化工行業(yè)英語

1、普通化學 General Chemistry分析化學 Analytical Chemistry有機化學 Organic Chemistry物理化學 Physical Chemistry 譜學導論 Introducton of Spectroscopy 無機化學 Inorganic Chemistry 普通化學和分析化學實驗 Experiments of General and Analytical Chemistry 現(xiàn)在基礎化學 The Principle of Mordern Chemistry現(xiàn)在基礎化學實驗 Experiments of Modern Fundamental Chemi

2、stry 有機化學實驗 Experiments of Organic Chemistry 儀器分析和物理化學實驗 Experiments of Instrumental Analysis and PhysicalChemistry 合成化學實驗 Experiments of Synthetic Chemistry現(xiàn)代化學專題 Topic of Modern Chemistry 化學綜合實驗 Experiments of Comprehensive Chemistry化工原理 Principle of Chemical Engineering 化工原理實驗 Experiments of Chem

3、ical Engineering 應用化學實驗 Experiments of Applied Chemistry 無機合成化學 Synthetic Inorganic Chemistry近代分析化學 Modern Analytical Chemistry 分離分析化學 Separation Analytical Chemistry有機化合物波譜鑒定 Spectrum Identification of Organic Compounds 有機合成及反應機理 Organic Synthesis and Mechanics 化學進展 Progress in Chemistry 化學反應工程 Che

4、mical Reaction Engineering 應用電化學 Applied Electrochemistry 工業(yè)催化 Industrial Catalysis 環(huán)境化學 Environmental Chemistry 環(huán)境監(jiān)測 Environmental Monitoring化學科技英語 Scientific English for Chemistry 數(shù)理方法在化學中的應用 Mathematical Statistics for Chemistry 化工制圖 Chemical Engineering Cartography 計算機與化學測量實驗 Computer and Chemic

5、al Measurement 化學信息學 Chemoinformatics or Chemical Informatics 應用化學專題 Special Topics in Applied Chemistry化工裝置常用詞匯1一概論 introduction方案(建議書) proposal可行性研究 feasibility study方案設計 concept design工藝設計 process design基礎設計 basic design詳細設計 detail design開工會議 kick-off meeting審核會議 review meeting外商投資 foreign invest

6、ment中外合資 joint venture中外合營 joint venture補償貿(mào)易 compensation trade合同 合同附件 contract賣方 vendor買方 buyer顧客 client承包商 contractor工程公司 company供應范圍 scope of supply生產(chǎn)范圍 production scope生產(chǎn)能力 production capacity項目 project界區(qū) battery limit裝置 plant公用工程 utilities工藝流程圖 process flow diagram工藝流程方塊圖 process block diagram管

7、道及儀表流程圖 piping and instrument drawing物料及熱量平衡圖 mass & heat balance diagram蒸汽及冷凝水平衡圖 steam & condensate balance diagram設備布置圖 equipment layout設備表 equipment list成品(產(chǎn)品) product(final product)副產(chǎn)品 by-product原料 raw-material設計基礎數(shù)據(jù) basic data for design技術數(shù)據(jù) technical data數(shù)據(jù)表 data sheet設計文件 design docu

8、ment設計規(guī)定 design regulation現(xiàn)場服務 site service項目變更 project change用戶變更 client change消耗定額 consumption quota技術轉(zhuǎn)讓 technical transfer技術知識 technical know-how牋牋牋牋technical knowledge技術保證 technical guarantee咨詢服務 consultative services技術服務 technical services工作地點 location施工現(xiàn)場 construction field報價 quotation標書 biddi

9、ng book公司利潤 company profit固定價合同 fixed price contract固定單價合同 fixed unit price contract成本加酬金合同 cost plus award fee contract定金 mobilization銀行保證書 bank guarantee letter保留金 retention所得稅 income taxes特別承包人稅 special contractor's taxes城市和市政稅 city and municipal taxes工作手冊 work manual工作流程圖 work flow diagram質(zhì)量

10、保證程序 QA/QC procedures采購計劃 procurement plan施工計劃 construction plan施工進度 construction schedule項目實施計劃 project execution plan項目協(xié)調(diào)程序 project coordination procedure項目總進度計劃 project master schedule設計網(wǎng)絡計劃 engineering network logic項目質(zhì)量保證 project quality assurance項目質(zhì)量控制 project quality control采購 procurement 采購周期

