設(shè)計英漢對照表

1、1 管道組成件 Piping component1.1 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(fù)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 ferritic alloy steel pipe軋制鋼管 wrought-steel pipe鍛鐵管

2、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（?。┖镐摪寰砉?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 seamless pipe冷拔無縫鋼管 cold-drawing seamless pipe水煤氣鋼管 wat

3、er-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 long radius elbow短半徑彎頭 short radius elbow長半徑180°彎頭 long radius return短半徑180°彎頭 short radius return帶側(cè)向口的彎頭（右向或左向） side outlet elbow (right h

4、and 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(cè)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 tee異徑三通（一個直通口及分支口為異徑） reducing tee (reducing on one r

5、unoutlet)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) 45° lateral (reducing on one runbranch)Y型三通（俗稱褲衩） t

6、rue “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 runoutlet)異徑四通（兩個分支口為異徑） reducing cross (reducing on both outlet)異徑四通（一個直通口及兩個分支口為異徑） reducing cross (reducing on one runboth outlet)異徑管 reduce

7、r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?cè)胧街Ч茏?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 coupling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)

8、nipple異徑短節(jié) reducing nipple; swage nipple1.3 彎管 Bend預(yù)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(cè)偏置90°彎管（? 形） single offset quarter bendS形彎管 “S” bend單側(cè)偏置U形膨脹彎管（| ?形） single offset “U” bendU形彎管 “U” bend雙偏置U膨脹彎管 double offset expansi

9、on “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 neckfla

10、nge (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 plate flange對焊環(huán) welding neck collar （與stub end相似）平焊環(huán) welding-on collar突緣短節(jié) stub end, lap翻邊端 lapped pipe end松套板式法蘭 loose plate flange壓力級 pressure rating, pressure ratin

11、g class壓力溫度等級 pressure-temperature rating法蘭密封面，法蘭面 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環(huán)連接面 ring joint face全平面；滿平面 flat face; full face (FF)光滑突面 smooth raised face (SRF)法蘭面加工 facing finish粗糙度 roughness光滑的 smooth齒形 serrated均方根 root mean squ

12、are (RMS)算術(shù)平均粗糙高度 arithmetical average roughness height (AARH)配對法蘭 companion-flange螺栓圓 bolt circle (B.C.)1.5 墊片 Gasket (GSKT)墊片的型式 type of gasket平墊片 flat gasket環(huán)形平墊片 flat ring gasket平金屬墊片 flat metal gasket夾棉織物的橡膠 elastomer with cotton fabric insertion夾石棉織物的橡膠 elastomer with asbestos fabric insertion

13、夾石棉織物及金屬絲加強的橡膠 elastomer with asbestos fabric insertionwith wire reinforcement無石墨壓縮白石棉墊片 non graphited compressed white asbestos gasket天然白橡膠墊片 natural white rubber gasket壓縮石棉墊片 compressed asbestos class gasket浸聚四氟乙烯的石棉墊片 PTFE impregnated asbestos gasket夾石棉的纏繞金屬墊片 spiral-wound metal gasket with asbes

14、tos filler內(nèi)環(huán) inner ring外環(huán)，外定位環(huán) outer ring波紋金屬墊片 corrugated metal gasket波紋金屬包嵌石棉墊片 corrugated metal gasket with asbestos inserted雙夾套波紋金屬包石棉墊片 corrugated metal double jacketed asbestos filled gasket雙夾套墊片 double jacketed gasket金屬包石棉平墊片 flat metal jacketed asbestos filled gasket整體金屬齒形墊片 solid metal serr

15、ated gasket槽形金屬墊片 grooved metal gasket環(huán)形連接金屬墊片 ring joint metal gasket八角環(huán)形墊片 octagonal ring gasket橢圓環(huán)形墊片 oval ring gasket透鏡式墊片 lens gasket非金屬墊片 non-metallic gasket1.6 閥門 Valve1.6.1 閥門結(jié)構(gòu)、零件閥軛 yoke外螺紋閥桿及閥軛 outside screwyoke (OS & Y)閥桿 stem內(nèi)螺紋 inside screw (IS)閥軛套 yoke sleeve閥桿環(huán) stem ring閥座 valve s

16、eat (body seat)閥座環(huán)、密封圈 seat ring整體（閥）座 integral seat堆焊（閥）座 deposited seat閥芯（包括密封圈、桿等內(nèi)件） trim閥盤 disc閥盤密封圈 disc seat閥體 body閥蓋 bonnet閥蓋襯套 bonnet bush螺紋閥帽 screw cap螺紋閥蓋 screw bonnet螺栓連接的閥蓋 bolted bonnet (BB)活接閥蓋（帽） union bonnet (cap)螺栓連接的閥帽 bolted cap (BC)焊接閥蓋 welded bonnet (WB)本體閥桿密封 body stem seal石棉安全

