管道英文及缩写

Pipe管EL弯头ElbowELL长半径弯头LongradiuselbowELS短半径弯头Shortradiuselbow斜接弯头（虾米腰弯头）Mitreelbow

REL异径弯头Reducingelbow

T三通Tee

ZLT斜三通LateralteeRT异径三通Reducingtee

R异径管接头（大小头）Reducer同心异径管接头（同心大小头）ConcentricreducerER偏心异径管接头（偏心大小头）EccentricreducerCPL管箍Coupling双头管箍FullcouplingHCPL单头管箍HalfcouplingRCPL异径管箍Reducingcoupling内外螺纹接头Bushing活接头UnionHC软管接头HosecouplerSE翻边短节Stubend

短节PipenippleorstraightnippleSNIP异径短节SwagednippleCP管帽（封头）Cap

PL管堵（丝堵）PlugBLK盲板BlankSB8字盲板Spectacleblind

RP补强板Reinforcingpad法兰缩写中文名称英文名称PLG法兰FlangeWNF对焊法兰WeldingneckflangeSOF平焊法兰Slip-onflangeDSWF承插焊法兰Socket-weldingflange

T螺纹法兰ThreadedflangeLJ松套法兰Lappedjointflange

REDF异径法兰ReducingflangeBF法兰盖（日法兰）BlindflangeFSF法兰密封面FlangescalingfaceFF全平面FlatfaceRF凸台面RaisedfaceMFF凹凸面MaleandfemalefaceNLF凹面FemalefaceLM凸面Maleface

RJ环连接面Ringjointface

TG榫槽面TongueandgroovefaceTF榫面Tongueface

GF槽面GroovefaceG垫片Gasket

HNMG非金属垫片Non-metallicgasketAG石棉垫片AsbestosgasketRG橡胶垫片Rubbergasket

TEG聚四氟乙烯包复垫片PTFEenvelopegasket半金属垫片Semimetallicgasket

MJG金属包垫片Meta-jacketgasketSWG缠绕式垫片Spiralwoundgasket

MG金属垫片MetallicgasketFMG金属平垫片FlatmetallicgasketMSG齿形金属垫片SolidmetalserratedgasketLER透镜式金属环垫LensringgasketOCR八角形金属环垫OctagonalringgasketOVR椭圆形金属环垫OvalringgasketOR内外定位环Innerringandouterring

IR内定位环InnerringOR外定位环Outerring坚固件缩写中文名称英文名称B螺栓Bolt

SB螺柱StudboltNU螺母Nut

TB花蓝螺母TurnbuckleWSR垫圈WasherSWSR弹簧垫圈Springwasher阀门缩写中文名称英文名称

GV闸阀Gatevalve

SGLV截止阀Globevalve

CHV止回阀CheckvalveBUV蝶阀Butterflyvalve

BAV球阀Ballvalve

PV旋塞阀Plugvalve（cock）

CV调节阀Controlvalve,U,SV安全阀Safetyvalve

ORV减压阀PressurereducingvalveST蒸汽疏水阀Steamtrap

LPRV泄压阀PressurreliefvalveBV呼吸阀BreathervalveNV针形阀Needlevalve

AV角阀DV隔膜阀TWV三通阀

GV插板阀缩写中文名称英文名称CTC中心至中心CentertocenterCTF中心至面CentertofaceCTE中心至端部CentertoendETE端到端Endtoend

FEF法兰端面FlangeandfaceFTF面到面Facetoface

D直径Diameter

DN公称直径NominaldiameterID内径InsidediameterOD外径OutsidediameterDIM尺寸Dimension

MAX最大Maximum

MIN最小MinimumAVG平均AverageAPP约、近似Approximate

PT.EL点标高Pointelevation缩写中文名称英文名称

PFD工艺流程图ProcessflowdiagramPID管道和仪表流程图Piping&instrumentdiagram

COD接续图ContinuedondrawingDTL详图Datail（ISODWG）管段图Spooldrawing（eachlineisometricdrawing）DWGNO图号DrawingnumberDDWGI所在图号DrawingidentificationLOW材料表ListofmaterialMTO汇料Materialtake-ofAPPX附录Appendix工号JobNumber

BEDD基础工程设计数据Basicengineeringdesigndata详细工程设计数据Detailengineeringdesigndata

修改号Recisionnumber

DWG参考图ReferencedrawingSC采样接口Sampleconnection操作方式及工作参数缩写中文名称英文名称

AUT自动AutomaticML手动Manualcontrol

CHOP链条操作Chainoperate

CSC铅封关Carsealclose

CSO铅封开Carsealopen

LC锁闭Lockclosed

LO锁开LockopenNC正常关NormallycloseNO正常开NormallyopenATM大气压Atmosphere

NPN公称压力Nominalpressure

A绝压G表压（T）温度Temperature（P）压力Pressure施工缩写中文名称英文名称W焊接Welding

AW电弧焊ArcweldingGSAW气体保护电弧焊Gasshielded-acrweldingEFW电熔焊Elecricfusionwelding

ERW电阻焊ElectricResistanceweldingGW气焊GasweldingLW搭接焊LapweldingBW对焊ButtweldingTW定位焊TackweldingSW承插焊Socketwelding

CW连续焊ContinuousweldingSEW密封焊SealweldingSFG堆焊SurfacingFW现场焊接FieldweldingHT热处理HeattreatmentSR应力消除StressreliefPWHT焊后热处理PostweldheattreatmentEIT检查、探伤和实验Examination,inspection&testingVE外观检查Visualexamination

UI（UT）超声探伤Ultrasonicinspection（test）RI（RT）射线探伤Radiographicinspection（test）

MPI（MT）磁粉探伤Magneticparticleinspection（test）PI（PT）液体渗透检验Liquidpenterantinspection（test）HADT硬度实验HardnesstestingHYDT水压实验HydraulictestingPNET气压实验Pneumatictesting焊条CoveredelectrodeWW焊丝WeldingwireASSY装配、组合Assembly

F现场FieldF/F现场制造FieldfabricatedSF现场决定SuitinfieldCSP冷紧ColdspringBCT螺栓冷紧BoltcoldtighteningBHY螺栓热紧BolthottighteningCO清洗口Cleanout

ANNY退火AnnealedPE平端面PlainendBE坡口端BelelledendTHR螺纹Thread;HB布氏硬度BrinnelhardnessRC洛氏硬度缩写中文名称英文名称FDN基础Foundation

INF信息（资料）Information

REF参考Reference

REV修改Revision9SEQ序号（顺序）SequenceW/E设备带来Withequipment

W/I仪表带来WithinstrumentCM色标Colourmark

CA腐蚀裕度Corrosionallowance

UTL公用系统Utility

UC公用工程接头UtilityconnectionQTY数量Quantity

WT重量WeightMHR工时ManhourBC螺栓分布圆BoltcircleHP高点HighpointLP低点LowpointSUC吸入（口）