-
LINE
SERVICE
IDENTIFICATION
SYMBOL
SERVICE
符号
帮助
AIR
SYSTEMS
空气系统
IA
INSTRUMENT
AIR
仪表风
PA
PLANT AIR
工厂风
DA
烧焦空气
STEAM
AND
CONDENSATE
SYSTEMS
蒸汽和凝液系统
HC
HIGH
PRESSURE
CONDENSATE
高压蒸汽凝液
MC
MEDIUM
PRESSURE
CONDENSATE
中压蒸汽凝液
LC
LOW
PRESSURE
CONDENSATE
低压蒸汽凝液
SC
SURFACE
CONDENSA
TE
表面凝液
DS
DILUTION
STEAM
稀释蒸汽
HS
HIGH
PRESSURE
SREAM
高压蒸汽
MS
MEDIUM
PRESSURE
STEAM
中压蒸汽
LS
SUPERHEATED
LOW
PRESSURE
STEAM
过热低压蒸汽
PS
SATURATED
LOW
PRESSURE
STEAM
饱和低压蒸汽
SHS
SUPER
HIGH
PRESSURE
STEAM
超高压蒸汽
DRAIN
SYSTEMS
排放系统
CD
CHEMICAL
DRAIN
化污
LD
LIQUID
DRAIN
液体排放
ND
NON-CONTAMINA
TED
POLLUTION
DRAIN
1
无污染排放
OD
OIL
Y
DRAIN
油污
EXHAUST
AND
VENT
SYSTEMS
AV
ATMOSPHERIC
VENT
(NOT
FROM
PSV)
通大气（不从安全阀）
SV
SAFETY
V
ALVE
TO
A
TMOSPHERE
安全伐排大气
FLARE
SYSTEMS
火炬系统
DF
DRY
FLARE
干火炬
WF
WET
FLARE
湿火炬
GAS
SYSTEMS
气体系统
FG
FUEL
GAS
燃料气
HG
HYDROGEN
氢气
NG
NITROGEN
氮气
SPECIAL
LIQUID
SYSTEMS
特殊液体系统
CL
CAUSTIC
腐蚀性
QO
QUENCH
OIL
急冷油
SO
SEAL
OIL
密封油
WO
W
ASHING
OIL
冲洗油（压缩机）
PROCESS
SERVICE
(NORMAL)
P
PROCESS
工艺
REFRIGERANT
SYSTEMS
BR
BINARY
REFRIGERANT
二元制冷
PR
PROPYLENE
REFRIGERANT
2
丙烯冷剂
WATER
SYSTEMS
水系统
BFW
BOILER
FEED
WA
TER
锅炉给水
FW
FIRE
WATER
消防水
IW
INTERMEDIATE
WATER
二次水
CWR
COOLING
WA
TER
RETURN
冷却水回水
CWS
COOLING
W
A
TER
SUPPL
Y
冷却水
PW
POLISHED
WA
TER
工艺水
QW
QUENCH
W
ATER
急冷水
UW
UTILITY
WA
TER
工业水
WW
W
ASTE
W
ATER
废水
MISCELLANEOUS
ABBREVIATION
SYMBOLS
各种缩写和符号
A
AIR
MOTOR
空气马达
ACC
ACCESSIBLE
可接近的
ATM
ATMOSPHERE
大气
BL
BATTERY
LIMIT
界区
BTS
BUBBLE
TIGHT
SHUT-OFF
缓慢紧密切断
BV
BY
VENDOR
由供应商提供
AND
SERVICE
3
CONN
CONNECTION
连接
CSC
CAR
SEAL
CLOSED
关闭锁定
CSO
CAR
SEAL
OPEN
打开锁定
DEC
DETAIL
ENGINEERING
CONTRACTOR
工程承包商详细资料
EOR
END
OF
RUN
运行结束
SOR
EW
EYEW
ASH
洗眼
FLG
FLANGE
法兰
LC
LOCKED
CLOSED
锁定关闭
LO
LOCKED
OPEN
锁定打开
NC
NORMALL
Y
CLOSED
正常情况下关闭
NNF
NORMALL
Y
NO
FLOW
正常情况下无流量
NO
NORMALL
Y
OPEN
正常情况下打开
S
SAMPLE