17、密封 asbestos emenen seal倒密封 back seal壓力密封的閥蓋 pressure-tight bonnet動力操縱器 powered operator電動操縱器 electric motor operator氣動操縱器 pneumatic operator液壓操縱器 hydraulic operator快速操縱器 quick-acting operator滑動閥桿 sliding stem正齒輪傳動 spur gear operated傘齒輪傳動 bevel gear operated扳手操作 wrench operated鏈輪 chain wheel手輪 hand w

18、heel手柄 hand lever (handle)氣缸（或液壓缸）操縱的 cylinder operated鏈條操縱的 chain operated等徑孔道 full bore; full port異徑孔道 reducing bore, reduced port,venturi port短型 short pattern緊湊型（小型） compact type籠式環(huán) lantern ring壓蓋 gland閥桿填料 stem packing閥蓋墊片 bonnet gasket升桿式（明桿） rising stem (RS)非升桿式（暗桿） non-rising stem (NRS)指示器/限位

19、器 indicator/stopper注油器 grease injector可更換的閥座環(huán) renewable seat ring1.6.2 常用閥(1）閘閥 gate valve平行雙閘板 double disc parallel seat開口楔形閘板 split wedge撓性整體楔形閘扳 flexible solid wedge整體楔形閘板 solid wedge塞型閘閥 plug gate valve直通型閘閥 through conduit gate valve(2) 截止閥 globe valve球心型閥盤 globe type disc塞型閥盤 plug type disc可轉(zhuǎn)動

20、的閥盤 swivel disc(3) 節(jié)流閃閥 throttle valve針閥 needle valve(4) 角閥 angle valve(5) Y型閥（Y 型閥體截止閥） Y-valve (Y-body globe valve)(6) 球閥 ball valve三通球閥 3-way ball valve裝有底軸的 trunnion mounted耐火型 fire safe type浮動球型 floating ball type防脫出閥桿 blowout proof stem(7) 蝶閥 butterfly valve對夾式（薄片型） wafer type凸耳式 lug type偏心閥板蝶

21、閥 offset disc burerfly valve; eccentric butterfly valve斜閥盤蝶閥 canted disc butterfly valve連桿式蝶閥 link butterfly valve8) 柱塞閥 piston type valve(9) 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(10) 隔膜閥 diaphragm valve橡膠襯里隔膜閥 rubber lined diaphragm valve直通式隔膜閥 str

22、aight way diaphragm valve堰式隔膜閥 weir diaphragm valve(11) 夾緊式膠管閥 pinch valve（用于泥漿、粉塵等）(12) 止回閥 check valve升降式止回閥 lift check valve旋啟式止回閥 swing check valve, flap check valve落球式止回閥 ball check valve彈簧球式止回閥 spring ball check valve雙板對夾式止回閥 dual plate wafer type check valve無撞擊聲止回閥 non-slam cheek valve底閥 foot

23、 valve切斷式止回閥 stop check valve; non-return valve活塞式止回閥 piston check valve斜翻盤止回閥 tilting disc check valve蝶式止回閥 butterfly check valve1.6.3 其它用途的閥安全泄氣閥 safety valve (SV)安全泄液閥 relief valve (RV)安全泄壓閥 safety relief valve杠桿重錘式 leverweight type引導(dǎo)閥操縱的安全泄氣閥 pilot operated safety valve復(fù)式安全泄氣閥 twin type safety v

24、alve罐底排污閥 flush-bottom tank valve電磁閥 solenoid valve, solenoid operated valve電動閥 electrically operated valve, electric-motor operated valve氣動閥 pneumatic operated valve低溫用閥 cryogenic service valve蒸汽疏水閥 steam trap機械式疏水閻 mechanical trap浮桶式疏水閥 open bucket trap, open top bucket trap浮球式疏水閥 float trap倒吊桶式疏水

25、閥 inverted bucket trap自由浮球式疏水閥 loose float trap恒溫式疏水閥 thermostatic trap金屬膨脹式蒸汽疏水閥 metal expansion steam trap液體膨脹式蒸汽疏水閥 liquid expansion steam trap雙金屬膨脹式蒸汽疏水閥 bimetallic expansion steam 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放氣閥（自動放氣閥） a

