管道专业英语解释及法兰形式

1、管子及管件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 reducerCPL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 nipple SNIP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 pad2、法兰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 faceMFF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 face TF榫面Tongue faceGF槽面Groove face3、垫片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 gasket SMG半金属垫片Semimetallic gasketMJG金属包垫片Meta-jacket gasketSWG缠绕式垫片Spiral wound gasketMG金属垫片Metallic gasketFMG金属平垫片Flat metallic gasket SMSG齿形金属垫片Solid metal serrated gasket LER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 ring IR内定位环Inner ringOR外定位环Outer ring4、紧固件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 washer5、阀门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 valveBAV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6、管道上用的小型设备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StrainerSRY Y型过滤器Y-type strainerSRT T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 joint7、隔热、伴热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 insulation T&I伴热Tracing and insulationT管道伴热（冷）TracingEST蒸汽外伴热External steam tracingIST蒸汽内伴热Internal steam tracingSJT蒸汽夹套伴热Steam-jacket tracingET电伴热Electric tracing8、配管材料和等级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 strong9、装置布置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 washer HS软管站Hose stationML持续分界线Match linePS管道支架（管架）Piping support PR管桥Pipe rack STRU构架（构筑物）Structure BLDG建筑物BuildingPD清扫设施Purge device PT池PitSHLT棚Shelter COFF围堰CofferdamFL楼板FloorPF平台Plateform10、尺寸标注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P11、图表缩写中文名称英文名称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。

Plumbing 管道包括所有的供水污水排水Trench 地槽Foul water [faʊl] 废水，粪水，总称Drain 排水管总称Waste pipe 污水管Soil pipe 粪水管Main Discharge stack 主排水管道(竖管) Branch discharge stack支排水管道(横管) Rainwater pipe 雨水管Dilator 扩张器coupling sleeve 连接套筒slippage 滑移collar 箍环manifold 英['mænɪfəʊld] 歧管Bypasses 旁通Interception 拦截lever handle 杆式手柄handwheel 手轮inside screw 内螺纹male connection 外螺纹连接butterfly valve 蝴蝶阀lever 英['liːvə] 杠杆，控制杆，手柄retainer valve 压力保持阀bronze clapper 青铜瓣（止回阀用）water hammer 水锤check valves disc 止回阀阀瓣threaded bolt螺纹栓calibration valve 校准阀stop cock 龙头control gauge 仪表控制half shell pressure vessel 瓦片式压力容器mantle 英['mænt(ə)l] 覆盖物; 幕; 罩hydrostatic pressure 静水压力泵类suction manifold吸入支管；进气岐管；discharge manifoldjockey pump 管道补压泵hydraulic component 液压组件in series 串联in parallel ['pærəlel] 并联star-delta switch 星型三角开关clamping bracket 夹紧托架Gully trap 连接stack和pipe Eave Gutter ['gʌtə] 天沟Faucet ['fɔːsɪt] 水龙头Tap 水龙头Spray faucet喷水龙头Soak away ['səʊkəweɪ] 渗水坑cesspool ['sespu:l] 污水池septic tank ['septɪk] 化粪池Bracket 将管道固定在墙体的夹具Plumbing reservation 管道预埋Vent 排气管Main Stack 竖管Branch stack横管Clean-out 检修口Access point 检修口Trap 存水弯Flushing pipe 冲水管道DOMESTIC WATER SUPPLY 生活用水Tee 三通Pipe fitting 管件Junction 接头Pipe Shaft 管道井patio['pætɪəʊ] 露台；天井Polypropylene pipes (PPR) 聚丙烯管Fuel 燃料Black steel pipes 黑钢管Seamless 无缝Insulation and Lagging 隔热和保温Gate Valve 闸阀Float Valve 浮阀Check Valve 止回阀Water Stop Flange[flændʒ] 止水法兰Automatic Air Vent 自动跑风门Strainer 过滤器Panel board 配电盘Pad衬垫Cylindrical Water Tank 圆柱形水箱Overflow 溢流管isolating valve 隔离阀drain valve 排水阀Fuel Tank 燃料箱filling line pipe 灌装线管道Electric Water Heater 电热水器Thermostat['θə:məustæt]恒温器pressure relief valve 泄压阀Shaft 井Drainage['dreinidʒ] 排水The removal of excess surface water or groundwater from land by means of surface or subsurface drainsTrench drain 排水沟Manhole 检修孔，观察井（大的）Inspection chamber观察井(小的)ductile iron 球墨宙铁Sump pit 污水坑Sump pump污水泵submersible[səb'mə:səbl] pump 潜水泵sewage ['sju:idʒ] 污水SANITARY['sænitəri] FIXTURES 洁具Sanitary appliance 卫生器具Angle valve 角阀Waste outlet trap 废物排出阱Water closet['klɔzit]坐便器Bidet ['bi:dei]洗浴坐便器Lavatory ['lævətəri, -,tɔ:ri] 洗手池Bathtub['bɑ:θtʌb]浴缸siphon ['saifən] trap 虹吸阱；虹吸封气；[建] 虹吸式存水弯Bathtub handleBasin ['beisən] 洗手盆vanity basin 洗脸盆handrinse basin 洗手盆towel rail n. 手巾架urinal ['juərinəl] 小便器extraction valve 抽气阀extractor 抽气机卫浴产品vitreous china 玻璃瓷enamel [ɪ'næm(ə)l] coating 搪瓷涂层enamel 瓷釉feldspar 长石limestone 石灰石空调安装Refrigerant[rɪ'frɪdʒ(ə)r(ə)nt] 制冷剂inverter system 变频器heat dissipation 散热cooling capacity 制冷量Multi-unit多联机组。

1.1 管子Pipe管子(按照配管标准规格制造的) pipe管子(不按配管标准规格制造的其他用管) tube钢管steel pipe铸铁管cast iron pipe衬里管lined pipe复合管clad pipe碳钢管carbon steel pipe合金钢管alloy steel pipe不锈钢stainless steel pipe奥氏体不锈钢管austenitic stainless steel pipe铁合金钢管ferritic alloy steel pipe轧制钢管wrought-steel pipe锻铁管wrought-iron pipe无缝钢管seamless (SMLS) steel pipe焊接钢管welded steel pipe电阻焊钢管electric-resistance welded steel pipe电熔（弧）焊钢板卷管electric-fusion (arc)-welded steel-plate pipe螺旋焊接钢管spiral welded steel pipe镀锌钢管galvanized steel pipe热轧无缝钢管hot-rolling seamless pipe冷拔无缝钢管cold-drawing seamless pipe水煤气钢管water-gas steel pipe塑料管plastic pipe玻璃管glass tube橡胶管rubber tube直管run pipe; straight pipe1.2 管件Fitting弯头elbow异径弯头reducing elbow带支座弯头base elbowk半径弯头long radius elbow短半径弯头short radius elbow长半径180°弯头long radius return短半径180°弯头short radius return带侧向口的弯头（右向或左向）side outlet elbow (right hand or left hand) 双支管弯头（形）double branch elbow三通tee异径三通reducing tee等径三通straight tee带侧向口的三通（右向或左向）side outlet tee (right