管道安装工程常用英文缩写
1、管子及管件
缩写中文名称英文名称
P管子Pipe
U型管Return Bend
弯管Bends
EL弯头Elbow
碳钢弯头 Carbon Steel Elbow
不锈钢弯头Stainless Steel Elbow
高压弯头 High-Pressure Elbow
高压厚壁弯头Thickness Elbow
ELL长半径弯头Long radius elbow
90°长半径弯头90°SS Elbow (LR)
ELS短半径弯头Short radius elbow
90°短半径弯头90°SS Elbow (SR)
长径和短径弯头 long and short radius elbows MEL斜接弯头(吓米腰弯头)Mitre elbow
REL异径弯头Reducing elbow
T三通Tee
等径三通Straight Tee
异径三通Reducing Tee
碳钢等径三通Carbon Straight Tee
不锈钢等径三通Stainless Straight Tee
LT斜三通Lateral tee
RT异径三通Reducing tee
高压三通High-pressure Tee
锻制三通 Forged Tee
等径和异径三通straight and reducing outlet tees
等径四通Straight Cross
不锈钢等径四通Stainless Straight Cross
R异径管接头(大小头)Reducer
CR同心异径管接头(同心大小头)Concentric reducer
ER偏心异径管接头(偏心大小头)Eccentric reducer
同心和偏心异径接头 concentric and eccentric reducers
高压异径管 High-pressure Reducers
CPL管箍Coupling
FCPL双头管箍Full coupling
HCPL单头管箍Half coupling
RCPL异径管箍Reducing coupling
异径接头 Template
BU内外螺纹接头Bushing
UN活接头Union
HC软管接头Hose coupler
SE翻边短节Stub end
NIP短节Pipe nipple or straight nipple SNIP异径短节Swaged nipple
CP管帽(封头)Cap
PL管堵(丝堵)Plug
BLK盲板Blank
SB8字盲板Spectacle blind (blank)
RP补强板Reinforcing pad
2、法兰
缩写中文名称英文名称
PLG法兰Flange
WNF对焊法兰Welding neck flange
SOF平焊法兰Slip-on flange
SWF承插焊法兰Socket-welding flange
T螺纹法兰Threaded flange
LJ松套法兰Lapped joint flange
REDF异径法兰Reducing flange
BF法兰盖(盲法兰)Blind flange
FSF法兰密封面Flange dealing face
FF全平面Flat face
RF凸平面Raised face
MFF凹平面Male and female face
LF凹面Female face
LM凸面Male face
RJ环连接面Ring joint face
TG榫槽面Tongue and groove face
TF榫面Tongue face
GF槽面Groove face
3、垫片
缩写中文名称英文名称
G垫片Gasket
NMG非金属垫片Non-metallic gasket
AG石棉垫片Asbestos gasket
RG橡胶垫片Rubber gasket
TEG聚四氟乙烯包复垫片PTFE envelope gasket SMG半金属垫片Semimetallic gasket
MJG金属包垫片Meta-jacket gasket
SWG缠绕式垫片Spiral wound gasket
MG金属垫片Metallic gasket
FMG金属平垫片Flat metallic gasket
SMSG齿形金属垫片Solid metal serrated gasket LER透镜式金属环垫Lens ring gasket
OCR八角形金属环垫Octagonal ring gasket OVR椭圆形金属环垫Oval ring gasket
IR/OR内外定位环Inner ring and outer ring IR内定位环Inner ring
OR外定位环Outer ring
4、紧固件
缩写中文名称英文名称
B螺栓Bolt
SB螺柱Stud bolt
NU螺母Nut
TB花篮螺母Turnbuckle
WSR垫圈Washer
SWSR弹簧垫圈Spring washer
5、阀门
缩写中文名称英文名称
GV闸阀Gate valve
GLV截止阀Globe valve
CHV止回阀Check valve
BUV蝶阀Butterfly valve
BAV球阀Ball valve
PV旋塞阀Plug valve(cock)
CV调节阀Control valve
SV安全阀Safety valve
RV减压阀Pressur reducing valve ST蒸汽疏水阀Steam trapper
PRV泄压阀Pressur relief valve
BV呼吸阀Breather valve
NV针形阀Needle valve
AV角阀
DV隔膜阀
TWV三通阀
SGV插板阀
6、管道上用的小型设备
缩写中文名称英文名称
SPR气液分离器Separator
FA阻火器Flame arrester
SR过滤器Strainer
SRY Y型过滤器Y-type strainer
SRT T型过滤器T-type strainer
SRB桶式过滤器Bucket type strainer
TSR临时过滤器Temporary
SIL消声器Silencer
SG视镜Sight glass
SC取样冷却器Sample cooler
DF排液漏斗Drain funnel
LM管道混合器Line mixer
RO限流孔板Restriction orifice
MO混合孔板Mixing orifice
RD爆破片（爆破膜）Rupture disk
EJ补偿器（膨胀节）Expansion joint
7、隔热、伴热
缩写中文名称英文名称
INS隔热Thermal insulation
H保温Hot insulation
C保冷Cold insulation
P防烫伤隔热Personnel protection insulation T&I伴热Tracing and insulation
T管道伴热（冷）Tracing
EST蒸汽外伴热External steam tracing
