1、CarriercatalystAir催化剂载运空气CDRChemicalDrain化学污水放净CHWChilledwater冷冻冷水（指0之上）CLChlorine氯CMChemicals化学品CNSCleansewage清净下水COCoolingoil冷油（冷却油）COOCarbondioxide二氧化碳CRSContaminatedrainandsewage污染下水（指污染的雨水、冲洗水、放净水、排水）CSWChilledsaltwater冷冻盐水（指0以下）CTMCoolingtransfermaterial冷载体CWCoolingwater冷却水CWRCoolingwaterretur
2、n冷却水回水CWSCoolingwatersupply冷却水供水DAWDealkalizedwater脱碱水（用于除盐水系统）DEWDemineralizedwater除盐水（脱盐水）DFDryFlare干火炬排放气DRDrain排水、排液DWDomesticwater生活用水、饮用水EAExhaustair排出空气EREthane（orethylene）refrigerant乙烷（或乙烯）冷冻剂ESExhauststeam排出蒸汽FFlareexhaust火炬排放气FAFillingAir填充空气FGFuelgas燃料气FLGFluegas烟道气FLWFiltratedwater过滤水FOF
3、ueloil燃料油FOSFoamingsolution泡沫液FRFreonrefrigerant氟里昂冷冻剂FTFusedsalt熔盐FWFirewater消防水GOGlandoil填料油GWGasedwater加气水、溶气水HHydrogen氢气HAHydrochloricacid盐酸HCHighpressurecondensate高压蒸汽凝液HFHotFlare热火炬排放气HOHeatingoil热油、加热油、热载油HSHighpressuresteam高压蒸汽HSSHighpressuresaturatedsteam高压饱和蒸汽HSUHighpressuresupersteam高压过热蒸
4、汽HTMHeattransfermaterial热载体HWHotwater热水HWRHotwaterreturn热水回水（用于采暖、加热、空调等）HWSHotwatersupply热水给水（用于采暖、加热、空调等）HYLHydraulicliquid液压液体HYOHydraulicoil液压油HYWHydraulicwater液压水IAInstrumentair仪表空气ICWIntermadiatecoolingwater冷却水二次用水IDWIndustrialsnddomesticwater生产和生活用水IGInertgas惰性气体ISIndustrialsewage生产污水（泛指工艺过程产
5、生的污水）IWIndustrialwater生产用水LCLowpressurecondensate低压蒸汽凝液LDLiquiddrain排液（泛指工艺排液）LOLubricatingoil润滑油LSLowpressuresteam低压蒸汽LSSLowpressuresaturatedsteam低压饱和蒸汽LSULowpressuresupersteam低压过热蒸汽MCMediumpressurecondensate中压蒸汽凝液MRMethanerefrigerant甲烷冷冻剂MSMediumpressuresteam中压蒸汽MSSMediumpressuresaturatedsteam中压饱和
6、蒸汽MSUMediumpressuresupersteam中压过热蒸汽NNitrogen氮气NGNaturalgas天然气OLOil油（泛指除原料外的油）OSOilysewage含油污水OXOxygen氧气PAPlantair工厂空气PCProcessCondensate工艺冷凝液PRPropane（orpropylene）refrigerant丙烷（或丙烯）冷冻剂PWPolishedwater精制水QOQuenchOil急冷油QWQuenchwater急冷水RRefrigerant冷冻剂、冷媒、制冷剂RAWRawwater原水RCSRainwaterandcleansewage雨水及清净下水
7、（指清净的雨水、冲洗水、放净水、排水）RW雨水SSteam蒸汽SASulphuricacid硫酸SEWSeawater海水SFWSoftwater软水（软化水）SGStackGasSLSealingliquid密封液SOSealingoil密封油SSSanitarysewage生活污水STAStartingAir开车空气SUSludge,slurry污泥、泥浆SWSealingwater密封水TCTurbineCondensate透平凝液TWTreatedwastewater处理后的废（污）水TWFFiltrationTreatedWaterTWPPurifiedTreatedWater澄清水
8、VEVacuunexhaust真空排放气VGVentgas放（排）空气体WWater水WACWasteacid废酸WCAWastecaustic废碱WFWetFlare湿火炬排放气WGWastegas废气WLWasteliquid废液WOWasteoil废油WSWastesolid废渣WWWastewater废水（各种污水统称）WWCChemicalWasteWater化学污水WWPProductionWasteWater生产污水WWSSanitaryWasteWater3管道仪表流程图上的缩写词3.1按英文字母顺序排列的缩写词缩写词用于图纸上的说明和标注。缩写词Airdrive气力（空气）驱
9、动Analysis分析ABSAbsolute绝对的Acrylonitrile-butadiene-styrene丙烯腈丁二烯苯乙烯ABS.EI.Absoluteelevation绝对标高ACFAdvancedcertifiedfinal先期确认图纸资料ADPTAdapter连接头AFCApprovedforconstruction批准用于施工AFDApprovedfordesign批准用于设计AFPApprovedforplanning批准用于规划设计AGLAngle角度AGL.VAnglevalve角阀（角式截止阀）ALTAltitude高度、海拔ALUM.Aluminum铝ALY.STL.