hand or 1eft hand)异径三通（分支口为异径）reducing tee (reducing on outlet)异径三通（一个直通口为异径）reducing tee (reducing on one run)带支座三通base tee异径三通（一个直通口及分支口为异径）reducing tee (reducing on one run and outlet)异径三通（两个直通口为异径，双头式）reducing tee (reducing on both runs, bull head)45°斜三通45° lateral45°斜三通（支管为异径）45° lateral (reducing on branch)45°斜三通(一个直通口为异径) 45° lateral (reducing on one run)45°斜三通(一个直通口及支管为异径) 45° lateral (reducing on one run and branch)Y型三通（俗称裤衩）true “Y”四通cross等径四通straight cross异径四通reducing cross异径四通（一个分支口为异径）reducing cross (reducing on one outlet)异径四通（一个直通口及分支口为异径）reducing cross (reducing on one run and outlet)异径四通（两个分支口为异径）reducing cross (reducing on both outlet)异径四通（一个直通口及两个分支口为异径）reducing cross (reducing on one run and both outlet) 异径管reducer同心异径管concentric reducer偏心异径管eccentric reducer锻制异径管reducing swage螺纹支管台threadolet焊接支管台weldolet承插支管台sockolet弯头支管台elbolet斜接支管台latrolet镶入式支管嘴sweepolet短管支管台nipolet支管台，插入式支管台boss管接头coupling, full coupling半管接头half coupling异径管接头reducing coupling活接头union内外螺纹缩接（俗称补芯）bushing管帽cap (C)堵头plug短节nipple异径短节reducing nipple; swage nipple1.3 弯管Bend预制弯管fabricated pipe bend跨越弯管（^ 形）cross-over bend偏置弯管（~ 形）offset bend90°弯管quarter bend环形弯管cirele bend单侧偏置90°弯管（? 形）single offset quarter bendS形弯管“S” bend单侧偏置U形膨胀弯管（| ?形）single offset “U” bendU形弯管“U” bend双偏置U膨胀弯管double offset expansion “U” bend斜接弯管mitre bend三节斜接弯管3-piece mitre bend折皱弯管corrugated bend圆度roundness1.4 法兰Flange (FLG）整体管法兰integral pipe flange钢管法兰steel pipe flange螺纹法兰threaded flange滑套法兰（包括平焊法兰）slip-on flange (SO); slip-on welding flange 承插焊法兰socket welding flange松套法兰lap joint flange (LJF)对焊法兰welding neckflange (WNF)法兰盖blind flange, blind孔板法兰orifice flange异径法兰reducing flange盘座式法兰pad type flange松套带颈法兰loose hubbed flange焊接板式法兰welding plate flange对焊环welding neck collar （与stub end相似）平焊环welding-on collar突缘短节stub end, lap翻边端lapped pipe end松套板式法兰loose plate flange压力级pressure rating, pressure rating class压力—温度等级pressure-temperature rating法兰密封面，法兰面flange facing突面raised face (RF)凸面male face (MF)凹面female face (FMF)榫面tongue face槽面groove face环连接面ring joint face全平面；满平面flat face; full face (FF)光滑突面smooth raised face (SRF)法兰面加工facing finish粗糙度roughness光滑的smooth齿形serrated均方根root mean square (RMS)算术平均粗糙高度arithmetical average roughness height (AARH)配对法兰companion-flange螺栓圆bolt circle (B.C.)1.5 垫片Gasket (GSKT)垫片的型式type of gasket平垫片flat gasket环形平垫片flat ring gasket平金属垫片flat metal gasket夹棉织物的橡胶elastomer with cotton fabric insertion夹石棉织物的橡胶elastomer with asbestos fabric insertion夹石棉织物及金属丝加强的橡胶elastomer with asbestos fabric insertion and with wire reinforcement 无石墨压缩白石棉垫片non