11、 procurement period會簽 the squad check計算書 calculation sheets詢價 inquiry檢驗 inspection運輸 transportation開車 start up / commission驗收 inspection & acceptance校核 check審核 review審定 approve版次 version部門 department專業(yè) specialty項目號 project number圖號 drawing number目錄 contents序言 foreword章 chapter節(jié) section項 itemMR m

12、aterial requisitionSPEC engineering specificationDATA SHEET（技術表） technical data sheetTBA(技術評標） technical bid analysisPDP preliminary design packagePM (項目經(jīng)理) project managerLDE(專業(yè)負責人 lead discipline engineerMRQ(材料詢價單) Material requisition for quotationMRP(材料采購單) material requisition for purchaseBEP(基

13、礎工程設計包) basic engineering packageP&ID(管道及儀表流程圖) piping and instrument drawing(diagram)PFD process flow diagramNNF normally no flowFO failure openFC failure closeC/S/A civil/structure/architectureDDP（詳細設計階段） detail design phase 化工裝置詞匯二. 工藝流程連續(xù)過程continuous process間歇過程batch process工藝敘述process descr

14、iption工藝特點process feature操作operation反應reaction副反應side reaction絮凝flocculation浮洗flotation傾析decantation催化反應catalytical reaction萃取extraction中和neutralization水解hydrolysis過濾filtration干燥drying還原reduction氧化oxidation氫化hydrogenation分解decomposition離解dissociation合成synthetics吸收absorption吸附adsorption解吸desorption結晶

15、crystallization溶解solution調(diào)節(jié)modulate控制control懸浮suspension循環(huán)circulation再生regeneration再活化reactivation瀝取leaching破碎crushing煅燒caloination沉降sedimentation沉淀precipitation氣化gasification冷凍refrigeration固化、結晶solidification包裝package升華sublimation燃燒combustion引燒ignition蒸餾distillation碳化carbonization壓縮compression 化工裝置

16、詞匯三、化學物質(zhì)及特性固體solid液體liquid氣體gas化合物compound混合物mixture粉powder片狀粉未flake小粒granule結晶crystal乳化物emulsion氧化物oxidizing agent還原劑reducing agent有機物organic material真空vacuum母液master liquor富液rich liquor貧液lean liquor萃出物extract萃余物raffinate絮凝劑flocculants冷凍鹽水brine酸度acidity濃度concentration堿度alkalinity溶解度solubility凝固點sol

17、idificalion point沸點boiling point熔點melting point蒸發(fā)率evaporation rate粘度viscosity吸水的water absorbent(a)無水的anhydrous(a)外觀appearance無色的colorless(a)透明的transparent(a)半透明的translucent密度density比重specific gravity催化劑catalyst燃燒combustion引燃ignition自然點self-ignition temperature可燃氣體combustible gas可燃液體inflammable liqui

18、d易燃液體volatile liquid爆炸混合物explosive mixture爆炸性環(huán)境explosive atmosphere(environment)爆炸極限explosive concentration limit廢水waste water廢液waste liquid廢氣off-gas噪聲noise pollution成分composition撓度deflection力和力矩force and moment彎矩bending moment應力-應變曲線stress-strain diagram百分比percentage環(huán)境溫度ambient temperature工作溫度opera

19、ting設計溫度design temperature(pressure)相對濕度RH=relative humidity油渣、淤泥sludge雜質(zhì)impurity 化工裝置詞匯四、化工設備泵pump軸流泵axial flow pump真空泵vacuum pump屏蔽泵canned pump柱塞泵plunger pump渦輪泵turbine pump渦流泵vortex pump離心泵centrifugal pump噴射泵jet pump轉(zhuǎn)子泵rotary pump管道泵inline pump雙作用往復泵double action reciprocating pump計量泵metering pum

20、p深井泵deep well pump齒輪泵gear pump手搖泵hand(wobble) pump螺桿泵screw (spiral) pump潛水泵submersible pump斜轉(zhuǎn)子泵inclined rotor pump封閉式電磁泵hermetically sealed magnetic drive pump氣升泵air-lift-pump軸承bearing葉輪impeller虹吸管siphon高壓容器high pressure vessel焚化爐incinerator火焰清除器flame arrester工業(yè)爐furnace燒嘴burner鍋爐boiler回轉(zhuǎn)窯rotary kiln

