化工管件英文缩写汇总1 管子及管件编号缩写中文名称英文名称1.1P管子Pipe1.2EL弯头ElbowELL长半径弯头LongradiuselbowELS短半径弯头ShortradiuselbowMEL斜接弯头（虾米腰弯头）MitreelbowREL异径弯头Reducingelbow1.3T三通TeeLT斜三通LateralteeRT异径三通Reducingtee1.4R异径管接头（大小头）ReducerCR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）Eccentricreducer1.5CPL管箍Coupling1.5.1FCPL双头管箍Fullcoupling1.5.2HCPL单头管箍Halfcoupling1.5.3RCPL异径管箍Reducingcoupling1.6BU内外螺纹接头Bushing1.7UN活接头Union1.8HC软管接头Hosecoupler1.9SE翻边短节 Stubend1.10NIP短节Pipenippleorstraightnipple1.10.1SNIP异径短节Swagednipple1.11CP管帽（封头）Cap1.12PL管堵（丝堵）Plug1.13BLK盲板Blank1.13.1SB8字盲板Spectacleblind（blank）1.14RP补强板Reinforcingpad2法兰编号缩写中文名称英文名称2.1PLG法兰FlangeWNF对焊法兰WeldingneckflangeSOF平焊法兰Slip-onflangeSWF承插焊法兰Socket-weldingflangeT螺纹法兰ThreadedflangeLJ松套法兰LappedjointflangeREDF异径法兰ReducingflangeBF法兰盖（日法兰）Blindflange2.2FSF法兰密封面FlangescalingfaceFF全平面FlatfaceRF凸台面RaisedfaceMFF凹凸面Maleａndfemaleface2.2.4LF凹面FemalefaceLM凸面MalefaceRJ环连接面RingjointfaceTG榫槽面TongueａndgroovefaceTF榫面TonguefaceGF槽面Grooveface3 垫片编号缩写中文名称英文名称3.1G垫片Gasket3.1.1NMG非金属垫片Non-metallicgasket3.1.1.1AG石棉垫片Asbestosgasket3.1.1.2RG橡胶垫片Rubbergasket3.1.1.3TEG聚四氟乙烯包复垫片PTFEenvelopegasket3.1.2SMG半金属垫片Semimetallicgasket3.1.2.1MJG金属包垫片Meta-jacketgasket3.1.2.2SWG缠绕式垫片Spiralwoundgasket3.1.3MG金属垫片Metallicgasket3.1.3.1FMG金属平垫片Flatmetallicgasket3.1.3.2SMSG齿形金属垫片Solidmetalserratedgasket3.1.3.3LER透镜式金属环垫Lensringgasket3.1.3.4OCR八角形金属环垫Octagonalringgasket3.1.3.5OVR椭圆形金属环垫Ovalringgakset3.1.3.6IR/OR内外定位环Innerringａndouterring5.7CV5.8SV5.9RV5.10ST5.3CHV5.4BUV5.5BAV5.6PV5.2GLV5.1GV3.1.3.7IR内定位环Innerring3.1.3.8OR外定位环Outerring4 坚固件编号缩写中文名称英文名称4.1B螺栓Bolt4.1.1SB螺柱Studbolt4.2NU螺母Nut4.3TB花蓝螺母Turnbuckle4.4WSR垫圈Washer4.4.1SWSR弹簧垫圈Springwasher5 阀门编号缩写中文名称英文名称闸阀 Gatevalve截止阀 Globevalve止回阀 Checkvalve蝶阀 Butterflyvalve球阀 Ballvalve旋塞阀 Plugvalve（cock）调节阀 Controlvalve安全阀 Safetyvalve减压阀 Pressurereducingvalve蒸汽疏水阀Steamtrap5.11PRV泄压阀Pressurreliefvalve5.12BV呼吸阀Breathervalve5.13NV针形阀Needlevalve5.14AV角阀5.15DV隔膜阀5.16TWV三通阀5.17SGV插板阀6 