Col.
Comb.
Comp.
CENTER TO CENTER
CENTER TO END
CENTER TO FACE
COATED AND WRAPPED
CORROSION ALLOWANCE
COMPRESSED ASBESTOS FIBBER
CALCULATED/CALCULATION
CAPACITY
CAST ALLOY STEEL
CATALOG/CATALIST
CATCH BASIN
COUNTER CLOCKWISE
CEMENT
CERAMIC
COMBINATION EYEWASH SHOWER
CONTINUOUS FILLET WELD
CENTER OF GRAVITY
CHECKED
CHECK
COMPLETE KNOCKED DOWN
CAST IRON
CIRCUMFERENCE
CHECKERED PLATE
CLASS(FLANGE RATING)
CEILING
CLEAR
CORRUGATED METAL PIPE
CHAIN OPERATED/CLEAN OUT
COMPRESSION JOINT
CARBON DIOXIDE
COEFFICIENT
COLUMN
COMBINATION
COMPANION
IRANIAN PETROLEUM STANDARDS
C
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
REV.
DEFINITION
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
9
31
ABBREVIATION
BA
B & B
B TO B
B & F
B&S
BB
BBE
BC
BE
BEP
BET
Bet.
BF
BFP
BH
BHN
BL
Bld.
Bldg.
BLE
Bm.
BM
BOE
BOM
BOP
Bot.
Br.
Brz.
BSE
Bsmt.
Bush.
Bvld.
BW
BEEL AND FLANGE
BELL AND SPIGOT
BOLTED BONNET
BEVEL BOTH END
BOLT CIRCLE/ BRANCH CONNECTION/
BOLTED COVER
BEVEL END
BOTH END PLAIN
BOTH END THREADED
BETWEEN
BLIND FLANGE/BOTTOM FLAT
BACK FLOW PREVENTER
BOLT HOLE
BRINELL HARDNESS NUMBER
BATTERY LIMIT/BOTTOM LINE
BLIND
BUILDING
BEVELED LARGE END
BEAM
BENCH MARK/BENDING MOMENT
BEVELED ONE END
BILL OF MATERIAL
BOTTOM OF PIPE
BOTTOM
BRASS
BRONZE
BEVEL SMALL END
BASEMENT
BUSHING
BEVELED
BUTT WELD/BUTT WELDED
IRANIAN PETROLEUM STANDARDS
C
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
REV.
DEFINITION
BASE ANCHOR
BELL AND BELL
BACK TO BACK
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
8
31
ABBREVIATION
A
AARH
AVERAGE ARITHMETICROUGHNESS HEIGHT
Abs.
Abbr.
ABSOLUTE
ABBREVIATION
AAV
AC
Acc.
Accum.
Adpt.
AG
AI
Al.
AL
Alt.
AO
AOV
AUTOMATIC AIR VENT
AIR CLOSES/AIR CONDITION
ACCESSORY
ACCUMULATOR
ADAPTER
ABOVE GROUND
ALL IRON
ALUMINUM
AREA LIMIT
ALTERNATE
AIR OPENS
AIR OPERATED VALVES
AP
Aprd.
ANNALIZER POINT
APPROVED
Asb.
ASBESTOS
Approx.
Arrgt.
AS
Asph.
Assy.
AT
Atm.
Auto.
Aux.
Avg.
AVT
APPROXIMATELY
ARRANGEMENT
AIR SUPPLY
ASPHALT
ASSEMBLY
AIR TRAPS
ATMOSPHERE
AUTOMATIC/AUTOMOBIL
AUXILIARY
AVERAGE
AUTOMATIC VENT TRAP
IRANIAN PETROLEUM STANDARDS
C
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
REV.
DEFINITION
ANCHOR
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
7
31
MISCELLANEOUS
ABBREVIATION
lb
POUND (S)
OZ
OUNCE
lbf
psi
psia
psig
rpm
rps
scf/h
scf/min.
B
POUNDS PER SQUARE INCH
POUNDS PER SQUARE INCH ABSOLUTE
POUNDS PER SQUARE INCH GAGE (GAUGE)
REVOLUTIONS PER MINUTE
REVOLUTIONS PER SECOND
STANDARD CUBIC FEET PER HOUR
STANDARD CUBIC FEET PER MINUTE
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
OIEC
POUND FORCE
IRANIAN PETROLEUM STANDARDS
C
REV.
