1、CATCatalyst催化剂CCACarrier catalyst Air催化剂载运空气CDRChemical Drain化学污水放净CHWChilled water冷冻冷水（指0以上）CLChlorine氯CMChemicals化学品CNSClean sewage清净下水COCooling oil冷油（冷却油）COOCarbon dioxide二氧化碳CRSContaminated rain and sewage污染下水（指污染的雨水、冲洗水、放净水、排水）CSWChilled salt water冷冻盐水（指0以下）CTMCooling transfer material冷载体CWCool
2、ing water冷却水CWRCooling water return冷却水回水CWSCooling water supply冷却水供水DAWDealkalized water脱碱水（用于除盐水系统）DEWDemineralized water除盐水（脱盐水）DFDry Flare干火炬排放气DRDrain排水、排液DWDomestic water生活用水、饮用水EAExhaust air排出空气EREthane（or ethylene）refrigerant乙烷（或乙烯）冷冻剂ESExhaust steam排出蒸汽FFlare exhaust火炬排放气FAFilling Air填充空气FGF
3、uel gas燃料气FLGFlue gas 烟道气FLWFiltrated water 过滤水FOFuel oil燃料油FOSFoaming solution泡沫液FRFreon refrigerant氟里昂冷冻剂FTFused salt熔盐FWFire water 消防水GOGland oil填料油GWGased water加气水、溶气水HHydrogen氢气HAHydrochloric acid盐酸HCHigh pressure condensate高压蒸汽凝液HFHot Flare热火炬排放气HOHeating oil热油、加热油、热载油HSHigh pressure steam高压蒸汽
4、HSSHigh pressure saturated steam高压饱和蒸汽HSUHigh pressure super steam高压过热蒸汽HTMHeat transfer material热载体HWHot water 热水HWRHot water return热水回水（用于采暖、加热、空调等）HWSHot water supply热水给水（用于采暖、加热、空调等）HYLHydraulic liquid液压液体HYOHydraulic oil液压油HYWHydraulic water液压水IAInstrument air仪表空气ICWIntermadiate cooling water冷却
5、水二次用水IDWIndustrial snd domestic water生产和生活用水IGInert gas惰性气体ISIndustrial sewage生产污水（泛指工艺过程产生的污水）IWIndustrial water生产用水LCLow pressure condensate低压蒸汽凝液LDLiquid drain排液（泛指工艺排液）LOLubricating oil润滑油LSLow pressure steam低压蒸汽LSSLow pressure saturated steam低压饱和蒸汽LSULow pressure super steam低压过热蒸汽MCMedium press
6、ure condensate中压蒸汽凝液MRMethane refrigerant甲烷冷冻剂MSMedium pressure steam中压蒸汽MSSMedium pressure saturated steam中压饱和蒸汽MSUMedium pressure super steam中压过热蒸汽NNitrogen氮气NGNatural gas天然气OLOil油（泛指除原料外的油）OSOily sewage含油污水OXOxygen氧气PAPlant air工厂空气PCProcess Condensate工艺冷凝液PRPropane（or propylene）refrigerant丙烷（或丙烯）
7、冷冻剂PWPolished water精制水QOQuench Oil急冷油QWQuench water急冷水RRefrigerant冷冻剂、冷媒、制冷剂RAWRaw water原水RCSRain water and clean sewage雨水及清净下水（指清净的雨水、冲洗水、放净水、排水）RW雨水SSteam蒸汽SASulphuric acid硫酸SEWSea water海水SFWSoft water软水（软化水）SGStack GasSLSealing liquid密封液SOSealing oil密封油SSSanitary sewage生活污水STAStarting Air开车空气SUSl
8、udge,slurry污泥、泥浆SWSealing water密封水TCTurbine Condensate透平凝液TWTreated waste water处理后的废（污）水TWFFiltration Treated WaterTWPPurified Treated Water澄清水VEVacuun exhaust真空排放气VGVent gas放（排）空气体WWater水WACWaste acid废酸WCAWaste caustic废碱WFWet Flare湿火炬排放气WGWaste gas废气WLWaste liquid废液WOWaste oil废油WSWaste solid废渣WWWas
9、te water废水（各种污水统称）WWCChemical Waste Water化学污水WWPProduction Waste Water生产污水WWSSanitary Waste Water3 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Air drive气力（空气）驱动Analysis分析ABSAbsolute绝对的Acrylonitrile-butadiene-styrene丙烯腈丁二烯苯乙烯ABS.EI.Absolute elevation绝对标高ACFAdvanced certified final先期确认图纸资料ADPTAdap
10、ter连接头AFCApproved for construction批准用于施工AFDApproved for design批准用于设计AFPApproved for planning批准用于规划设计AGLAngle角度AGL.VAngle valve角阀（角式截止阀）ALTAltitude高度、海拔ALUM.Aluminum铝ALY.STL.Alloy steel.合金钢AMTAmount总量、总数APPROXApproximate近似的ASB.Asbestos石棉ASPH.Asphalt沥青A.S.S.Austenitic stainless steel奥氏体不锈钢ATMAtmospher
11、e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.VBall valve球阀B/B（B-B）Back to back背至背B.BBy buyer买方负责BBL（bbl）Barrel桶、桶装B.CBetween centers二者中心之间（中心距）BD.VBiowdown valve泄料阀、排污阀BFBlind flange盲法兰B.INSTBy instrument由仪表（专业）负责BLBattery limit界区线范围、装置边界BLDBlind挡板、盲板BLC.VBlock valve切断阀B.