21、加熱器heater電加熱器electric heater冷卻器cooler冷凝器condenser換熱器heat exchanger反應器reactor蒸餾釜still攪拌器agitator混合器mixer靜態(tài)混合器static mixers管道混合器line mixers混合槽mixing tanks破碎機crusher磨碎機grinder研磨機pulverizer球磨機ballmill過濾器filter分離器separator干燥器drier翅片fins煙囪stack火炬flare篩子screen煅燒窯calciner傾析器decanter蒸發(fā)器evaporator再沸器reboiler萃

22、取器extractor離心機centrifuger吸附（收）器adsorber結晶器crystallizer電解槽electrolyzer電除塵器electric precipitator洗滌器scrubber消石灰器slaker料倉bin料斗hopper加料器feeder增稠器thickener澄清器clarifier分級器classifier浮洗器flocculator廢液池sump噴射器ejector噴頭sprayer成套設備package unit儀器設備apparatus附屬設備accessory旋轉(zhuǎn)式壓縮機rotary compressor往復式壓縮機reciprocating c

23、ompressor水環(huán)式壓縮機nash compressor螺桿式壓縮機helical screw compressor離心式壓縮機centrifugal compressor多級壓縮機mutiple stages compressor固定床反應器fixed bed reactor流化床反應器fluidized bed reactor管式反應器tubular reactor列管式換熱器tubular heat exchanger螺旋板式換熱器spiral plate heat exchanger萃取塔extraction column板式塔plate column填料塔packed colum

24、n洗滌塔scrubber吸收塔absorber冷卻塔cooling tower精餾塔fractionating tower汽提塔stripper再生塔regenerator造粒塔prill tower塔附件tower accessories液體分配（布）器liquid distributor填料支持板support plate定距管spacer降液管downcomer升氣管chimney頂(底)層塔盤top (bottom) tray擋板baffle抽出口draw nozzle溢流堰weir泡罩bubble cap篩板sieve plate浮閥float valve除沫器demister pa

25、d塔裙座skirt橢圓封頭elliptical head高位槽head tank中間槽intermediate tank加料槽feed tank補給槽make-up tank計量槽measuring tank電解槽cell溜槽chute收集槽collecting tank液滴分離器knockout drum稀釋罐thinning tank緩沖罐surge drum回流罐r(nóng)eflux drum閃蒸罐flash drum浮頂罐floating roof tank內(nèi)浮頂罐covered floating roof tank球罐spheroid氣柜gas holder濕式氣柜wet gas-holde

26、r干式氣柜dry gas-holder螺旋式氣柜helical gas-holder星型放料器,旋轉(zhuǎn)閥rotary valve抽濾器mutche filter壓濾器filter press壓濾機pressure filter板框壓濾器plate-and-fram filter press轉(zhuǎn)鼓過濾器rotary drum filter帶式過濾器belt filter翻盤式過濾器袋濾器bag filter旋風分離器cyclone separator盤式干燥箱compartment tray drier真空干燥器vacuum drier隧道式干燥器tunnel drier回轉(zhuǎn)干燥器rotary dr

27、ier穿流循環(huán)干燥器through circulation drier噴霧干燥器spray drier氣流干燥器pneumatic conveyor drier圓盤式加料器dish feeder螺旋式加料器screw feeder顎式破碎機jaw crusher回轉(zhuǎn)破碎機gyratory crusher滾洞破碎機roll crusher錘式破碎機hammer crusher沖擊破碎機rotor impact breaker氣流噴射粉碎機jet pulverizer棍磨機rod mill雷蒙機raymond mill錘磨機hammer mill輥磨機roller mill振動篩vibrating

28、 screen回轉(zhuǎn)篩rotary screen風機fan羅茨鼓風機root's blower起重機crane橋式起重機bridge crane電動葫蘆motor hoist發(fā)電機generator電動機motor汽輪機steam turbine 化工裝置詞匯五、管道工程piping engineering1 閥門valve閥桿stem內(nèi)螺紋閥桿inside screw閥座valve seat (body seat)閥座環(huán)、密封圈sealing ring閥芯(包括密封圈,桿等)trim閥盤disc閥體body閥蓋bonnet手輪hand wheel手柄hand level (ha