管道上用的小型设备编号缩写中文名称英文名称6.1SPR气液分离器Separator6.2FA阻火器Flamearrester6.3SR过滤器StrainerSRYY型过滤器Y-typestrainerSRTT型过滤器T-typestrainerSRB桶式过滤器BuckettypestrainerTSR临时过滤器Temporarystrainer6.4SIL消声器Silencer6.5SG视镜Slightglass6.6SC取样冷却器Samplecooler6.7DF排液漏斗Drainfunnel6.8LM管道混合器Linemixer6.9RO限流孔板Restrictionorifice6.9.1MO混合孔板Mixingorifice6.1RD爆破片（爆破膜）Rupturedisk6.11EJ补偿器Expansionjoint7 隔热、伴热编号缩写中文名称英文名称7.1INS隔热Thermalinsulation7.1.1H保温Hotinsulation7.1.2C保冷Coldinsulation7.1.3P防烫伤隔热Personnelprotectioninsulation7.2T&I伴热Tracingａndinsulation7.3T管道伴热（冷）TracingEST蒸汽外伴热ExternalsteamtracingIST蒸汽内伴热InternalsteamtracingSJT蒸汽夹套伴热Steam-jackettracingET电伴热Electrictracing8 配管材料和等级编号缩写中文名称英文名称8.1M金属材料Metallicmaterial8.1.1CS碳钢Carbonsteel8.1.2CAS铸钢Caststeel8.1.3FS锻钢Forgedsteel8.1.4AS合金钢Alloysteel8.1.5SS不锈钢Stainlesssteel8.1.6AUSTSS奥氏体不锈钢 Austeniticstainless-steel8.1.7CI铸铁Castiron8.1.8MI可锻铸铁Malleableiron8.1.9DI球墨铸铁DuctileironAL铝AluminumBRS黄铜BrassBRZ青铜BronzeCU紫铜CopperLAS低合金钢LowalloysteelFLAS低合金锻钢ForgedlowalloysteelCLAS低合金铸钢Castlowalloysteel8.2THK壁厚Thickness8.2.1SCH表号Schedulenumber8.2.2STD标准Standard8.2.3XS加强Extrastrong8.2.4XXS特强Doubleextrastrong9 装置布置编号缩写中文名称英文名称9.1CN建北Constructionnorth9.2E东East9.3W西West9.4S南South9.5N北North9.6H水平Horizontal9.7V竖直、铅直、直立Vertical9.8GRD地坪Ground9.9UG地下Underground9.10BL装置边界线Batterylimitline9.11ESEW事故沐浴洗眼器Emergencyshowerａndeyewasher9.12HS软管站Hosestation9.13ML接续分界线Matchline9.14PS管道支架（管架）Pipingsupport9.15PR管桥Piperack9.16STRU构架（构筑物）Structure9.17BLDG建筑物Building9.18PD清扫设施Purgedevice9.19PT池Pit9.20SHLT棚Shelter9.21COFF围堰Cofferdam9.22FL楼板Floor9.23PF平台Plateform10 尺寸标注编号缩写中文名称英文名称10.1EL标高Elevation10.2BOP管底Bottomofpipe10.3COP管中心Centerofpipe10.4TOP管顶Topofpipe10.5FOB底平Flatonbottom10.6FOT顶平Flatontop10.7CL（屯）中心线Centerline10.8TL切线Tangentline10.9SYM对称的Symmetrical10.10BOS支架底Bottomofsupport10.11TOS支架顶Topofsupport10.12CL净距（净空）Clearance10.13CTC中心至中心Centertocenter10.14CTF中心至面Centertoface10.15CTE中心至端部Centertoend10.16ETE端到端Endtoend10.17FEF法兰端面Flangeａndface10.18FTF面到面Facetoface10.19D直径Diameter10.20DN公称直径Nominaldiameter10.21ID内径Insidediameter10.22OD外径Outsidediameter10.23DIM尺寸Dimension10.24MAX最大Maximum10.25MIN最小Minimum10.26AVG平均Average10.27APP约、近似Approximate10.28PT.EL点标高Pointelevation11 图表编号缩。