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1、优选文档1AARHArithmeticAverageRoughnessHeight算术平均粗糙度高度2AGSSAngularSeatingSurface角支持面3AMBAmbient环境4ANSIAmericanNationalStandardsInstitute美国国家标准协会5AOAdjustableOpening可调式开6APIAmericanPetroleumInstitute美国石油协会7ASAlloySteel合金钢8ASBAsbestos石棉9ASBRAsbestosRubber石棉橡胶10ASMEAmericanSocietyOfMechanicalEngineers美国机械工
2、程师学会11ASTMAmericanSocietyOfTestingMaterials美国资料及试验学会12AVAngleValve角阀13AWWAAmericanWaterWorksAssociation美国自来水厂协会14BVBallValve球阀15BBBoltedBonnet螺栓连接阀盖16BBEBevelBothEnds两端坡口端17BCBoltedCover螺栓连接阀帽18BEBevelEnd坡口端19BLDBlindFlange盲法兰（法兰盖）20BLSBellowsSealing涟漪管密封21BFWBoilerFeedWater锅炉给水2122BGBoltedGland螺栓连接
3、填料压盖23BLEBevelLargeEnd大端坡口端24BLKBlank插板（盲板）25BSBritishStandard英国标准26BFVButterflyValve蝶阀27BTVBreathingValve呼吸阀28BWButtWelded对焊29CCarbon/CarbonContent碳/碳含量30CACorrosionAllowance腐化裕量31CVCheckValve止回阀32CICastIron铸铁33CLCOMM.Class等级34CODECommodityCode商品代码35CONConcentric同心36CPLCoupling管箍37CRChloropreneRubb
4、er氯丁橡胶38CSCarbonSteel碳钢39DES-BoltDoubleEndStudBolt双头螺柱40DNNominalDiameter公称直径DRDripRing排污环DSAWDoubleSideArcWelding双面埋弧焊DIDuctileIron球墨铸铁DVDiaphragmValve隔膜阀EBExtendedBonnet延长阀盖ECCEccentric独爱EFWElectricalFusionWelding电熔焊ELElbow弯头ENREngineeringStandard工程标准EPDMEthylene-Propylene-DieneMonomer三元乙丙橡胶ERWEle
5、ctricalResistanceWeld电阻焊FCPLFullCoupling双承口管箍凹面/大凹面（密封面）FEFlatFace全平面（密封面）FGFlexibleGraphite柔性石墨FLBFloatingBall浮动式球阀FLGFlange法兰FNPT60FemaleNPTThreads60NPT内螺纹FPFullPort全通径FRPFiberglass-ReinforcedPlastics玻璃纤维增加塑料（玻璃钢）FTFullThreadedStudBolt全螺纹螺柱GSKGasket垫片GALVGalvanized镀锌GBPStainlessSteelWire&FlexibleG
6、raphiteBraidedPacking不锈钢丝和柔性石墨纺织填料GBPRStainlessSteelWire&FlexibleGraphiteBraidedPacking+FlexibleGraphitePackingRing不锈钢丝和柔性石墨纺织填料柔性石墨填料环GLVGlobeValve截止阀GMGGroovedMetalGasket齿形金属垫片GOGearOperation齿轮操作GRGrade级别GRAFGraphite石墨GVGateValve闸阀HAS-CHastelloy-C哈斯合金-CHCPLHalfCoupling单承口管箍HEXHexagon六角HHNHeavyHexa
7、gonalNut重型六角螺母HFHardeningFace表面硬化HFWHighFrequencyWeld高频焊HPSHighPressureService高压介质HWHandWheel手轮IDInsideDiameter内径IRInnerRing内环ISOInternationalOrganizationForStandardization国际标准组织ITImpactTest冲击试验JSJackScrew顶丝螺纹LATLateralTee斜三通LBPound磅LFFemaleFace/LargeFemale凹面/大凹面（密封面）LGLargeGroove大槽面（密封面）LGSLongitud