graphited compressed white asbestos gasket天然白橡胶垫片natural white rubber gasket压缩石棉垫片compressed asbestos class gasket浸聚四氟乙烯的石棉垫片PTFE impregnated asbestos gasket夹石棉的缠绕金属垫片spiral-wound metal gasket with asbestos filler内环inner ring外环，外定位环outer ring波纹金属垫片corrugated metal gasket波纹金属包嵌石棉垫片corrugated metal gasket with asbestos inserted双夹套波纹金属包石棉垫片corrugated metal double jacketed asbestos filled gasket双夹套垫片double jacketed gasket金属包石棉平垫片flat metal jacketed asbestos filled gasket整体金属齿形垫片solid metal serrated gasket槽形金属垫片grooved metal gasket环形连接金属垫片ring joint metal gasket八角环形垫片octagonal ring gasket椭圆环形垫片oval ring gasket透镜式垫片lens gasket非金属垫片non-metallic gasket1.6 阀门Valve1.6.1 阀门结构、零件阀轭yoke外螺纹阀杆及阀轭outside screw and yoke (OS & Y)阀杆stem内螺纹inside screw (IS)阀轭套yoke sleeve阀杆环stem ring阀座valve seat (body seat)阀座环、密封圈seat ring整体（阀）座integral seat堆焊（阀）座deposited seat阀芯（包括密封圈、杆等内件）trim阀盘disc阀盘密封圈disc seat阀体body阀盖bonnet阀盖衬套bonnet bush螺纹阀帽screw cap螺纹阀盖screw bonnet螺栓连接的阀盖bolted bonnet (BB)活接阀盖（帽）union bonnet (cap)螺栓连接的阀帽bolted cap (BC)焊接阀盖welded bonnet (WB)本体阀杆密封body stem seal石棉安全密封asbestos emenen seal倒密封back seal压力密封的阀盖pressure-tight bonnet动力操纵器powered operator电动操纵器electric motor operator气动操纵器pneumatic operator液压操纵器hydraulic operator快速操纵器quick-acting operator滑动阀杆sliding stem正齿轮传动spur gear operated伞齿轮传动bevel gear operated扳手操作wrench operated链轮chain wheel手轮hand wheel手柄hand lever (handle)气缸（或液压缸）操纵的cylinder operated链条操纵的chain operated等径孔道full bore; full port异径孔道reducing bore, reduced port,venturi port 短型short pattern紧凑型（小型）compact type笼式环lantern ring压盖gland阀杆填料stem packing阀盖垫片bonnet gasket升杆式（明杆）rising stem (RS)非升杆式（暗杆）non-rising stem (NRS)指示器/限位器indicator/stopper注油器grease injector可更换的阀座环renewable seat ring1.6.2 常用阀(1）闸阀gate valve平行双闸板double disc parallel seat开口楔形闸板split wedge挠性整体楔形闸扳flexible solid wedge整体楔形闸板solid wedge塞型闸阀plug gate valve直通型闸阀through conduit gate valve(2) 截止阀globe valve球心型阀盘globe type disc塞型阀盘plug type disc可转动的阀盘swivel disc(3) 节流闪阀throttle valve针阀needle valve(4) 角阀angle valve(5) Y型阀（Y 型阀体截止阀）Y-valve (Y-body globe valve)(6) 球阀ball valve三通球阀3-way ball valve装有底轴的trunnion mounted耐火型fire safe type浮动球型floating ball type防脱出阀杆blowout proof stem(7) 蝶阀butterfly valve对夹式（薄片型）wafer type凸耳式lug type偏心阀板蝶阀offset disc burerfly valve; eccentric butterfly valve 斜阀盘蝶阀canted disc butterfly valve连杆式蝶阀link butterfly valve8) 柱塞阀piston type valve(9) 旋塞阀plug valve三通旋塞阀three-way plug valve四通旋塞阀four-way plug valve旋塞cock衬套旋塞sleeve cock(10) 隔膜阀diaphragm valve橡胶衬里隔膜阀rubber lined diaphragm valve直通式隔膜阀straight way diaphragm valve堰式隔膜阀weir diaphragm valve(11) 