CONNECTION
取样点
SC
SAMPLE
CONNECTION
连接冷却器的取样点
SOR
START
OF
RUN
开始运行
SR
STRAINER
过滤器
SS
SAFETY
SHOWER
安全喷淋
T
LINE
DRIP
TRAP
疏水器
TSO
TIGHT
SHUT
OFF
密闭切断
UC
UTILITY
CONNECTION
公用工程接口
WITH
COOLER
4
LINES
MAIN
LINE
主线
SECONDARY
LINE
副线
UNDERGROUND
OR
BURY
地下或隐藏
ELECTRICALL
Y
TRACED
电缆线
SPECIAL
TRACED
特殊管线
STEAM
TRACED
蒸汽伴热
JACKETED
夹套
PACKAGED
EQUIP
BOUNDARY
成套设备分界线
BA
TTERY
LIMIT
BOUNDARY
界区分界线
FUTURE
未来
MATERIAL
SPEC
BREAK
材料规格分界点
DESIGN
BREAK
设计分界点
BELOW
GROUND
LINE
RISING
ABOVE
GRADE
地管伸出点
BREAK
OF
REPONSIBILITY
责任分界点
MISCELLANEOUS
ITEMS
各种细节
ROD
OUT
CONNECTION
CLEAN
OUT
CONNECTION
(FLUSHING)
清理接口（冲洗）
REMOV
ABLE
SPOOL
可拆除短管
NOZZLE
OR
PIPE
WITH
BLIND
FLANGE
带盲法兰的喷嘴或管线
SPACER
FOR
BLIND
盲管位置
5
NORMALL
Y
CLOSED
正常情况下关闭
NORMALL
Y
OPEN
正常情况下打开
FIGURE
B
B
图
REVERSIBLE
BLIND
8
字盲板
ORIFICE
SWAGE
孔板
INSULATED
FLANGED
JOINT
保温法兰连接
PIPE
CAP
(WELDED)
管帽（焊接）
PIPE
CAP
(SCREWED)
管帽（法兰）
REDUCER
变径管
T-STRAINER
T
型过滤器
PERMANENT
Y-STRAINER
(WITH
V
ALVE)
带阀门
Y
型过滤器
TEMPORARY
STRAINER
临时过滤器
HOSE CONNECTION
软管接口
SAMPLE
CONNECTION
取样口
**-SERVICE
SYMBOL
符号说明
SEQUENCE
NUMBER
序列号
OPEN
DRAIN
HUB
敞口集液器
MATERIAL
BALANCE
STREAM
NUMBER
物流号
CONTINUTY
ARROW
延续箭头
INITIAL
FEED
初始进料
GRADE
等级
TRENCH
6
地沟
LINE
IDENTIFICATION
管线说明
INSULATION
CODE
保温代码
MATERIAL
SPECIFICATION
材质
BRANCH
IDENTIFIER
分支标识
SEQUENCE
NUMBER
管线号
PROCESS
SECTION
AREA(MAY
BE
SINGLE
DIGIT)
工艺区
LINE
SERVICE
SYMBOL
管线符号说明
LINE
SIZE
管线尺寸
V
ALVES
GA
TE
V
ALVE
闸阀
BUTTERFL
Y
V
ALVE
蝶阀
DIAPHRAGM
V
ALVE
隔膜阀
GLOBE
V
ALVE
球阀
NEEDLE
V
ALVE
针型阀
PLUG
V
ALVE
截止阀
BALL
VALVE
球阀
CHECK
V
ALVE
止逆阀
STOP
CHECK
V
ALVE(BOILER
NON-RETURN
V
ALVE)
带手轮止逆阀
THREE
0R
FOUR
V
ALVE
7
三通或四通阀
MULTI
PORT
PLUG
多向切断阀
ANGLE
V
ALVE
角阀
DUAL
TANDEM
BLOWNDOWN
VALVES
两段排污阀
RAN
TYPE
V
ALVE
R
型阀
T-TYPE
GLOBE
V
ALVE
T
型球阀
AUTOMA
TIC
RECIRCULATION
V
ALVE
自动再循环阀