IST蒸汽内伴热Internal steam tracing
SJT蒸汽夹套伴热Steam-jacket tracing
ET电伴热Electric tracing
8、配管材料和等级
缩写中文名称英文名称
M金属材料Metallic material
CS碳钢Carbon steel
CAS铸钢Cast steel
FS锻钢Forged steel
AS合金钢Alloy steel
SS不锈钢Stainless steel
AUST·SS奥氏体不锈钢Austenitic stainless-steel
CI铸铁Cast iron
MI可锻铸铁Malleable iron
DI球墨铸铁Ductile iron
AL铝Aluminum
BRS黄铜Brass
BRZ青铜Bronze
CU紫铜Copper
LAS低合金钢Low alloy steel
FLAS低合金锻钢For low alloy steel
CLAS低合金铸钢Cast low alloy steel
THK壁厚Thickness
SCH表号Schedule number
STD标准Standard
XS加强Extra strong
XXS特强Double extra strong
9、装置布置
缩写中文名称英文名称
CN建北Construction north
E东East
W西West
S南South
N北North
H水平Horizontal
V竖直、铅直、直立Vertical
GRD地坪Ground
UG地下Underground
BL装置边界线Battery limit line
ESEW事故淋浴洗眼器Emergency shower and eye washer HS软管站Hose station
ML持续分界线Match line
PS管道支架（管架）Piping support
PR管桥Pipe rack
STRU构架（构筑物）Structure
BLDG建筑物Building
PD清扫设施Purge device
PT池Pit
SHLT棚Shelter
COFF围堰Cofferdam
FL楼板Floor
PF平台Plateform
10、尺寸标注
缩写中文名称英文名称
EL标高E
BOP管底B
COP管中心C
TOP管顶T
FOB底平F
FOT顶平F
CL(屯）中心线C
TL切线T
SYM对称的S
BOS支架底B
TOS支架顶T
CL净距（净空）C
CTC中心至中心C
CTF中心至面C
CTE中心至端部C
ETE端到端E
FEF法兰端面F
FTF面到面F
D直径D
DN公称直径D
ID内径I
OD外径O
DIM尺寸D
MAX最大M
MIN最小M
AVG平均A
APP约、近似A
PT、EL点标高P
11、标准
ANSI美国国家标准委员会AMERICAN NATIONAL STANDARD INSTITUTE API美国石油学会AMERICAN PETROLEUM INSTITUTE ASME美国机械工程师协会AMERICAN SOCIETY OF MECHANICAL ENGINEERS ASTM美国材料试验协会AMERICAN SOCIETY OF TESTING AND MATERIAL
12、其他
BB螺栓连接的阀盖bolted bonnet
BC螺栓连接的阀帽bolted cover
BG螺栓连接的填料压盖bolted gland
BE坡口端面beveled end
BLE大端坡口bevel large end
BW对焊butt welding
C.A.腐蚀裕量corrosion allowance
CL压力等级class
CALC计算(壁厚)calculation
COMG金属波齿垫片corrugated metal gasket
CON同心concentric
CS碳钢carbon steel
DN公称直径nominal diameter
DSAW双面埋弧焊double submerged arc weld
ECC偏心eccentric
EFW电熔焊electric fusion welding
FIRE-S防火安全（密封）结构fire safe
FF全平面flat face
GALV镀锌的galvanized
GRAF石墨graphite
GR等级grade
HB布氏硬度brinnel hardness number HEX六角hexagonal
HT热处理heating treatment
IR内定位环inner ring
L大端（母管）large
LR长半径long radius
MM毫米milimeter
MFF凹凸面male and famale face
NPT60°锥管螺纹national standard taper pipe thread OCR八角环形垫片octagonal ring gasket
O.D.外径outside diameter
OR外定位环outer ring
OS&Y明杆支架型outside screw and yoke
PBE两端平口plain both ends
PE平口plain end
PL板式平焊slip-on welding plate
PPL对位聚苯polyphenyl
PSB压力密封阀盖pressure seal bonnet
PSE小端平口plain small end
PWHT焊后热处理post weld heat treatment R55°锥管外螺纹taper pipe external thread R C55°锥管内螺纹taper pipe internal thread RED异径的reduced
RF突面raised face
RJ环连接面ring joint face
TB螺纹连接的阀盖threaded bonnet
TBE两端螺纹threaded both ends
TEMP温度temperature
TFWT壁厚偏差tolerance of wall thickness THR螺纹thread
TOE一端螺纹threaded one end
TRI-ECC三偏心Thr-eccentric
TSE小端螺纹threaded small ends
S小端（支管）small
SAW埋弧焊submerged arc weld
SCH壁厚等级schedule
SMLS无缝的seamless
SO平焊slip-on
S-OUT吹扫孔steam-out
SR应力消除stress relief
SR短半径short radius
STL司太立合金stellite
SS不锈钢stainless steel
SW承插焊socket welding
WFR对夹式wafer
WN带颈对焊welding neck
WS焊接钢管weld steel pipe UT超声检测ultrasonic test PTFE聚四氟乙烯