夹紧式胶管阀pinch valve（用于泥浆、粉尘等）(12) 止回阀check valve升降式止回阀lift check valve旋启式止回阀swing check valve, flap check valve落球式止回阀ball check valve弹簧球式止回阀spring ball check valve双板对夹式止回阀dual plate wafer type check valve无撞击声止回阀non-slam cheek valve底阀foot valve切断式止回阀stop check valve; non-return valve活塞式止回阀piston check valve斜翻盘止回阀tilting disc check valve蝶式止回阀butterfly check valve1.6.3 其它用途的阀安全泄气阀safety valve (SV)安全泄液阀relief valve (RV)安全泄压阀safety relief valve杠杆重锤式lever and weight type引导阀操纵的安全泄气阀pilot operated safety valve复式安全泄气阀twin type safety valve罐底排污阀flush-bottom tank valve电磁阀solenoid valve, solenoid operated valve电动阀electrically operated valve, electric-motor operated valve气动阀pneumatic operated valve低温用阀cryogenic service valve蒸汽疏水阀steam trap机械式疏水阎mechanical trap浮桶式疏水阀open bucket trap, open top bucket trap浮球式疏水阀float trap倒吊桶式疏水阀inverted bucket trap自由浮球式疏水阀loose float trap恒温式疏水阀thermostatic trap金属膨胀式蒸汽疏水阀metal expansion steam trap液体膨胀式蒸汽疏水阀liquid expansion steam trap双金属膨胀式蒸汽疏水阀bimetallic expansion steam trap压力平衡式恒温疏水阀balanced pressure thermostatic trap热动力式疏水阀thermodynamic trap脉冲式蒸汽疏水阀impulse steam trap放气阀（自动放气阀）air vent valve (automatic air vent valve) （疏水阀用）平板式滑动闸阀slab type sliding gate valve盖阀flat valve换向阀diverting valve, reversing valve热膨胀阀thermo expansion valve自动关闭阀self-closing gate valve自动排液阀self-draining valve管道盲板阀line-blind valve挤压阀squeeze valve（用于泥浆及粉尘等）呼吸阀breather valve风门、挡板damper减压阀pressure reducing valve, reducing valve控制阀control valve膜式控制阀diaphragm operated control valve执行机构actuator背压调节阀back pressure regulating valve差压调节阀differential pressure regulating valve压力比例调节阀pressure ratio regulating valve1.6.4 未指明结构（或阀型）的阀切断阀block valve; shut-off valve; stop valve调节阀regulating valve快开阀quick opening valve快闭阀quick closing valve隔断阀isolating valve三通阀three way valve夹套阔jacketed valve非旋转式阀non-rotary valve排污阀blowdown valve集液排放阀drip valve排液阀drain valve放空阀vent valve卸载阀unloading valve排出阀discharge valve吸入阀suction valve多通路阀multiport valve取样阀sampling valve手动阀hand-operated valve; manually operated valve 锻造阀forged valve铸造阀cast valve（水）龙头bibb; bib; faucet抽出液阀（小阀）bleed valve旁路阀by-pass valve软管阀hose valve混合阀mixing valve破真空阀vacuum breaker冲洗阀flush valve第一道阀；根部阀primary valve根部阀root valve总管阀header valve事故切断阀emergency valve1.7 管道特殊件Piping Specialty1.7.1 管道特殊件（组件）粗滤器strainer过滤器filter临时粗滤器（锥型）temporary strainer (cone type)y 型粗滤器y-type strainerT型粗滤器T-type strainer永久过滤器permanent filter丝网粗滤器gauze strainer洗眼器及淋浴器eye washer and shower视镜sight glass阻火器flame arrester喷嘴；喷头spray nozzle取样冷却器sample cooler消声器silencer膨胀节expansion joint波纹膨胀节bellow expansion