DEFINITION
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
6
31
MISCELLANEOUS UNITS
ABBREVIATION
BARREL
bbl/h
BARRELS PER HOUR
bbl/d
Btu
Btu/h
BARRELS PER DAY
BRITISH THERMAL UNIT
BRITISH THERMAL UNIT PER HOUR
cp
CENTI POISE
ft
FOOT
F
ft/min.
ft/sec.
ft 3 /h
ft 3 /min
ft 3 /sec.
ft 3
DEGREE FAHRENHEIT
FEET PER MINUTE
FEET PER SECOND
CUBIC FEET PER HOUR
CUBIC FEET PER MINUTE
CUBIC FEET PER SECOND
CUBIC FEET
gal/h
GALLONS PER HOUR
HP
HIGH POINT / HIGH PRESSURE
gal/min.
hp
Hz
IMP
in
in 3
GALLONS PER MINUTE
HORSE POWER
HERTZ
IMPERIAL (BRITISH UNIT)
INCH(ES)
CUBIC INCH
kV
KILO VOLT
kWh
KILO WATT HOUR
kVA
yd 3
KILO VOLT AMPERE
CUBIC YARD
IRANIAN PETROLEUM STANDARDS
C
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
REV.
DEFINITION
bbl
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
5
31
ABBREVIATION
DEFINITION
at
atm
bar
TECHNICAL ATMOSPHERE
STANDARD ATMOSPHERE
BAR
c
cm
d
g
h
j
K
kg
kg/m3
kg/s
kgf
kgf.m
kgf.m/s
kj/s
DEGREE CELSIUS
CENTIMETRE
DAY
GRAM
HOUR
JOULE
KELVIN
KILOGRAM
KILOGRAM PER CUBIC METRE
KILOGRAM PER SECOND
KILOGRAM-FORCE
KILOGRAM-FORCE METRE
KILOGRAM-FORCE METRE PER SECOND
KILOJOULE PER SECOND
m3/h
min
mm
mm2
N
CUBIC METRE PER HOUR
MINUTE
MILLIMETRE
SQUARE MILLIMETRE
NEWTON
barg
km
KN
kw
l
m
N/m
N/mm2
Nm3/h
Pa
rad
s
t
v
BAR GAGE
KILOMETRE
KILO NEWTON
KILOWATT
LITRE
METRE
NEWTON PER METRE
NEWTON PER SQUARE MILLIMETRE
NOMINAL CUBIC METRE PER HOUR
PASCAL
RADIAN
SECOND
TONNE
VOLT
IRANIAN PETROLEUM STANDARDS
C
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
REV.
SI-UNIT
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
4
31
REFRENCE STANDARDS
ABBREVIATION
ANSI
AMERICAN NATIONAL STANDARDS INSTITUTE
ASME
AMERICAN SOCIETY OF MECHANICAL ENGINEERS
API
ASNT
ASTM
AWS
AWWA
EJMA
ISA
MSS
NACE
NFPA
PFI
PPI
SI
TEMA
UBC
AMERICAN PETROLEUM INSTITUTE
AMERICAN SOCIETY OF NONDESTRUCTIVE TESTING
AMERICAN SOCIETY FOR TESTING MATERIALS
AMERICAN WELDING SOCIETY
AMERICAN WATER WORKS ASSOCIATION
EXPANSION JOINT MANUFACTURERS ASSOCIATION
INSTRUMENT SOCIETY OF AMERICA
MANUFACTURERS STANDARDIZATION SOCIETY
OF THE VALVE AND FITTINGS INDUSTRY
NATIONAL ASSOCIATION OF CORROSION
ENGINEERS
NATIONAL FIRE PROTECTION ASSOCIATION
PIPE FABRICATION INSTITUTE
PLASTIC PIPE INSTITUTE
SYSTEM INTERNATIONAL
TUBULAR EXCHANGER MANUFACTURERS
ASSOCIATION
UNIFORM BUILDING CODE
IRANIAN PETROLEUM STANDARDS
C
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
REV.
DEFINITION
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
3
31
CONTENTS
INDEX
PAGE No.
COVER ..................................................................................................
1
INDEX .................................................................................................
2
STANDARDS.........................................................................................
3
SI-UNITS .............................................................................................
4
MISCELLANEOUS UNITS
....................................................................5,6
.....................................................................7 TO 30
A TO Z ABBREVIATIONS
ABBREVIATION OF SYMBOLS
............................................................31
IRANIAN PETROLEUM STANDARDS
C
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
REV.
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
2
31
ABBREVIATIONS
OF PIPING & INSTRUMENT
DRAWINGS
THIS DWG. SUPERSEDES DWG. No.A-0-5000
IRANIAN PETROLEUM STANDARDS
C
B
NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION
A
REV.
DESCRIPTION
ABBREVIATIONS OF
DATE PIPING & INSTRUMENT
DATE
DRAWING No.
IPS-D-PI-100
SHT REV.
1
31