10、Alloysteel.合金钢AMTAmount总量、总数APPROXApproximate近似的ASB.Asbestos石棉ASPH.Asphalt沥青A.S.S.Austeniticstainlesssteel奥氏体不锈钢ATMAtmosphere大气、大气压AUTOAutomatic自动的AVGAverage平均的、平均值BBuyer买方、买主BARBarometer气压计、气压表BA.VBallvalve球阀B/B（B-B）Backtoback背至背B.BBybuyer买方负责BBL（bbl）Barrel桶、桶装B.CBetweencenters二者中心之间（中心距）BD.VBiowdo
11、wnvalve泄料阀、排污阀BFBlindflange盲法兰B.INSTByinstrument由仪表（专业）负责BLBatterylimit界区线范围、装置边界BLDBlind挡板、盲板BLC.VBlockvalve切断阀B.MBenchmark基准点、水准BOMBillofmaterial材料表、材料单BOPBottomofpipe管底BOTBottom底BPBackpressure背压B.PBurstingpressure爆破压力B.PTBoilingpoint沸点BRS.Brass黄铜BR.VBreathervalve呼吸阀BRZ.Bronze青铜B.SByseller由卖主负责BTF
12、.VButterflyvalve蝶阀BURBurner燃烧器、烧嘴B.VByvendor由制造厂（卖主）负责Cap管帽CABCelluloseacetatebutyrate醋酸丁酸纤维素C.BCatchbasin雨水井（池）、集水井（池）、滤污器C/C（C-C）Centertocenter中心到中心CCNClientchangenotice用户变更通知C.DCloseddrain密闭排放C/E（C-E）Centertoend中心到端头（面）CEMI.NDCementlined衬水泥的CENTCentrifugal离心式、离心力、离心机CERA.Ceramic陶瓷C/F（C-F）Centerto
13、face中心到面CFCertifiedfinal最终确认图纸资料CGCenterofgravity重心CHCondensateheader冷凝液收集管CHA.OPERChainoperated链条操纵的C.I.Castiron铸铁CIRCCirculate循环CIRC.Circumference圆周C.L（）Centerline中心线Class等级CLNCClearance间距、容积、间隙CNDConduit水管、导管、管道CNDSCondensate冷凝液C.OCleanout清扫（口）、清除（口）CODContinuedondrawing接续图COEFCoefficient系数COLCol
14、umn塔、柱、列COMBCombination组合、联合COMBUCombustion燃烧COMPRCompressor压缩机CONCConcentric同心的CONC.Concrete混凝土CONC.REDConcentricreducer同心异径管CONDENCondenser冷凝器COND.Condition条件、情况CONNConnect,connecting连接、管接头CONTControl控制CONTDContinued连接、续CONT.VControlvalve控制阀COP.Copper铜、紫铜CPEChlorinatedpolyether氯化聚醚CPMSSConsolidate
15、dpipingmaterialsummarysheet综合管道材料表CPLGCoupling联轴器、管箍、管接头CPVCChlorinatedpolyvinylchloride氯化聚氯乙烯C.S.Carbonsteel碳钢CSCCarsealclose关闭状态下铅封（未经允许不得开启）CSOCarsealopen开启状态下铅封（未经允许不得关闭）C.STL.Caststeel铸钢CSTGCasting铸造、铸件、浇注CTRCenter中心C.VCheckvalve止回阀、单向阀CYLCylinder钢瓶、汽缸、圆柱体DDensity密度Driver驱动机、发动机DAMPDamper调节挡板DA
