AC交流电AlternatingCurrentEXPVLV膨胀阀ExpansionValvePSIA磅/平方英寸(绝对值)PoundsPerSquareInchAbsoluteALLIRON全铁结构All-IronConstructionF华氏温度DegreeFahrenheitPSIG磅/平方英寸(表值)PoundsPerSquareInchGageAMERSTD美国标准AmericanStandardFF平面FlatFaceRECIRC再循环Recirculate(d)AMS自动化工程师协会的航空材料规范AeronauticalMaterialSpecificationsoftheSocietyofAutomotiveEngineersFtoF面对面FacetoFaceRF凸面RaisedFaceAPPROX近似值ApproximateFLG法兰端口FlangedEndRPM每分钟转数RevolutionsperMinuteASME美国机械工程师协会AmericanSocietyofMechanicalEngineersFM表示产品已经美国工厂相互保险研究所认证IndicatesproducthasbeenapprovedbyFactoryMutualLaboratoriesRS明杆RisingStemASTM美国实验材料协会AmericanSocietyofTestingMaterialsF/S安全因素FactorofSafetyS.A.E.美国自动化工程师协会SocietyofAutomotiveEngineersATM大气,空气AtmosphereFSPS内螺纹标准管道口径FemaleStandardPipeSizeSB螺纹旋进阀盖Screw-inBonnetBB螺栓阀盖BoltedBonnetFTLB英尺磅(功的单位)FootPoundSE螺纹端口Screwed(Threaded)EndBLR锅炉BoilerGPH加仑/小时GallonsPerHourSJ焊接连接SolderJointB/M材料清单BillofMaterialGPM加仑/分钟GallonsPerMinuteSPEC规格说明SpecificationBTU英国热量单位BritishThermalUnit(s)IBBM铸铁阀体,青铜安装IronBody,BronzeMountedSTD标准StandardC摄氏度DegreeCentigradeINLB英寸-磅Inch-poundSWP蒸汽工作压力SteamWorkingPressureCxC铜对铜CoppertoCopperIPS铁管口径IronPipeSizeTEMP温度TemperatureCDA美国铜开发协会CopperDevelopmentAssociationMSS美国阀门及其部件行业的制造商标准化协会ManufacturersStandardizationSocietyoftheValveandFittingIndustryTRIM某些阀门部件的专用术语,如阀瓣,阀座环,阀杆,和重填填料阀座衬套Termdesignatingcertainvalvepartssuchasdiscs,seatrings,stems,andrepackingseatbushingsCOND冷凝器CondenserNEC美国国家电器法典NationalElectricalCodeUB整体阀盖UnionBonnetCOP铜CopperNPT美国标准锥管螺纹AmericanStandardTaperPipeThreadUL表示经过美国保险商实验室有限公司认证的产品IndicatesproducthasbeenapprovedbyUnderwriter'sLaboratories,Inc.CSA加拿大标准协会CanadianStandardsAssociationNRS暗杆Non-RisingStemVAC真空VacuumCV止回阀CheckValveOD外径OutsideDiameterVOL提及,容量VolumeCWP冷水工作压力ColdWorkingPressureOS&Y外螺纹和轭架OutsideScrewandYokeWOG水,油,气工作压力Water,Oil,GasWorkingPressureCYL圆柱体气缸CylinderPNEU气动PneumaticWWP水工作压力WaterWorkingPressureDC直流电DirectCurrentPRESS压力PressureDD双阀瓣DoubleDiscPRV减压阀PressureReducingValvePSI磅/平方英寸PoundsPerSquareInch管道符号PipingSymbols法兰Flanged螺纹Threaded锥形和喇叭口Bell&Spigot熔焊Welded焊接Soldered1.角阀AngleValve1.1止回阀1.1Check1.4截止阀(正视图)1.4Globe(elevation)1.5截止阀(平面图)1.5Globe(plan)1.6软管角阀1.6HoseAngle与符号9.1相同SameasSymbol9.12.自动阀AutomaticValve2.1旁路2.1By-Pass2.2控制器操作2.2Governor-Operated2.3减压2.3Reducing3.止回阀CheckValve3.1角形止回阀3.1AngleCheck与符号1.1相同Sameassymbol1.13.2(直线管路)3.2(straightway)4.旋塞阀Cock5.隔膜阀DiaphragmValve6.浮球阀FloatValve7.闸阀GateValve7*.17.4电机操作7.4Motor-Operated*如果有进一步的说明,也可用作通用的停止阀。*AlsousedforgeneralSTOPVALVEsymbolwhenamplifiedbyspecification.8.截止阀GlobeValve8.2角形截止阀8.2AngleGlobe符号与1.4和1.5相同SameasSymbols1.4&1.58.4软管截止阀8.3HoseGlobe符号与9.3相同SameasSymbol9.38.4电机操作8.4Motor-Operated9.软管阀门HoseValve9.1角阀9.1Angle9.2闸阀9.2Gate9.3截止阀9.3Globe10.双重阀LockshieldValve11.快开阀Quick-OpeningValve12.安全阀SafetyValve13.停止阀StopValve符号与7.1相同SameasSymbol7.114.T形Tee14.7侧向出口(出口朝下)14.7SideOutlet(outletdown)14.8侧向出口(出口朝上)14.8SideOutlet(outletup)15.一体式Union