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1、1管道组成件Pipingcomponent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steelpipe铸铁管castironpipe碳钢管carbonsteelpipe合金钢管alloysteelpipe不锈钢stainlesssteelpipe塑料管plasticpipe玻璃管glasstube橡胶管rubbertube直管runpipe;straightpipe1.2管件Fitting弯头elbow异径弯头reducingelbow三通tee异径三通reducingtee等径三通straighttee四通cr

2、oss等径四通straightcross异径四通reducingcross异径管reducer活接头union管帽cap(C)堵头plug短节nipple1.3弯管Bend圆度roundness1.4法兰Flange(FLG）整体管法兰integralpipeflange钢管法兰steelpipeflange法兰盖blindflange,blind压力级pressurerating,pressureratingclass压力—温度等级pressure-temperaturerating法兰密封面，法兰面flangefacing法兰面加工facingfinis

3、h粗糙度roughness光滑的smooth1.5垫片Gasket(GSKT)垫片的型式typeofgasket平垫片flatgasket环形平垫片flatringgasket平金属垫片flatmetalgasket1.6阀门Valve1.6.1阀门结构、零件阀杆stem阀座valveseat(bodyseat)阀座环、密封圈seatring阀芯（包括密封圈、杆等内件）trim阀体body阀盖bonnet本体阀杆密封bodystemseal石棉安全密封asbestosemenenseal阀杆填料stempacking1.6.2常用阀(1）闸阀gatevalv

4、e(2)截止阀globevalve(3)节流闪阀throttlevalve针阀needlevalve(4)角阀anglevalve(5)Y型阀（Y型阀体截止阀）Y-valve(Y-bodyglobevalve)(6)球阀ballvalve(7)蝶阀butterflyvalve(8)柱塞阀pistontypevalve(9)旋塞阀plugvalve三通旋塞阀three-wayplugvalve四通旋塞阀four-wayplugvalve(10)隔膜阀diaphragmvalve(12)止回阀checkvalve1.6.3其它用途的阀安全泄气阀safetyval

5、ve(SV)安全泄液阀reliefvalve(RV)安全泄压阀safetyreliefvalve杠杆重锤式leverandweighttype电磁阀solenoidvalve,solenoidoperatedvalve蒸汽疏水阀steamtrap气动阀pneumaticoperatedvalve机械式疏水阎mechanicaltrap浮球式疏水阀floattrap放气阀（自动放气阀）airventvalve(automaticairventvalve)（疏水阀用）热膨胀阀thermoexpansionvalve减压阀pressurereducingvalve

6、,reducingvalve1.6.4未指明结构（或阀型）的阀切断阀blockvalve;shut-offvalve;stopvalve调节阀regulatingvalve集液排放阀dripvalve排液阀drainvalve放空阀ventvalve卸载阀unloadingvalve排出阀dischargevalve吸入阀suctionvalve取样阀samplingvalve总管阀headervalve1.7管道特殊件PipingSpecialty1.7.1管道特殊件（组件）粗滤器strainer过滤器filter丝网粗滤器gauzestrainer视镜s

7、ightglass阻火器flamearrester喷嘴；喷头spraynozzle膨胀节expansionjoint消声器silencer1.7.2管道特殊元件PipingSpecialElement软管接头hoseconnection(HC)快速接头quickcoupling橡胶管rubberhose爆破片rupturedisk8字盲板spectacleblind;figure8blind1.8端部连接EndConnection法兰端flangedend平端plainend(PE)对焊连接（接头）buttweldedjoint法兰连接（接头）flanged

8、joint2管道用紧固件及螺纹2.1紧固件螺栓bol