INTERLOCKED
V
ALVES(MECHANICAL
LINK))
机械联动阀
QUICK
OPENING
OR
CLOSING
V
ALVE
快速开关阀
V
ALVE
WITH
BODY
CA
VITY
RELIEF
OR
BODY
BLEED
带有排放阀的阀门
DAMPER
挡板
APPROPRIATE
ABBREVIATION
合适的缩写
SLIDE
GATE
V
ALVE
滑动闸阀
EQUIPMENT
IDENTIFACATION
设备符号
SUPPLIED
WITH
VENDOR
EQUIPMENT
供应商提供的设备
SPARE(A,B,C,ETC
USED
IF
PARALLEL
UNITS)
同一设备的编号
SEQUENCE
NUMBER
序列号
AREA
NUMBER
区号
EQUIPMENT
CODE
OF
ACCOUNT
设备代码
UNIT
DESIGNATION
单元名称
E
–
ETHYLENE
CONNECTION
8
乙烯
H
- DPG
HYDROGENATION
汽油加氢
U - UTILITY
&
OFF
SITE
公用工程
PIPING
SPECIALTY
ITEMS
AND
MISCELLANEOUS
EQUIPMENT
特殊管项和各种设备
ALL
PIPING
SPECIALTY
ITEMS
ARE
IDENTIFIED
所有特殊管线有以下注明
SEQUENCE
NUMBER
( NUMBERED
IN
SAME
WAY
AS
INSTRUMENT )
序列号（与仪表排序相同）
EXHAUST
HEAD
负呀总管
ATOMPHERIC
VENT
WITH
WEATHER
CAP
防雨放空管
DUPLEX
STRAINER
相同的过滤器
PERMANENT
BASKET
STRAINER
提篮式过滤器
FLEXIBLE
HOSE
金属软管
EXPANSION
JOINT
膨胀节
INLINE
MIXERS
OR
VENTURI
TYPE
DESUPER
HEATER
内嵌式混合器或文丘里型混合器
SILENCER
消音器
EJECTOR
OR
EDUCTOR
喷射器
FILTER
过滤器
FILTER
WITH
HOOD
带罩过滤器
CONDENSATE
TRAP
(NON-PROCESS)
凝液疏水器
FIRE
PROTECTION
9
消防
FIRE
HYDRANT
消防炮
FIRE
HYDRANT
WITH
MONITOR
带监视器的消防栓
FIRE
HYDRANT
WITH
PUPPER
CONNECTION
消防栓
HOSE
HOUSE
消防箱
V
ALVE
WITH
INDICA
TOR
POST
带指示的阀
MONITOR
监视器
EM
IF
ELEVATED
PUMP
泵
CENTRIFUGAL
离心泵
METERING
OR
RECIPROCATING
计量泵或往复式泵
ROTARY
{GEAR
,SCREW }
齿轮泵
VERTICAL
SUMP
PUMP
立式污水泵
VERTICAL
CANNED
PUMP
(PFD
ONL
Y
ALL TYPES)
泵
LIQUID
RING
V
ACUUM
PUMP
水环式真空泵
COMPRESSOR
压缩机
SINGLE
STAGE
RECIPROCATING
MULTI-STAGE
RECIPROCATING
10
CENTRIFUGAL
离心式
ROTARY
旋转式
BLOWER
FAN
鼓风机
BLOWER
(PFD
ONL
Y
ALL TYPES)
鼓风机
COMPRESSOR
(PFD
ONL
Y)
压缩机
SCREW
螺杆式
DRIVER
驱动装置
ELECTRIC
MOTOR
电动马达
DIESEL
ENGINE
.ETC
柴油发动机
APPROPRIATE
ABBREVIATION
相应的缩写
A
AIR
空气
D
DIESEL
柴油
H
HYDRAULIC
水力的
M
ELECTRIC
电气的
STEAM
TURBINE
蒸汽涡轮
EXPANDER
扩大室
HEAT
EXCHANGER
换热器
SHELL
AND
TUBE
HEAT
EXCHANGER
11