常见的PID图例缩写符号

LINE SERVICE IDENTIFICATION SYMBOL SERVICE
符号帮手
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
高压蒸汽凝液
SC SURFACE CONDENSATE
概况凝液
DS DILUTION STEAM
稀释蒸汽
HS HIGH PRESSURE STEAM
高压蒸汽
MS MEDIUM PRESSURE STEAM
中压蒸汽
LS SUPERHEATED LOW PRESSURE STEAM
过热高压蒸汽
PS SATURATED LOW PRESSURE STEAM
饱和高压蒸汽
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-CONTAMINATED POLLUTION DRAIN
无污染排放
OD OILY DRAIN
油污
EXHAUST AND VENT SYSTEMS
AV ATMOSPHERIC VENT (NOT FROM PSV)通年夜气（不从平安阀）
SV SAFETY VALVE TO ATMOSPHERE
平安伐排年夜气
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 WASHING OIL
冲刷油（压缩机）PROCESS SERVICE (NORMAL) P PROCESS
工艺REFRIGERANT SYSTEMS
BR BINARY REFRIGERANT
二元制冷
PR PROPYLENE REFRIGERANT
丙烯冷剂
WATER SYSTEMS
水系统
BFW BOILER FEED WATER
锅炉给水
FW FIRE WATER
消防水
IW INTERMEDIATE WATER
二次水
CWR COOLING WATER RETURN
冷却水回水
CWS COOLING WATER SUPPLY
冷却水
PW POLISHED WATER
工艺水
QW QUENCH WATER
急冷水
UW UTILITY WATER
工业水
WW WASTE WATER
废水
MISCELLANEOUS ABBREVIATION AND SERVICE SYMBOLS 各种缩写和符号
A AIR MOTOR
空气马达
ACC ACCESSIBLE
可接近的
ATM ATMOSPHERE
年夜气
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
CONN CONNECTION
连接
CSC CAR SEAL CLOSED
关闭锁定
CSO CAR SEAL OPEN
翻开锁定
DEC DETAIL ENGINEERING CONTRACTOR
工程承包商详细资料
EOR END OF RUN
运行结束
SOR
EW EYEWASH
洗眼
FLG FLANGE
法兰
LC LOCKED CLOSED
锁定关闭
LO LOCKED OPEN
锁定翻开
NC NORMALLY CLOSED
正常情况下关闭
NNF NORMALLY NO FLOW
正常情况下无流量
NO NORMALLY OPEN
正常情况下翻开
S SAMPLE CONNECTION
取样点
SC SAMPLE CONNECTION WITH COOLER
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
平安喷淋
T LINE DRIP TRAP
疏水器
TSO TIGHT SHUT OFF
密闭切断
UC UTILITY CONNECTION
公用工程接口
LINES
MAIN LINE
主线
SECONDARY LINE
副线
UNDERGROUND OR BURY
地下或隐藏
ELECTRICALLY 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
BATTERY LIMIT BOUNDARY
界区分界线
FUTURE
未来
MATERIAL SPEC BREAK
资料规格分界点
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（冲刷）
REMOVABLE SPOOL
可裁撤短管
NOZZLE OR PIPE WITH BLIND FLANGE 带盲法兰的喷嘴或管线
SPACER FOR BLIND
盲管位置
NORMALLY CLOSED
正常情况下关闭
NORMALLY OPEN
正常情况下翻开
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 VALVE)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 BALANCESTREAM NUMBER
物流号
CONTINUTY ARROW
延续箭头
INITIAL FEED
初始进料
GRADE
品级
TRENCH
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
VALVES
GATE VALVE
闸阀
BUTTERFLY VALVE
蝶阀
DIAPHRAGM VALVE
隔膜阀
GLOBE VALVE
球阀
NEEDLE VALVE
针型阀
PLUG VALVE
截止阀
BALL VALVE
球阀
CHECK VALVE
止逆阀
STOP CHECK VALVE(BOILER NON-RETURN VALVE)带手轮止逆阀
THREE 0R FOUR VALVE
三通或四通阀
MULTI PORT PLUG
多向切断阀
ANGLE VALVE
角阀
DUAL TANDEM BLOWNDOWN VALVES
两段排污阀
RAN TYPE VALVE
R型阀