26、ir vent valve (automatic air vent valve) （疏水閥用）平板式滑動閘閥 slab type sliding gate valve蓋閥 flat valve換向閥 diverting valve, reversing valve熱膨脹閥 thermo expansion valve自動關(guān)閉閥 self-closing gate valve自動排液閥 self-draining valve管道盲板閥 line-blind valve擠壓閥 squeeze valve（用于泥漿及粉塵等）呼吸閥 breather valve風門、擋板 damper減壓閥 pres

27、sure reducing valve, reducing valve控制閥 control valve膜式控制閥 diaphragm operated control valve執(zhí)行機構(gòu) actuator背壓調(diào)節(jié)閥 back pressure regulating valve差壓調(diào)節(jié)閥 differential pressure regulating valve壓力比例調(diào)節(jié)閥 pressure ratio regulating valve1.6.4 未指明結(jié)構(gòu)（或閥型）的閥切斷閥 block valve; shut-off valve; stop valve調(diào)節(jié)閥 regulating va

28、lve快開閥 quick opening valve快閉閥 quick closing valve隔斷閥 isolating valve三通閥 three way valve夾套闊 jacketed valve非旋轉(zhuǎn)式閥 non-rotary valve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多通路閥 multiport valve取樣閥 sampling valve手動閥 hand-operated

29、 valve; manually operated valve鍛造閥 forged valve鑄造閥 cast 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 vacuum breaker沖洗閥 flush valve第一道閥；根部閥 primary valve根部閥 root valve總管閥 header valve事故切斷閥 emergency valve1.7 管道特殊件 Piping Specialty1.7.1 管道特殊件（組件）粗

30、濾器 strainer過濾器 filter臨時粗濾器（錐型） temporary strainer (cone type)y 型粗濾器 y-type strainerT型粗濾器 T-type strainer永久過濾器 permanent filter絲網(wǎng)粗濾器 gauze strainer洗眼器及淋浴器 eye washershower視鏡 sight glass阻火器 flame arrester噴嘴；噴頭 spray nozzle取樣冷卻器 sample cooler消聲器 silencer膨脹節(jié) expansion joint波紋膨脹節(jié) bellow expansion joint單波

31、 single bellow雙波 double bellow多波 multiple bellow壓力平衡式膨脹節(jié) pressure balanced expansion帶鉸鏈膨脹節(jié) hinged expansion joint軸向位移型膨脹節(jié) axial movement type expansion joint自均衡膨脹節(jié)（外加強環(huán)）self-equalizing expansion joint帶接桿膨脹節(jié) tied expansion joint萬向型膨脹節(jié) universal type expansion joint球形補償器 ball type expansion joint填函式補償

32、器 slip type (packed type) expansion joint單向滑動填料函補償器 single actionpacked slip joint1.7.2 管道特殊元件Piping Special Element軟管接頭 hose connection (HC)快速接頭 quick coupling金屬軟管 metal hose橡膠管 rubber hose撓性管 flexible tube鞍形補強板 reinforcing saddles補強板 reinforcement pad特殊法蘭 special flange漏斗 funnel排液環(huán) drip ring排液漏斗 d

33、rain funnel插板 blank墊環(huán) spacer8字盲板 spectacle blind; figure 8 blind限流孔板 restriction orifice爆破片 rupture disk法蘭蓋貼面 protective disc費托立克接頭 victaulic coupling1.8 端部連接 End Connection法蘭端 flanged end坡口端 beveled end (BE)對焊端 butt welded end平端 plain end (PE)承插焊端 socket welding end螺紋端 threaded end (TE)承口 bell end焊

34、接端 welding end法蘭連接（接頭） flanged joint對焊連接（接頭） butt welded joint螺紋連接，管螺紋連接 threaded joint, pipe threaded joint錐管螺紋密封焊連接 seal-welded taper pipe threaded joint承插焊連接（接頭） socket welded joint承插連接（接頭） bellspigot joint環(huán)墊接頭 ring joint (RJ)萬向接頭 universal joint軟釬焊連接（接頭） soldered joint搭接接頭，松套連接 lapped joint外側(cè)厚度切

35、斜角 bevel for outside thickncss內(nèi)側(cè)厚度切斜角 bevel for inside thickness內(nèi)外側(cè)厚度切斜角 bevel for combined thickness法蘭式的 flanged (FLGD)對焊的 butt welded (BW)螺紋的 threaded (THD)承插焊的 socket welded (SW)小端為平的 small end plain (SEP)大端為平的 large end plain (LEP)兩端平 both ends plain (BEP)小端帶螺紋 small end thread (SET)大端帶螺紋 large