29、ndle)壓蓋gland閘閥gate valve平行雙閘板double disc parallel seat楔形單閘板split wedge截止閥globe valve節(jié)流閥throttle valve針閥needle valve角閥(角式截止閥)angle valveY型閥(截止閥)Y-valve(Y-body globe valve)球閥ball valve三通球閥3-way ball valve蝶閥butterfly valve對夾式(薄片型)wafer type偏心閥板蝶閥offset disc (eccentric) butterfly valve斜閥盤蝶閥canted disc b

30、utterfly valve連桿式蝶閥link butterfly valve止回式蝶閥combined non-return butterfly valve柱塞閥piston type valve旋塞閥plug valve三通旋塞閥three-way plug valve四通旋塞閥four-way plug valve旋塞cock襯套旋塞sleeve cock隔膜閥diaphragm valve橡膠襯里隔膜閥rubber lined diaphragm valve直通式隔膜閥straight way diaphragm valve夾緊式膠管閥pinch valve止回閥check valve

31、升降式止回閥lift check valve旋啟式止回閥swing check valve落球式止回閥ball check valve彈簧球式止回閥spring ball check valve底閥foot valve切斷式止回閥stop check valve活塞式止回閥piston check valve翻板止回閥flap check valve蝶式止回閥butterfly check valve安全泄氣閥safetySV安全泄放閥relief valveRV安全泄壓閥safety relief valve杠桿重錘式lever and weight type罐底排污閥flush-botto

32、m tank valve波紋管密封閥bellow sealed valve電磁閥solenoid (operated) valve電動閥electrically(electric-motor)operated valve氣動閥pneumatic operated valve低溫用閥cryogenic service valve蒸汽疏水閥steam trap機械式疏水閥mechanical trap浮桶式疏水閥open (top) bucket trap浮球式疏水閥float trap倒吊桶式疏水閥inverted bucket trap自由浮球式疏水閥loose float trap恒溫式疏水

33、閥thermostatic trap壓力平衡式恒溫疏水閥balanced pressure thermostatic trap熱動力式疏水閥thermodynamic trap脈沖式蒸汽疏水閥impulse steam trap放汽閥(自動放汽閥)(automatic) air vent valve換向閥diverting (reversing) valve呼吸閥breather valve減壓閥pressure reducing valve控制閥control valve執(zhí)行機構actuator差壓調(diào)節(jié)閥differential pressure regulating valve切斷閥blo

34、ck (shut-off, stop) valve調(diào)節(jié)閥regulating valve快開閥quick opening valve快閉閥quick closing valve隔斷閥isolating valve三通閥three way valve夾套閥jacketed valve非旋轉(zhuǎn)式閥non-rotary valve2管子,管件,法蘭管子pipe(按標準制造的配管用管)tube(不按標準規(guī)格制造的其它用管)鋼管steel pipe鑄鐵管cast iron pipe襯里管lined pipe復合管clad pipe碳鋼管carbon steelC.S.pipe合金鋼管alloy steel

35、 pipe不銹鋼管stainless steelS.S.pipe奧氏體不銹鋼管austenitic stainless steel pipe鐵合金鋼管ferritic alloy steel pipe軋制鋼管wrought-steel pipe鍛鐵管wrought-iron pipe無縫鋼管seamlessSMLS steel pipe焊接鋼管welded steel pipe電阻焊鋼管electric-resistance-welded steel pipe電熔(弧)焊鋼板卷管electric-fusion(arc)-welded steel-plate pipe螺旋焊接鋼管spiral w

36、elded steel pipe鍍鋅鋼管galvanized steel pipe排污閥blowdown valve集液排放閥drip valve排液閥drain valve放空閥vent valve卸載閥unloading valve排出閥discharge valve吸入閥suction valve取樣閥sampling valve手動閥hand operated(manually-operated) valve(水)龍頭bibb;bib;faucet抽出液閥(小閥)bleed valve旁路閥by-pass valve軟管閥hose valve混合閥mixing valve破真空閥vac

37、uum breaker沖洗閥flush valve根部閥root (primary, header) valve水煤氣鋼管water-gas steel pipe塑料管plastic pipe玻璃管glass tube橡膠管rubber tube壁厚wall thicknessWT壁厚系列號schedule numberSCH.NO.加厚的,加強的extra heavy (strong)雙倍加厚的,雙倍加強的double extra heavy (strong)彎頭elbow異徑彎頭reducing elbow長半徑彎頭long radius elbow短半徑彎頭short radius el

