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1、.窗体顶部LINE SERVICE IDENTIFICATION窗体底部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 CONDENSATE 表面凝液DS DILUTION STEAM 稀
2、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-CONTAMINATED POLLUTION DRAIN 无污染排放OD OILY DRAIN油污EXHAUST AND VEN
3、T SYSTEMSAV ATMOSPHERIC VENT (NOT FROM PSV) 通大气（不从安全阀）SV SAFETY VALVE TO ATMOSPHERE 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 WASHING OIL冲洗油（压缩机）PROCESS S
4、ERVICE (NORMAL)P PROCESS 工艺REFRIGERANT SYSTEMSBR 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
5、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 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
6、详细资料 EOR END OF RUN 运行结束SOREW EYEWASH 洗眼FLG FLANGE 法兰LC LOCKED CLOSED 锁定关闭LO LOCKED OPEN 锁定打开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 正常情况下打开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安全喷淋T LINE
7、DRIP TRAP 疏水器TSO TIGHT SHUT OFF 密闭切断UC UTILITY CONNECTION 公用工程接口LINESMAIN 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材料规格分界点DESIGN BREAK设计分界点BELOW
8、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 CONNECTIONCLEAN OUT CONNECTION (FLUSHING)清理接口（冲洗）REMOVABLE 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NORMALLY CLOSED正常情况下关闭NORMALLY OPEN正常情况下打开FIGURE BB 图REVERSIBLE BLIND8字盲板ORI
9、FICE 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-STRAINERT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 BALANCE STREAM NUM
10、BER物流号CONTINUTY ARROW延续箭头INITIAL FEED初始进料GRADE等级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VALVESGATE 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 VALVER型阀T