joint单波single bellow双波double bellow多波multiple bellow压力平衡式膨胀节pressure balanced expansion带铰链膨胀节hinged expansion joint轴向位移型膨胀节axial movement type expansion joint 自均衡膨胀节（外加强环）self-equalizing expansion joint 带接杆膨胀节tied expansion joint万向型膨胀节universal type expansion joint球形补偿器ball type expansion joint填函式补偿器slip type (packed type) expansion joint单向滑动填料函补偿器single actionpacked slip joint1.7.2 管道特殊元件Piping Special Element软管接头hose connection (HC)快速接头quick coupling金属软管metal hose橡胶管rubber hose挠性管flexible tube鞍形补强板reinforcing saddles补强板reinforcement pad特殊法兰special flange漏斗funnel排液环drip ring排液漏斗drain funnel插板blank垫环spacer8字盲板spectacle blind; figure 8 blind限流孔板restriction orifice爆破片rupture disk法兰盖贴面protective disc费托立克接头victaulic coupling1.8 端部连接End Connection法兰端flanged end坡口端beveled end (BE)对焊端butt welded end平端plain end (PE)承插焊端socket welding end螺纹端threaded end (TE)承口bell end焊接端welding end法兰连接（接头）flanged joint对焊连接（接头）butt welded joint螺纹连接，管螺纹连接threaded joint, pipe threaded joint 锥管螺纹密封焊连接seal-welded taper pipe threaded joint 承插焊连接（接头）socket welded joint承插连接（接头）bell and spigot joint环垫接头ring joint (RJ)万向接头universal joint软钎焊连接（接头）soldered joint搭接接头，松套连接lapped joint外侧厚度切斜角bevel for outside thickncss内侧厚度切斜角bevel for inside thickness内外侧厚度切斜角bevel for combined thickness法兰式的flanged (FLGD)对焊的butt welded (BW)螺纹的threaded (THD)承插焊的socket welded (SW)小端为平的small end plain (SEP)大端为平的large end plain (LEP)两端平both ends plain (BEP)小端带螺纹small end thread (SET)大端带螺纹large end thread (LET)两端带螺纹both end thread (BET)一端带螺纹one end thread (OET)支管连接branch connection焊接支管branch pipe welded directly to the run pipe。

1 管道组成件Piping component1.1 管子Pipe管子(按照配管标准规格制造的) pipe管子(不按配管标准规格制造的其他用管) tube钢管steel pipe铸铁管cast iron pipe衬里管lined pipe复合管clad pipe碳钢管carbon steel pipe合金钢管alloy steel pipe不锈钢stainless steel pipe奥氏体不锈钢管austenitic stainless steel pipe铁合金钢管ferritic alloy steel pipe轧制钢管wrought-steel pipe锻铁管wrought-iron pipe无缝钢管seamless (SMLS) steel pipe焊接钢管welded steel pipe电阻焊钢管electric-resistance welded steel pipe电熔（弧）焊钢板卷管electric-fusion (arc)-welded steel-plate pipe螺旋焊接钢管spiral welded steel pipe镀锌钢管galvanized steel pipe热轧无缝钢管hot-rolling seamless pipe冷拔无缝钢管cold-drawing seamless pipe水煤气钢管water-gas steel pipe塑料管plastic pipe玻璃管glass tube橡胶管rubber tube直管run pipe; straight pipe1.2 管件Fitting弯头elbow异径弯头reducing elbow带支座弯头base elbowk半径弯头long radius elbow短半径弯头short radius elbow长半径180°弯头long radius return短半径180°弯头short radius return带侧向口的弯头（右向或左向）side outlet elbow (right hand or left hand) 双支管弯头（形）double branch elbow三通tee异径三通reducing tee等径三通straight tee带侧向口的三通（右向或左向）side outlet tee (right hand or 1eft hand) 异径三通（分支口为异径）reducing tee (reducing on outlet)异径三通（一个直通口为异径）reducing tee (reducing on one run)带支座三通base tee异径三通（一个直通口及分支口为异径）reducing tee (reducing on one run and outlet)异径三通（两个直通口为异径，双头式）reducing tee (reducing on both runs, bull head) 45°斜三通45° lateral45°斜三通（支管为异径）45° lateral (reducing on branch)45°斜三通(一个直通口为异径) 45° lateral (reducing on one run)45°斜三通(一个直通口及支管为异径) 45° lateral (reducing on one run and branch)Y型三通（俗称裤衩）true “Y”四通cross等径四通straight cross异径四通reducing cross异径四通（一个分支口为异径）reducing cross (reducing on one outlet)异径四通（一个直通口及分支口为异径）reducing cross (reducing on one run and outlet)异径四通（两个分支口为异径）reducing cross (reducing on both outlet)异径四通（一个直通口及两个分支口为异径）reducing cross (reducing on one run and both outlet)异径管reducer同心异径管concentric reducer偏心异径管eccentric reducer锻制异径管reducing swage螺纹支管台threadolet焊接支管台weldolet承插支管台sockolet弯头支管台elbolet斜接支管台latrolet镶入式支管嘴sweepolet短管支管台nipolet支管台，插入式支管台boss管接头coupling, full coupling半管接头half coupling异径管接头reducing coupling活接头union内外螺纹缩接（俗称补芯）bushing管帽cap (C)堵头plug短节nipple异径短节reducing nipple; swage nipple1.3 弯管Bend预制弯管fabricated pipe bend跨越弯管（^ 形）cross-over bend偏置弯管（~ 形）offset bend90°弯管quarter bend环形弯管cirele bend单侧偏置90°弯管（? 形）single offset quarter bendS形弯管“S” bend单侧偏置U形膨胀弯管（| ?形）single offset “U” bendU形弯管“U” bend双偏置U膨胀弯管double offset expansion “U” bend斜接弯管mitre bend三节斜接弯管3-piece mitre bend折皱弯管corrugated bend圆度roundness1 管道组成件Piping component1.1 管子Pipe管子(按照配管标准规格制造的) pipe管子(不按配管标准规格制造的其他用管) tube钢管steel pipe铸铁管cast iron pipe衬里管lined pipe复合管clad pipe碳钢管carbon steel pipe合金钢管alloy steel pipe不锈钢stainless steel pipe奥氏体不锈钢管austenitic stainless steel pipe铁合金钢管ferritic alloy steel pipe轧制钢管wrought-steel pipe锻铁管wrought-iron pipe无缝钢管seamless (SMLS) steel pipe焊接钢管welded steel pipe电阻焊钢管electric-resistance welded steel pipe电熔（弧）焊钢板卷管electric-fusion (arc)-welded steel-plate pipe螺旋焊接钢管spiral welded steel pipe镀锌钢管galvanized steel pipe热轧无缝钢管hot-rolling seamless pipe冷拔无缝钢管cold-drawing seamless pipe水煤气钢管water-gas steel pipe塑料管plastic pipe玻璃管glass tube橡胶管rubber tube直管run pipe; straight pipe1.2 管件Fitting弯头elbow异径弯头reducing elbow带支座弯头base elbowk半径弯头long radius elbow短半径弯头short radius elbow长半径180°弯头long radius return短半径180°弯头short radius return带侧向口的弯头（右向或左向）side outlet elbow (right hand or left hand) 双支管弯头（形）double branch elbow三通tee异径三通reducing tee等径三通straight tee带侧向口的三通（右向或左向）side outlet tee (right hand or 1eft hand) 异径三通（分支口为异径）reducing tee (reducing on outlet)异径三通（一个直通口为异径）reducing tee (reducing on one run)带支座三通base tee异径三通（一个直通口及分支口为异径）reducing tee (reducing on one run and