36、end thread (LET)兩端帶螺紋 both end thread (BET)一端帶螺紋 one end thread (OET)支管連接 branch connection焊接支管 branch pipe welded directly to the run pipe2 管道用緊固件及螺紋2.1 緊固件螺栓 bolt六角頭螺栓 hexagonal head bolt方頭螺栓 square head bolt螺柱，雙頭螺栓 stud bolt環(huán)頭螺檢 eye bolt沉頭螺栓 countersunk (head) screw地腳螺栓 anchor bolt; foundation bo

37、lt松緊螺旋扣（花籃螺絲） turnbuckleU形螺栓 U-boltT形螺栓 T-bolt圓頭螺釘 round head bolt機螺栓，機螺釘 maehine bolt頂開螺栓，頂起螺栓 Jack screw自攻螺釘 self tapping screw膨脹螺栓 expansion bolt粗制的 coarse精制的 finished, fine螺母 nut六角螺母 hexagonal nut方螺母 square nut蝶形螺母 wing nut扁螺母 flat nut鎖緊螺母 lock nut墊圈 washer平墊圈 plain washer球面墊圈 spherical washer彈簧

38、墊圈 spring washer方墊圈 square washer斜墊圈 slant washer銷軸 pinned shan銷 pin開口銷 cotter pin定位銷 dowel pin帶孔銷 pin with hole圓錐銷 taper pin鉚釘 rivet鍵 key2.2 螺紋左螺紋left hand thread右螺紋 right hand thread管螺紋 pipe thread錐管螺紋 taper pipe thread直管螺紋straight pipe thread梯形螺紋 trapezoid thread螺距pitch of thread粗牙螺紋coarse thread

39、細牙螺紋 fine thread特細牙螺紋extra fine thread通長螺紋full thread惠氏螺紋whitworth thread公制螺紋 metric ibread美國標準錐管螺紋 American standard taper pipe thread (NPT)螺孔 tap3 材料、型鋼及填料3.1 金屬材料3.1.1 黑色金屬 Ferrous Metal碳素鋼 carbon steel (CS)低碳鋼 low-carbon steel中碳鋼 medium-carbon steel高碳鋼 high-carbon steel普通碳素鋼 general carbon steel

40、優(yōu)質(zhì)碳素鋼 high-quality carbon steel普通低合金結(jié)構(gòu)鋼 general structure low-alloy steel合金結(jié)構(gòu)鋼 structural alloy steel合金鋼 alloy steel低合金鋼 low alloy steel中合金鋼 medium alloy steel高合金鋼 high alloy steel耐熱鋼 heat resisting steel高強度鋼 high strength steel復(fù)合鋼 clad steel工具鋼 tool steel彈簧鋼 spring steel鉬鋼 molybdenum steel鎳鋼 nickel

41、 steel鉻鋼 chromium steel鉻鉬鋼 chrome-molybdenum steel鉻鎳鋼 chromium-nickel steel,chrome-nickel steel不銹鋼 stainless steel (S.S.)奧氏體不銹鋼 Austenitic stainless steel馬氏體不銹鋼 Martensitic stainless steel司特來合金（鎢鉻鈷臺金） Stellite耐蝕耐熱鎳基合金 Hastelloy鉻鎳鐵合金 inconel耐熱鉻鎳鐵合金 incoloy20合金 20 alloy平爐鋼（馬丁鋼） Martin steel鎮(zhèn)靜鋼 killed

42、steel半鎮(zhèn)靜鋼 semi-killed steel沸騰鋼 rimmed steel; rimming steel; open-steel鍛鋼 forged steel鑄鋼 cast steel鑄鐵 cast iron (C.I.)灰鑄鐵 grey cast iron可鍛鑄鐵 malleable iron (MI)球墨鑄鐵 nodular cast iron; nodular graphite iron生鐵 pig iron熟鐵，鍛鐵 wrought iron鑄件 casting高硅鑄鐵 high silicon cast iron3.1.2 鍍層及制造方法滲鉻鋼，鍍鉻鋼 chromized

43、 steel鍍鉻的 chromium-plated, chrome-plated鍍層 plating鍛造，型鋼 swage鍛造的，鍛造 forging軋制 rolling熱軋 hot rolling冷軋 cold rolling擠壓 extruding冷加工 cold working熱加工 hot working拔制 drawing3.1.3 有色金屬Non-ferrous Metal鋁 aluminum銅，紫銅 copper黃銅 brass青銅 bronze鋁青銅 aluminum bronze磷青銅 phosphor bronze鋁鎂合金 aluminum magnesium錳青銅 man