12、MBench mark基准点、水准BOMBill of material材料表、材料单BOPBottom of pipe管底BOTBottom底BPBack pressure背压B.PBursting pressure爆破压力B.PTBoiling point沸点BRS.Brass黄铜BR.VBreather valve呼吸阀BRZ.Bronze青铜B.SBy seller由卖主负责BTF.VButterfly valve蝶阀BURBurner燃烧器、烧嘴B.VBy vendor由制造厂（卖主）负责Cap管帽CABCellulose acetate butyrate醋酸丁酸纤维素 C.BCat
13、ch basin雨水井（池）、集水井（池）、滤污器C/C（C-C）Center to center中心到中心CCNClient change notice用户变更通知C.DClosed drain密闭排放C/E（C-E）Center to end中心到端头（面）CEM I.NDCement lined衬水泥的CENTCentrifugal离心式、离心力、离心机CERA.Ceramic陶瓷C/F（C-F）Center to face中心到面CFCertified final最终确认图纸资料CGCenter of gravity重心CHCondensate header 冷凝液收集管CHA.OPE
14、RChain operated链条操纵的C.I.Cast iron铸铁CIRCCirculate循环CIRC.Circumference圆周C.L（）Center line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.OClean out清扫（口）、清除（口）CODContinued on drawing接续图COEFCoefficient系数COLColumn塔、柱、列COMBCombination组合、联合COMBUCombustion燃烧COMPRCompressor压缩机CONCConcentri
15、c同心的CONC.Concrete混凝土CONC.REDConcentric reducer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.VControl valve控制阀COP.Copper铜、紫铜CPEChlorinated polyether氯化聚醚CPMSSConsolidated piping material summary sheet综合管道材料表CPLGCoupling联轴器、管箍、管接头CPVCChlorinat
16、ed polyvinyl chloride氯化聚氯乙烯C.S.Carbon steel碳钢CSCCar seal close关闭状态下铅封（未经允许不得开启）CSOCar seal open开启状态下铅封（未经允许不得关闭）C.STL.Cast steel铸钢CSTGCasting铸造、铸件、浇注CTRCenter中心C.VCheck valve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.PDash pot缓冲筒（器）DBLDouble双、复式的DC.Design condition设计条件DDIDet
17、ail design issue详细设计版DEGDegree度、等级DF.Design flow设计流量D.FDrinking fountain喷嘴式饮水龙头DHDistribute header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DNNominal diameter公称（名义）通径Down下DP.Design pressure设计压力D.PTDew point露点DP.VDiaphragm valve隔膜阀DR.Drive驱
18、动、传动DRN排放、排水、排液DSGNDesign设计DSSSDesign specification summary sheet设计规定汇总表DT.Design temperature设计温度DV.VDiverting valve（reversing valve）换向阀DWGDrawing图纸、制图DWG NO.Drawing number图号EEast东Combustion engine内燃机Gas engine燃气机ECCEccentric偏心的、偏心器（轮、盘、装置）ECC REDEccentric reducer偏心异径管E.FElectric furnace电炉ELElevatio
19、n标高、立面ELECElectricity,electric电、电的EMEREmergency事故、紧急ENCLEnclosure外壳、罩、围墙EPExplosion proof防爆EPDMEthylene propylene diene monomer乙烯丙烯二烃单体EPREthylene propylene rubber乙丙橡胶EQEquation公式、方程式E.S.SEmergency shutdown system紧急关闭系统ESTEstimate估计etc.And so on（et cetera）等等ETLEffective tube length有效管长EXHExhaust排气、抽
20、空、取尽EXISTExisting现有的、原有的EXPExpansion膨胀EXP.JTExpansion joint伸缩器、膨胀节、补偿器FBT.VFlush-bottom tank valve罐底排污阀FCFail closed故障（能源中断）时阀关闭FDFlanged and dished法兰式的和碟形的（圆板形的）F.DFloor drain地面排水口、地漏FEFlanged end法兰端部F/F（F-F）Face to face面到面FFFlat faced（full face）平面（全平面、满平面）F.HFire hose消防水龙带FHFlat heab平盖FIFail indet
21、erminate故障（能源中断）时阀处任意位置FIG.Figure图FLFail locked（last position）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.PTFlash point闪点FMFFemale fsce凹面Fail open故障（能源中断）时阀开启FOBFlat on bottom底平FOTFlat on top顶平FPC.VFlap check valve翻板止回阀FPRFFireproof防火F.PTFreezing point冰点FSFlushing supply冲洗源F.STL.Forged steel锻钢FS.VFlush valve冲洗阀FTFFitting to fitting管件直连FTGFitting管件FT.VFoot valve底阀F.W.Field weld现场焊接G（GENR）Generator发电机、动力发生机、发生器GALVGalvanize电镀、镀锌G.CIGrey cast iron灰铸铁GENGeneral一般的、通用的、总的GLGlass玻璃G.LGround level地面标高GL.VGlobe valve截止阀G.OPERGear o