8、inalSeam纵向焊缝LJLapJoint松套连接LMMaleFace/LargeMale凸面/大凸面（密封面）LM/LFLargeMaleFace/LargeFemaleFace大凸面/大凹面（密封面）LNLined衬里LPLowPressure低压LRLongRadius长半径LTLargeTongue大榫面（密封面）LT/LGLargeTongueAndLargeGroove大榫面和大槽面（密封面）LTSLowTemperatureSystem低温系统LTCSLowTemperatureCarbonSteel低温碳钢LUGLugType凸耳型MAXMaximum最大MEGMetalli
9、cEnvelopeGasket金属包覆垫片MFRManufacturer制造商MHMetallicHose金属软管MIMalleableIron可锻铸铁MINMinimum最小MNPT60。MaleNPTThread60NPT外螺纹MPMediumPressure中压介质MSSAmericanValve&fittingFabricationStandardizationAssociation美国阀门及配件工业制造商标准化协会MTMagneticParticleTesting磁粉检测MTOMaterialTake-Off资料统计NBNon-Bonnet非阀盖NBENippleBothEnds两端
10、短节NBRNitrile-ButadieneRubber丁腈橡胶NoNumber编号NPSNominalPipeSize管子公称尺寸NPTNationalTaperPipe(Thread)（美国）国家锥形管螺纹NRNaturalRubber天然橡胶NVNeedleValve针形阀OCROctagonalRingGasket八角形环垫片ODOutsideDiameter外径OLETOut-Let管嘴（支管台）OROuterRing外环OS&YOutsideScrewAndYoke支架式明杆外螺纹OVOrbitValveOrbit阀门OVROvalRingGasket椭圆形环垫片P&IDPipin
11、gAndInstrumentDiagram管道和仪表流程图PPPolyethylene聚丙烯PATNPattern型式PSBPressureSealingBonnet压力密封阀盖PBEPlainBothEnds两端平端面PSCPressureSealingCap压力密封阀帽PEPlainEnd平端面PLSOPlateSlip-On板式平焊POEPlainOneEnd一端平端面PPPolyethylene聚丙烯PPLPolyphenyl聚苯PRESSPressure压力PSCPressureSealingCap压力密封阀帽PSEPlainSmallEnd小端平端面PTFEPolytetraflu
12、oroethylene聚四氟乙烯PVPlugValve旋塞阀PVCPolyvinylChloride聚氯乙烯PVDFPolyvinylideneFluoride聚偏二氟乙烯PWHTPostWeldingHeatTreatment焊后热办理RRadius半径R255TaperPipeExternalThread55锥管外螺纹Rc55TaperPipeInternalThread55锥管内螺纹RCPLReducingCoupling异径管箍REDReduced异径REPReducedPort缩径RFRaisedFace突台面（密封面）RFGReinforcedFlexibleGraphite增强柔
13、性石墨板RJ(RTJ)RingJoint(RingTroughJoint)环连接（环槽连接密封面）RJGMetallicRingJointGasket金属环连接垫片RPReinforcingPad补强板RSGReinforcedSheetGasket增强板式垫片RTRadiographicTest射线检测RPTFEReinforcedPolytetrafluoroethylene增强聚四氟乙烯RVReliefValve安全阀S-BOLTS&BSpacer&Blank垫环和插板（盲板）SBStudBolt双头螺柱SBRStyreneButadieneRubber丁苯橡胶SSStainlessSt
14、eel不锈钢SAWSubmergedArcWeld埋弧焊SBSpectacleBlank8字盲板SCVStopCheckValve截止止回阀SCHSchedule表号SEYSideEntry侧装式SFSmallFemaleFace小凹面（密封面）SFRSyntheticFiberRubber合成纤维橡胶SGSmallGroove小槽面（密封面）SMSmallMaleFace小凸面（密封面）SMLSSeamless无缝SNIPSwageNipple异径短节SOSlip-On平焊SPSSpiralSeam螺旋缝SRShortRadius短半径SRTT-TypeStrainerT-型过滤器SRYY-TypeStrainerY-型过滤器STSteamTrap蒸汽疏水器STDStandard标准STHUStraight-Through直通STLStellite斯太立合金SVSafetyValve安全阀SWSocketWelding承插焊SWBSealWeldBonnet密封焊阀盖SWGSpiralWoundGasket围绕式垫片SWNGSwingType旋启式TBThreadedBonnet螺纹连接阀
