管道专业常用英文缩写
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缩写中文名称英文名称P管子PipeEL弯头ElbowELL长半径弯头Long radius elbowELS短半径弯头Short radius elbowMEL斜接弯头(吓米腰弯头)Mitre elbowREL异径弯头Reducing elbowT三通TeeLT斜三通Lateral teeRT异径三通Reducing teeR异径管接头(大小头)ReducerCR同心异径管接头(同心大小头)Concentric reducerER偏心异径管接头(偏心大小头)Eccentric reducer CPL管箍CouplingFCPL双头管箍Full couplingHCPL单头管箍Half couplingRCPL异径管箍Reducing couplingBU内外螺纹接头BushingUN活接头UnionHC软管接头Hose couplerSE翻边短节Stub endNIP短节Pipe nipple or straight nippleSNIP异径短节Swaged nippleCP管帽(封头)CapPL管堵(丝堵)PlugBLK盲板BlankSB8字盲板Spectacle blind (blank)RP补强板Reinforcing pad缩写中文名称英文名称PLG法兰FlangeWNF对焊法兰Welding neck flangeSOF平焊法兰Slip-on flangeSWF承插焊法兰Socket-welding flangeT螺纹法兰Threaded flangeLJ松套法兰Lapped joint flangeREDF异径法兰Reducing flangeBF法兰盖(盲法兰)Blind flangeFSF法兰密封面Flange dealing faceFF全平面Flat faceRF凸平面Raised face1、管子及管件
2、法兰MFF凹平面Male and female faceLF凹面Female faceLM凸面Male faceRJ环连接面Ring joint faceTG榫槽面Tongue and groove faceTF榫面Tongue faceGF槽面Groove face缩写中文名称英文名称G垫片GasketNMG非金属垫片Non-metallic gasketAG石棉垫片Asbestos gasketRG橡胶垫片Rubber gasketTEG聚四氟乙烯包复垫片PTFE envelope gasketSMG半金属垫片Semimetallic gasketMJG金属包垫片Meta-jacket gasketSWG缠绕式垫片Spiral wound gasket MG金属垫片Metallic gasketFMG金属平垫片Flat metallic gasketSMSG齿形金属垫片Solid metal serrated gasketLER透镜式金属环垫Lens ring gasketOCR八角形金属环垫Octagonal ring gasket OVR椭圆形金属环垫Oval ring gasketIR/OR内外定位环Inner ring and outer ringIR内定位环Inner ringOR外定位环Outer ring 缩写中文名称英文名称B螺栓BoltSB螺柱Stud boltNU螺母NutTB花篮螺母TurnbuckleWSR垫圈WasherSWSR弹簧垫圈Spring washer缩写中文名称英文名称GV闸阀Gate valveGLV截止阀Globe valveCHV止回阀Check valveBUV蝶阀Butterfly valve3、垫片
4、紧固件
5、阀门BAV球阀Ball valvePV旋塞阀Plug valve(cock)CV调节阀Control valveSV安全阀Safety valveRV减压阀Pressur reducing valveST蒸汽疏水阀Steam trapperPRV泄压阀Pressur relief valveBV呼吸阀Breather valveNV针形阀Needle valveAV角阀DV隔膜阀TWV三通阀SGV插板阀缩写中文名称英文名称SPR气液分离器SeparatorFA阻火器Flame arresterSR过滤器StrainerSRYY型过滤器Y-type strainerSRTT型过滤器T-type strainerSRB桶式过滤器Bucket type strainerTSR临时过滤器TemporarySIL消声器SilencerSG视镜Sight glassSC取样冷却器Sample coolerDF排液漏斗Drain funnelLM管道混合器Line mixerRO限流孔板Restriction orificeMO混合孔板Mixing orificeRD爆破片（爆破膜）Rupture diskEJ补偿器（膨胀节）Expansion joint缩写中文名称英文名称INS隔热Thermal insulationH保温Hot insulationC保冷Cold insulationP防烫伤隔热Personnel protection insulationT&I伴热Tracing and insulation T管道伴热（冷）TracingEST蒸汽外伴热External steam tracingIST蒸汽内伴热Internal steam tracing6、管道上用的小型设备
7、隔热、伴热SJT蒸汽夹套伴热Steam-jacket tracingET电伴热Electric tracing缩写中文名称英文名称M金属材料Metallic materialCS碳钢Carbon steelCAS铸钢Cast steelFS锻钢Forged steelAS合金钢Alloy steelSS不锈钢Stainless steelAUST·SS奥氏体不锈钢Austenitic stainless-steelCI铸铁Cast ironMI可锻铸铁Malleable ironDI球墨铸铁Ductile ironAL铝AluminumBRS黄铜BrassBRZ青铜BronzeCU紫铜CopperLAS低合金钢Low alloy steelFLAS低合金锻钢For low alloy steelCLAS低合金铸钢Cast low alloy steelTHK壁厚ThicknessSCH表号Schedule numberSTD标准StandardXS加强Extra strongXXS特强Double extra strong缩写中文名称英文名称CN建北Construction northE东EastW西WestS南SouthN北NorthH水平HorizontalV竖直、铅直、直立VerticalGRD地坪GroundUG地下UndergroundBL装置边界线Battery limit lineESEW事故淋浴洗眼器Emergency shower and eye washerHS软管站Hose stationML持续分界线Match line8、配管材料和等级
9、装置布置PS管道支架（管架）Piping supportPR管桥Pipe rackSTRU构架（构筑物）StructureBLDG建筑物BuildingPD清扫设施Purge devicePT池PitSHLT棚ShelterCOFF围堰CofferdamFL楼板FloorPF平台Plateform缩写中文名称英文名称EL标高EBOP管底BCOP管中心CTOP管顶TFOB底平FFOT顶平FCL(屯）中心线CTL切线TSYM对称的SBOS支架底BTOS支架顶TCL净距（净空）CCTC中心至中心CCTF中心至面CCTE中心至端部CETE端到端EFEF法兰端面FFTF面到面FD直径DDN公称直径DID内径IOD外径ODIM尺寸DMAX最大MMIN最小MAVG平均AAPP约、近似APT、EL点标高P缩写中文名称英文名称11、图表10、尺寸标注工艺流程图管道和仪表流程图接续图详图管段图SPDWG（ISOD-WG）DWG-NO