T-TYPE GLOBE VALVE
T型球阀
AUTOMATIC RECIRCULATION VALVE
自动再循环阀
INTERLOCKED VALVES(MECHANICAL LINK))
机械联动阀
QUICK OPENING OR CLOSING VALVE
快速开关阀
VALVE WITH BODY CAVITY RELIEF OR BODY BLEED CONNECTION
带有排放阀的阀门
DAMPER
挡板
APPROPRIATE ABBREVIATION
合适的缩写
SLIDE GATE VALVE
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
单位名称
E–ETHYLENE
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
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
VALVE WITH INDICATOR 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 ONLY ALL TYPES)泵
LIQUID RING VACUUM PUMP 水环式真空泵COMPRESSOR
压缩机
SINGLE STAGE RECIPROCATING MULTI-STAGE RECIPROCATING CENTRIFUGAL
离心式
ROTARY
旋转式
BLOWER FAN
鼓风机
BLOWER (PFD ONLY ALL TYPES)鼓风机
COMPRESSOR (PFD ONLY)
压缩机
SCREW
螺杆式
DRIVER
驱动装置
ELECTRIC MOTOR
电动马达
DIESEL ENGINE .ETC
柴油发念头
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
扩年夜室
HEAT EXCHANGER
换热器
SHELL AND TUBE HEAT EXCHANGER
管壳式换热器
HORIZONTAL SHELL AND TUBE HEAT EXCHANGER 水平式管壳式换热器
VERTICAL SHELL AND TUBE HEAT EXCHANGER 垂直式管壳式换热器
SINGEL SECTION DOUBLE PIPE EXCHANGER TWO SECTION DOUBLE PIPE EXCHANGER
AIR COOLER
空冷器
AIR COOLER (PFD ONLY)
空冷器
KETTLE TYPE REBOILER OR STEAM GENERATOR KETTLE TYPE EXCHANGER (PFD ONLY) GRAPHITE BLOCK TYPE EXCHANGER
PLATE EXCHANGER
DRAWING IDENTIFICATION
图形说明
REVISION NO.
修订号
DRAWING NO.
图号
AREA NO.
区号
JOB NO.
工号
DRAWING SIZE
VESSELS AND FURNACES
容器和炉子
FLOATING ROOF TANK
浮顶罐
CONE ROOF TANK WITH INTERNAL COIL
带内盘管锥型顶罐
COLUMN
柱型
PACKING
INTERNAL BAFFLE
VORTEX BREAKER
旋风分离器
CABIN TYPE HEATER WITH EXTERNAL CROSS-OVERS HORIZONAL TYPE HEATER WITH INTERNAL CROSSOVERS 内部有交叉的水平加热管
VESSEL ELEVATIONS
离空中高度
INSULATION CODE
保温代码
D ANTI-SWEAT INSULATION
防水保温
E ELECTRICAL TRACING
F FULL HEAT CONSERVATION
H NORMAL HEAT CONSERVATION
一般保温
M DUAL SERVICE INSULATION
P PERSONNEL PROTECTION
防护人员
S SPECIAL
特殊的
T STEAM TRACING
V ACOUSTICAL
听力的
BREAK OF RESPONSIBILITY
SYMBOL FOR LOCATION OF TIE-IN POINT CONNECTED
U NEW ETHYLENE STORAGE AREA
乙烯新区的
V OSBL (ON NORTH SIDE RACK)
W OSBL (ON MAIN RACK IN FRONT OF NEW HEATER)
X OSBL (ON SOUTH SIDE RACK)
Y OSBL (COOLING WATER)
E EXISTING AREA
D DPG AREA
C4 C4 HYDRO AREA
D(W) DPG AREA AND THROUGH THE TIE-IN POINT(W) ON
THE RACK
C4(U) C4 HYDRO AREA AND THROUGH THE TIE-IN POINT(U) ON THE RACK
E(W) EXISTING AREA AND THROUGH TIE-IN POINT(W) ON THE RACK
E(X) EXISTING AREA AND THROUGH TIE-IN POINT(X) ON THE RACK
GENERAL NOTES
1. FOR INSTRUMENTATION SYMBOLS SEEDWG NO.0005B
仪表符号参阅图DWG NO.0005B
2.FLOW DIAGRAMS ARE DIAGRAMATIC ONLY .ROUTING
OF PIPELINES MUST BE INVESTIGATED FOR VENTING。