44、ganese bronze蒙乃爾（注：鎳及銅合金） Monel鎳銅臺金 nickel copper alloy非鐵合金 nonferrous alloy鈦 titanium鉛 lead硬鉛 hard lead3.1.4 材料性能極限強度 ultimate strength抗拉強度 tensile strength屈服極限 yield limit屈服點 yield point延伸率 percentage elongation抗壓強度 compressive strength抗彎強度 bending strength彈性極限 elastic limit沖擊值 impact value疲勞極限 fa

45、tigue limit蠕變極限 creep limit持久極限 endurance limit布氏硬度 Brinell hardness洛氏硬度 Rockwell hardness維氏硬度 Vickers diamond hardness, diamond penetrator hardness蠕變斷裂強度 creep rupture strength斷面收縮率 reduction of area韌性 toughess脆性 brittleness延性 ductility冷脆 cold shortness冷流 cold flow3.2 非金屬材料 Non-metallic Material塑料

46、plastic丙烯腈丁二烯苯乙烯 acrylonitrile-butadiene-styrene (ABS)聚乙烯 polyethylene (PE)聚氯乙烯 polyvinyl chloride (PVC)苯乙烯橡膠 styrene-rubber (SR)聚丁烯 polybutylene (PB)聚丙烯 polypropylene (PP)聚苯乙烯 polystyrene (PS)氯化聚醚 chlorinated polyether (CPE)聚酰胺 polyamide (PA)聚碳酸酯 polycarbonate (PC)聚甲基丙烯酸甲酯 polymethyl methacrylate (

47、PMMA)醋酸丁酸纖維素cellulose acetate butyrate (CAB)氯化聚氯乙烯 chlorinated polyvinyl chloride (CPVC)聚偏二氟乙烯 polyvinylidene fluoride (PVDF)縮醛塑料 acetal plastic尼龍塑料 nylon plastic聚烯烴 polyolefin (PO)石墨酚醛塑料 graphite phenolic plastics聚四氟乙烯 polytetrafluoroethylene (PTFE)纖維增強熱塑性塑料 fiber reinforced thermoplastics熱塑性塑料 the

48、rmoplastic熱固性塑料 thermosetting plastics膠粘劑 adhesive溶劑膠接劑 solvent cement樹脂 resin環(huán)氧樹脂 epoxy, epoxy resin聚酯樹脂 polyester resin聚酯纖維 polyester fibers氟塑料 fluoroplastics聚氨基甲酸酯 polyurethane丙烯酸樹脂 acrylic resin脲醛樹脂 urea resin呋哺樹脂 furan resin乙烯丙烯二烴單體 ethylene propylene diene monomer (EPDM)合成橡膠 synthetic rubber橡膠

49、 rubber丁腈橡膠 nitrile butadiene rubber氯丁橡膠 neoprene天然橡膠 natural rubber乙丙橡膠 ethylene propylene rubber (EPR)玻璃 glass硼硅玻璃 borosilicate glass耐火磚 fire brick陶瓷 ceramic搪瓷 porcelain enamel木材 wood3.3 型材型鋼 shaped steel, section steel, swage角鋼 angle steel槽鋼 channel工字鋼 I-beam寬緣工字鋼或H鋼 wide flanged beamT型鋼 T-bar方鋼

50、square bar扁鋼 flat bar角鋼 hexagonal steel bar圓鋼 round steel; rod鋼帶 strap steel鋼板 plate網(wǎng)紋鋼板 checkered plate腹板（指型鋼的立板） web翼緣（指型鋼的緣） wing3.4 填料及填料函填料 packing石棉繩 asbestos rope, asbestos cordO形環(huán) O-ring自密封 self-sealing四氟帶 Teflon tap帶鉻鎳合金絲的石棉繩 asbestos rope with inconel wire, inconel wire asbestos浸聚四氟乙烯的石棉填料

51、 Teflon impregnated asbestos packing金屬填料 metallic stuffing填料箱，填料函 packing box, stuffing box填料函壓蓋 stuffing box gland4 管道等級及材料統(tǒng)計4.1 管道材料規(guī)定 Piping Material Specification管道等級 piping class; piping classification管道等級號 class designation公稱直徑 nominal diameter (DN); nominal (pipe) size公稱壓力 nominal pressure (PN)壓力級，等級，類別 class (CL)低壓 low pressure (L.P.)中壓 medium pressure