38、bow長半徑180°彎頭long radius return短半徑180°彎頭short radius return三通tee異徑三通reducing tee等徑三通straight tee帶支座三通base tee45°斜三通45°lateralY型三通true"Y"四通cross異徑管reducer同心異徑管concentric reducer偏心異徑管eccentric reducer管接頭coupling;full coupling活接頭union短管nipple預制彎管fabricated pipe bendU型彎管&quo

39、t;U"bend法蘭端flanged end萬向接頭universal joint對焊的butt weldedBW螺紋的threadedTHD承插焊的socket weldedSW法蘭flangeFLG整體管法蘭integral pipe flange鋼管法蘭steel pipe flange螺紋法蘭threaded flange滑套法蘭slip-on flange平焊法蘭slip-on-welding flange承插焊法蘭socket welding flange松套法蘭lap joint flangeLJF對焊法蘭weld neck flangeWNF法蘭蓋blind flan

40、ge;blind異徑法蘭reducing flange壓力級pressure rating(class)突面raised faceRF凸面male face凹面female face全平面;滿平面flat face;full faceFF3.管道特殊件piping speciality粗濾器strainer過濾器filter臨時過濾器temporary strainer(cone type)Y型過濾器Y-type strainerT型過濾器T-type strainer永久過濾器permanent filter洗眼器及淋浴器eye washer and shower視鏡sight glass阻

41、火器flame arrester噴咀;噴頭spray nozzle噴射器ejector取樣冷卻器sample cooler消音器silencer膨脹節(jié)expansion joint波紋膨脹節(jié)bellow補償器compensator軟管接頭hose connectionHC快速接頭quick coupling金屬軟管metal hose橡膠管rubber hose撓性管flexible tube特殊法蘭special flange漏斗funnel8字盲板spectacle (figure 8) blind爆破板rupture disk4,其它材料碳素鋼carbon steel C.S.不銹鋼st

42、ainless steelS.S.鑄鐵cast ironC.I.鋁aluminum銅,紫銅copper鈦titanium抗拉強度tensile strength非金屬材料non-metallic material塑料plastic陶瓷ceramic搪瓷porcelain enamel玻璃glass橡膠rubber墊片gasketGSKT平墊片flat gasket填料packing型鋼shaped steel角鋼angle steel槽鋼channel工字鋼I-beam寬緣工字鋼或H鋼wide flanged beam扁鋼flat bar圓鋼round steel; rod鋼帶strap st

43、eel網(wǎng)絡鋼板checkered plate材料表bill of materialBOM材料統(tǒng)計material take-offMTO散裝材料bulk material綜合管道材料表consolidated piping material summarysheetCPMSS匯總表summary sheet5.設備布置及管道設計中心線center line裝置邊界boundary limitBL區(qū)界area limit設備布置equipment arrangement (layout);plot plan標高,立面elevationEL支撐點point of supportPOS工廠北向pla

44、nt north方位orientation危險區(qū)hazardous area classification凈正吸入壓頭net positive suction head絕對標高absolute elevation坐標coordinate管道研究piping study管道布置平面piping arrangement planPAP管道布置piping assembly; layout詳圖detail"X"視圖view "X""A-A" 剖視section "A-A"軸測圖isometric drawing索引圖ke

45、y plan管道及儀表流程圖piping and instrument diagramP&ID管口表list of nozzles地上管道above ground piping地下管道under ground piping管線號line number總管header; manifold旁路by pass常開normally open常閉normally closed取樣接口sampling connection伴熱管tracing pipe蒸汽伴熱steam tracing熱水伴熱hot-water tracing電伴熱electrical tracing夾套管jacketed lin

46、e全夾套管full jacketed比例scale圖figure草圖sketch圖例legend符號symbol件號part n 化工管道設計技術英語詞匯1.1 管子 Pipe管子(按照配管標準規(guī)格制造的) pipe管子(不按配管標準規(guī)格制造的其他用管) tube鋼管 steel pipe鑄鐵管 cast iron pipe襯里管 lined pipe復合管 clad pipe碳鋼管 carbon steel pipe合金鋼管 alloy steel pipe不銹鋼 stainless steel pipe奧氏體不銹鋼管 austenitic stainless steel pipe鐵合金鋼管