16、.PDashpot缓冲筒（器）DBLDouble双、复式的DC.Designcondition设计条件DDIDetaildesignissue详细设计版DEGDegree度、等级DF.Designflow设计流量D.FDrinkingfountain喷嘴式饮水龙头DHDistributeheader分配管（蒸汽分配管）DIADiameter直径、通径DIMDimension尺寸、因次DISCHDischarge排料、出口、排出DISTRDistribution分配DIVDivision部分、分割、隔板DNNominaldiameter公称（名义）通径Down下DP.Designpressure
17、设计压力D.PTDewpoint露点DP.VDiaphragmvalve隔膜阀DR.Drive驱动、传动DRN排放、排水、排液DSGNDesign设计DSSSDesignspecificationsummarysheet设计规定汇总表DT.Designtemperature设计温度DV.VDivertingvalve（reversingvalve）换向阀DWGDrawing图纸、制图DWGNO.Drawingnumber图号EEast东Combustionengine内燃机Gasengine燃气机ECCEccentric偏心的、偏心器（轮、盘、装置）ECCREDEccentricreducer
18、偏心异径管E.FElectricfurnace电炉ELElevation标高、立面ELECElectricity,electric电、电的EMEREmergency事故、紧急ENCLEnclosure外壳、罩、围墙EPExplosionproof防爆EPDMEthylenepropylenedienemonomer乙烯丙烯二烃单体EPREthylenepropylenerubber乙丙橡胶EQEquation公式、方程式E.S.SEmergencyshutdownsystem紧急关闭系统ESTEstimate估计etc.Andsoon（etcetera）等等ETLEffectivetubele
19、ngth有效管长EXHExhaust排气、抽空、取尽EXISTExisting现有的、原有的EXPExpansion膨胀EXP.JTExpansionjoint伸缩器、膨胀节、补偿器FBT.VFlush-bottomtankvalve罐底排污阀FCFailclosed故障（能源中断）时阀关闭FDFlangedanddished法兰式的和碟形的（圆板形的）F.DFloordrain地面排水口、地漏FEFlangedend法兰端部F/F（F-F）Facetoface面到面FFFlatfaced（fullface）平面（全平面、满平面）F.HFirehose消防水龙带FHFlatheab平盖FIFa
20、ilindeterminate故障（能源中断）时阀处任意位置FIG.Figure图FLFaillocked（lastposition）故障（能源中断）时阀保持原位（最终位置）Floor楼板、楼面Flange法兰FLGDFlanged法兰式的FL.PTFlashpoint闪点FMFFemalefsce凹面Failopen故障（能源中断）时阀开启FOBFlatonbottom底平FOTFlatontop顶平FPC.VFlapcheckvalve翻板止回阀FPRFFireproof防火F.PTFreezingpoint冰点FSFlushingsupply冲洗源F.STL.Forgedsteel锻钢F
21、S.VFlushvalve冲洗阀FTFFittingtofitting管件直连FTGFitting管件FT.VFootvalve底阀F.W.Fieldweld现场焊接G（GENR）Generator发电机、动力发生机、发生器GALVGalvanize电镀、镀锌G.CIGreycastiron灰铸铁GENGeneral壹般的、通用的、总的GLGlass玻璃G.LGroundlevel地面标高GL.VGlobevalve截止阀G.OPERGearoperator齿轮操作器GOVGovernor调速器GRGrade等级、度GRDGround地面GRPGroup组、类、群GR.WTGrossweight总（毛）重GSGassupply气体源GSKTGasket垫片、密封垫G.VGatevalve闸阀Height高HA.PHandpump（wobblepump）手摇泵HAZ
