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工艺管线介质简称代号英文全称中文全称AGAMMONIA（IMPORT）氨气（输入）ALACID酸AVATMOSPHERICVENT（NONPSV）放空（无安全阀）BABREATHINGAIR吸入空气BBBLOWDOWN（INTERMITTENTBOILER）放空（间歇锅炉）BLAMMONIA氨水BWHIGHPRESSUREBOILERFEEDWATER高压锅炉给水CACONVEYINGAIR输送空气CBCONTINUOUSBLOWDOWN（BOILER）连续排污（锅炉）CCCONTAMINATEDCONDENSATE污染凝液CDCHEMICALDRAIN化学品排放CGCHLORINE氯气CLCAUSTIC碱液DADECOKINGAIR烧焦空气DFDRYFLARE干火炬DSDILUTIONSTEAM稀释蒸汽DWDOMESTICWATER生活用水ERETHYLENEREFRIGERANT乙烯冷剂FGFUELGAS燃料气FOFUELOIL燃料油GGNATURALGAS天然气HCHIGHPRESSURECONDENSATE高压凝液HGHYDROGENGAS氢气HPNHIGHPRESSURENITROGEN高压氮气HSHIGHPRESSURESTEAM高压蒸汽HWHOTWATER热水HWFHIGHPRESSUREFIREWATER高压消防水IAINSTRUMENTAIR仪表空气ILCHEMICALINJECTION化学品注入IWINTERMEDIATEWATER中间水JJACKET加套KWCHILLEDWATERSUPPLY冷冻水供LBWLOWPRESSUREBOILERFEEDWATER低压锅炉给水LCLOWPRESSURECONDENSATE低压凝液LDLIQUIDDRAINTOFLARE至火炬的液体排污LFLOWPRESSUREFLARE低压火炬LLCLOWLOWPRESSURECONDENSATE低低压凝液LLSLOWLOWPRESSURESTEAM（DESUPERHEATED）低低压蒸汽（脱过热过热）LOLUBRICATIONOIL润滑油LPNLOWPRESSURENITROGEN低压氮气LSLOWPRESSURESTEAM（DESUPERHEATED）低压蒸汽（非过热）LSSLOWPRESSURESTEAM（SUPERHEATED）低压蒸汽（过热）LWCHILLEDWATERRETURN冷冻回水LWFLOWPRESSUREFIREWATER低压消防水MCMEDIUMPRESSURECONDENSATE中压凝液MLMETHANOL甲醇MOHOTOILSUPPLY热油供MPNMEDUIMPRESSURENITROOGEN中压氮气MSMEDUIMPRESSURESTEAM中压蒸气NDNON-CONTAMINATEDDRAIN无污染排放NFFLARE(MAIN)火炬（主要）NLLIQUIDNITROGEN液氮NOHOTOILRETURN热油回NRREFRIGERANT制冷剂NWINDUSTRIALWATER工业用水ODOILYDRAIN含油污水排放PPROCESS(HYDROCARBONS)工艺（烃类）PAPLANTAIRANDPROCESSAIR装置空气和工艺空气PBPUMPOUTS抽空PCPROCESSCONDENSATE(STYRENICS)工艺凝液（苯乙烯）PCCPROCESSCLEANCONDENSATE工艺清洁凝液PGPILOTGAS点火气PLPROPANOL丙醇PRPROPYLNENREFRIGERANT丙稀冷剂PWPROESSWATER工艺用水QWQUENCHWATER急冷水RWCOOLINGWATERRETNRN冷却回水SBSLOPS污油SCSUPERHIGHPRESSURECONDENSATE超高压凝液SDSTORMWATERDRAIN雨水排放SLWSEALWAER(COOLCONDENSATE)密封水（冷凝液）SOSEALOIL密封油SSSUPERHIGHPRESSURESTEAM超高压蒸汽SSDSOLVENTSLOPDRAIN溶剂溢出排放SVSAFETYVALVETOATMOSPHERE安全阀排放至大气SWCOOLINGWATERSUPPLY冷却水供TCTURBINECONDENSATE涡轮凝液TREQUIPEMENTTRIM设备TRIMTWTREATEDWATER(DEMINERALIZED)处理水（软化）UWUTILITYWATER公用工程用水WFWETFLARE湿火炬WOWASHOIL/FLUSHINGOIL洗油/冲洗用油(Stress&Hydraulic)全部（应力和水压）HHydraulic水压NNone无SStress应力TestMediumLegend测试介质图例APneumatic空气FFill充满HHydraulic水压LLeak泄漏NNone无SService用户ProjectDefaults项目默认PersonnelProtectionLimitTemperature:防烫极650CTestPressureTemperature：测压温度400CSteamOutTemperature：蒸汽出口温度1490CSteamOutPressure：蒸汽出口压力0.375MpagInsulationLegend保温图例保温类型保温描述中文描述DAntisweat防凝露FFullHeatConservation完全保温HNormalHeatConservation保温P1PersonnelProtectioninsulation防烫P2GuardRequiredforPersonnelProtectionNoinsulation防烫装置，无保温RCold保冷TSteamTracing蒸汽伴热VAcoustic隔声E1ElectricalTracingat5℃电伴热至5℃E2ElectricalTracingat30℃电伴热至30℃E3ElectricalTracingat50℃电伴热至50℃E4ElectricalTracingat70℃电伴热至70℃