47、 ferritic alloy steel pipe軋制鋼管 wrought-steel pipe鍛鐵管 wrought-iron pipe無縫鋼管 seamless (SMLS) steel pipe焊接鋼管 welded steel pipe電阻焊鋼管 electric-resistance welded steel pipe電熔（弧）焊鋼板卷管 electric-fusion (arc)-welded steel-plate pipe螺旋焊接鋼管 spiral welded steel pipe鍍鋅鋼管 galvanized steel pipe熱軋無縫鋼管 hot-rolling se

48、amless pipe冷拔無縫鋼管 cold-drawing seamless pipe水煤氣鋼管 water-gas steel pipe塑料管 plastic pipe玻璃管 glass tube橡膠管 rubber tube直管 run pipe; straight pipe1.2 管件 Fitting彎頭 elbow異徑彎頭 reducing elbow帶支座彎頭 base elbowk半徑彎頭 l0ng radius elbow短半徑彎頭 short radius elbow長半徑180°彎頭 l0ng radius return短半徑180°彎頭 short r

49、adius return帶側向口的彎頭（右向或左向） side outlet elbow (right hand or left hand)雙支管彎頭（ 形） double branch elbow三通 tee異徑三通 reducing tee等徑三通 straight tee帶側向口的三通（右向或左向） side outlet tee (right hand or 1eft hand)異徑三通（分支口為異徑） reducing tee (reducing on outlet)異徑三通（一個直通口為異徑）reducing tee (reducing on one run)帶支座三通 base

50、tee異徑三通（一個直通口及分支口為異徑） reducing tee (reducing on one run and outlet)異徑三通（兩個直通口為異徑，雙頭式） reducing tee (reducing on both runs, bull head)45°斜三通 45° lateral45°斜三通（支管為異徑） 45° lateral (reducing on branch)45°斜三通(一個直通口為異徑) 45° lateral (reducing on one run)45°斜三通(一個直通口及支管為異徑

51、) 45° lateral (reducing on one run and branch)Y型三通（俗稱褲衩） true “Y”四通 cross等徑四通 straight cross異徑四通 reducing cross異徑四通（一個分支口為異徑）reducing cross (reducing on one outlet)異徑四通（一個直通口及分支口為異徑） reducing cross (reducing on one run and outlet)異徑四通（兩個分支口為異徑） reducing cross (reducing on both outlet)異徑四通（一個直通口

52、及兩個分支口為異徑） reducing cross (reducing on one run and both outlet)異徑管 reducer同心異徑管 concentric reducer偏心異徑管 eccentric reducer鍛制異徑管 reducing swage螺紋支管臺 threadolet焊接支管臺 weldolet承插支管臺 sockolet彎頭支管臺 elbolet斜接支管臺 latrolet鑲入式支管嘴 sweepolet短管支管臺 nipolet支管臺，插入式支管臺 boss管接頭 coupling, full coupling半管接頭 half couplin

53、g異徑管接頭 reducing coupling活接頭 union內(nèi)外螺紋縮接（俗稱補芯） bushing管帽 cap (C)堵頭 plug短節(jié) nipple異徑短節(jié) reducing nipple; swage nipple1.3 彎管 Bend預制彎管 fabricated pipe bend跨越彎管（ 形） cross-over bend偏置彎管（ 形） offset bend90°彎管 quarter bend環(huán)形彎管 cirele bend單側偏置90°彎管（? 形） single offset quarter bendS形彎管 “S” bend單側偏置U形膨脹彎

54、管（| ?形） single offset “U” bendU形彎管 “U” bend雙偏置U膨脹彎管 double offset expansion “U” bend斜接彎管 mitre bend三節(jié)斜接彎管 3-piece mitre bend折皺彎管 corrugated bend圓度 roundness1.4 法蘭 Flange (FLG）整體管法蘭 integral pipe flange鋼管法蘭 steel pipe flange螺紋法蘭 threaded flange滑套法蘭（包括平焊法蘭） slip-on flange (SO); slip-on welding flange承插焊法蘭 socket welding flange松套法蘭 lap joint flange (LJF)對焊法蘭 welding neckflange (WNF)法蘭蓋 blind flange, blind孔板法蘭 orifice flange異徑法蘭 reducing flange盤座式法蘭 pad type flange松套帶頸法蘭 loose hubbed flange焊接板式法蘭 welding pl