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 roundness1.4 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