Drawing Abbreviations
Abbreviations commonly found in drawings are shown below:
A
- ACTR - acturator
- AG - above ground
- AG - above grade
- ALLOW - allowance
- AB - anchor bolt
- APPROX - approximate
- AVG - average
B
- BBE - bevel both ends
- BBL - barrel
- BC - begin curve
- BC - bolt circle
- BE - bevel end
- BE - buttweld end
- BF - blind flange
- BFG - bevel for weld
- BFW - boiler feed water
- BG - below ground
- BG - below grade
- BL - blower
- BLD - blind
- BLDG - building
- BLE - bevel one end
- BLR - boiler
- BM - bench mark
- BOC - bottom of concrete
- BOL - bottom of line
- BOP - bottom of pipe
- BOP - blow out preventer
- BOT - bottom
- BSE - bevel small end
- BTFLV - butterfly valve
- BV - ball valve
- BW - butt weld or buttweld
- BWF - butt weld fitting or buttweld fitting
C
- C-C - center to center
- CA - corrosion allowance
- CB - catch basin
- CB - compact body
- CCC - cold cut and weld
- CE - consulting engineer
- CG - casing gas
- CHE - chemical engineer
- CHEM - chemical
- CI - cast iron
- CL - centerline
- CMP - corrugated metal pipe
- COL - column
- CP - control panel
- CPLG - coupling
- CPVC - chlorinated polyvinyl chloride
- CR - control room
- CRSN - corrosion
- CS - carbon steel
- CS - cast steel
- CTR - center
- CV - check valve
- CW - continous weld
D
- DI - ductile iron
- DIP - ductile iron pipe
- DR - drain
- DSAW - double sumberged arc weld
- DWG - drawing
E
- EC - end curve
- EE - electrical engineer
- EI - electronic interface
- ENCL - enclosure
- EOP - end of pipe
- ELEC - electric
- ELECDR - electric drive
- ELECT - electrical
- ELECTC - electronic control
- ELEK - electronic
- ELMCH - electromechanical
- EMD - electric power drive
- ER - electrical resistance
- ERW - electric resistance weld
- ES - electronic switch
- EVM - electronic voltmeter
- EW - each way
- EW - electric weld
- EXPF - expander flange
F
- F-F - face to face
- FB - full body
- FBF - full barrel flange
- FC - fail close
- FCS - forged carbon steel
- FDN - foundation
- FF - flat face
- FG - fuel gas
- FLG - flange
- FLTR - filter
- FLTR - filtration
- FND - foundation
- FO - fail open
- FOB - flat on bottom
- FOE - flange one end
- FOT - flat on top
- FPT - female pipe thread
- FST - forged steel
- FSTNR - fastener
- FTG - fitting
- FW - field weld
- FW - fillet weld
G
- GALV - galvanizeed
- GLV - globe valve
- GND - ground
- GR - grade
- GSKT - gasket
- GV - gate valve
H
- HACR - Heating, Air Conditioning and Refrigeration
- HBF - heavy barrel flange
- HE - head
- HE - heat exchanger
- HEX - heat exchanger
- HO - hot oil
- HVAC - Heating, Ventilation and Air Conditioning
- HVACR - Heating, Ventilation, Air Conditioning and Refrigeration
- HW - hot water
I
- INSUL - insulate
- INSUL - insulation
J
- JB - junction box
L
- LACT - lease automatic custody transfer
- LC - locked closed
- LDR - ladder
- LM - list of materials
- LJF - lap joint flange
- LO - locked open
- LO - lube oil
- LP - low pressure
- LR - long radius
- LWNF - long weld neck flange
M
- MATL - material
- MB - machine bolt
- ME - mechanical engineer
- MECH - mechanical
- MH - manhole
- MI - malleable iron
- MIN - minimum
- MJ - mechanical joint
- ML - material list
- MK - mark
- MW - manway
N
- NC - normally closed
- NO - normally open
- NOM - normal
- NTS - not to scale
O
- OC - on center
- OD outside diameter
- OR - outside radius
- ORFF - orifice flange
- OUT - outlet
P
- PBE - plain both ends
- PD - pressure drain
- PE - plane end
- PE - professional engineer
- PG - produced gas
- PL - plate
- PNL - panel
- PO - produced oil
- PO - pump out
- POC - pump of controller
- POC - point of connection
- POE - plain one end
- PRV - pressure relief valve
- PS - pipe support
- PT - point
- PV - plug valve
- PV - pressure vessel
- PVC - polyvinyl chloride
R
- RAD - radius
- RE - registered engineer
- RF - raised face
- REDCF - reducing flange
- REINF - reinforcing
- REPAD - reinforcing pad
- REV - revision
- RF - raised face
- RTJ - ring type joint
- RTJF - ring type joint flange
- RV - relief valve
S
- SAF - safety
- SAW - submerged arc weld
- SCHED - schedule
- SCR - screw
- SCR'D - screwed
- SE - safety engineer
- SE - system engineer
- SECT - section
- SKT - socket
- SMLS - seamless
- SOC - socket
- SOF - slip-on flange
- SP - spare
- SR - short radius
- SRPT - support
- SS - stainless steel
- STD - standard
- SUCT - suction
- SW - salt water
- SW - socket weld
- SWF - socket weld fitting
- SWF - socket weld flange
- SYS - system
T
- TBE - thread both end
- THRD - threaded
- THRDF - threaded flange
- TK - tank
- TOC - top of concrete
- TE - thread end
- TLE - thread large end
- TO - threads only
- TOE - thread on end
- TOP - top of pipe
- TOS - top of steel
- TOS - top of steel
- TP - tie in point
- TPI - threads per inch
- TRHF - threaded flange
- TSE - thread small end
- TURB - turbine
- TW - thermowell
V
- V - valve
- V - vessel
- VAC - vacuum
- VERT - vertical
- VSL - vessel
W
- WLD - welded
- WLDR - welder
- WLDS - weldess
- WNF - weld neck flange
- WT - weight
- WW - waste water
X
- XFMR - transformer
Tags: Design Abbreviations