outlet)异径三通（两个直通口为异径，双头式）reducing tee (reducing on both runs, bull head)45°斜三通45° lateral45°斜三通（支管为异径）45° lateral (reducing on branch)45°斜三通(一个直通口为异径) 45° lateral (reducing on one run)45°斜三通(一个直通口及支管为异径) 45°lateral (reducing on one run and branch)Y型三通（俗称裤衩）true “Y”四通cross等径四通straight cross异径四通reducing cross异径四通（一个分支口为异径）reducing cross (reducing on one outlet)异径四通（一个直通口及分支口为异径）reducing cross (reducing on one run and outlet)异径四通（两个分支口为异径）reducing cross (reducing on both outlet)异径四通（一个直通口及两个分支口为异径）reducing cross (reducing on one run and both outlet)异径管reducer同心异径管concentric reducer偏心异径管eccentric reducer锻制异径管reducing swage螺纹支管台threadolet焊接支管台weldolet承插支管台sockolet弯头支管台elbolet斜接支管台latrolet镶入式支管嘴sweepolet短管支管台nipolet支管台，插入式支管台boss管接头coupling, full coupling半管接头half coupling异径管接头reducing coupling活接头union内外螺纹缩接（俗称补芯）bushing管帽cap (C)堵头plug短节nipple异径短节reducing nipple; swage nipple1.3 弯管Bend预制弯管fabricated pipe bend跨越弯管（^ 形）cross-over bend偏置弯管（~ 形）offset bend90°弯管quarter bend环形弯管cirele bend单侧偏置90°弯管（? 形）single offset quarter bend S形弯管“S” bend单侧偏置U形膨胀弯管（| ?形）single offset “U” bendU形弯管“U” bend双偏置U膨胀弯管double offset expansion “U” bend斜接弯管mitre bend三节斜接弯管3-piece mitre bend折皱弯管corrugated bend圆度roundness法兰Flange (FLG）整体管法兰integral pipe flange钢管法兰steel pipe flange螺纹法兰threaded flange滑套法兰（包括平焊法兰）slip-on flange (SO); slip-on welding flange 承插焊法兰socket welding flange松套法兰lap joint flange (LJF)对焊法兰welding neckflange (WNF)法兰盖blind flange, blind孔板法兰orifice flange异径法兰reducing flange盘座式法兰pad type flange松套带颈法兰loose hubbed flange焊接板式法兰welding plate flange对焊环welding neck collar （与stub end相似）平焊环welding-on collar突缘短节stub end, lap翻边端lapped pipe end松套板式法兰loose plate flange压力级pressure rating, pressure rating class压力—温度等级pressure-temperature rating法兰密封面，法兰面flange facing突面raised face (RF)凸面male face (MF)凹面female face (FMF)榫面tongue face槽面groove face环连接面ring joint face全平面；满平面flat face; full face (FF)光滑突面smooth raised face (SRF)法兰面加工facing finish粗糙度roughness光滑的smooth齿形serrated均方根root mean square (RMS)算术平均粗糙高度arithmetical average roughness height (AARH)配对法兰companion-flange螺栓圆bolt circle (B.C.)合金钢管是无缝钢管的一种,其性能要比一般的无缝钢管高很多,因为这种钢管里面含Cr比较多,其耐高温,耐低温,耐腐蚀的性能是其他无缝钢管比不上的,所以合金钢管在石油,化工,电力,锅炉等行业的用途比较广泛.合金钢管具有中空截面,大量用作输送流体的管道,如输送石油,天然气,煤气,水及某些固体物料的管道等.合金钢管与圆钢等实心钢材相比,在抗弯抗扭强度相同时,重量较轻,是一种经济截面钢材,广泛用于制造结构件和机械零件,如石油钻杆,汽车传动轴,自行车架以及建筑施工中用的钢脚手架等.用合金钢管制造环形零件,可提高材料利用率,简化制造工序,节约材料和加工工时,如滚动轴承套圈,千斤顶套等,目前已广泛用合金钢管来制造.合金钢管还是各种常规武器不可缺少的材料,枪管,炮筒等都要合金钢管来制造.合金钢管按横截面积形状的不同可分为圆管和异型管.由于在周长相等的条件下,圆面积最大,用圆形管可以输送更多的流体.此外,圆环截面在承受内部或外部径向压力时,受力较均匀,因此,绝大多数合金钢管是圆管.[文档可能无法思考全面，请浏览后下载，另外祝您生活愉快，工作顺利，万事如意!]。