特殊气体阀门培训

abcVALVES,CONNECTIONS,&PRDs阀门、接头和泄压装置CYLINDERGASERTRAINING钢瓶气体应急培训abcCYLINDERVALVES瓶阀VALVES阀门CONNECTIONS接头RELIEFDEVICES泄压装置abcCYLINDERVALVES瓶阀TYPES种类MATERIALSOFCONSTRUCTION制作材料APPLICATIONSLOGIC使用逻辑abcCYLINDERVALVES瓶阀MANUALVALVETYPES手动阀门PRESSURESEAL压力密封PACKED-WRENCHOPERATED填塞–扳手操作PACKED-HANDWHEELOPERATED填塞–手柄操作SPRING-LIFTDIAPHRAGM弹簧-提升隔膜TIEDDIAPHRAGM与阀芯联结的隔膜PNEUMATICVALVES气动阀TIEDDIAPHRAGM与阀芯联结的隔膜abcCYLINDERVALVES瓶阀MATERIALSOFCONSTRUCTION制作材料BRASS黄铜Inerts,Oxidizers,Flammables惰气、氧化性气体、可燃气体CARBONSTEEL碳钢Ammonia,Amines氨气、胺类ALUMINUMSILICONBRONZE铝硅青铜Corrosives,Oxidizers腐蚀性气体、氧化性气体STAINLESSSTEEL不锈钢Highpurity高纯度NewAmmonia,Amines新型氨气、胺类HASTALLOY哈氏合金HighPurityCorrosiveChlorides高纯腐蚀性氯气abcPressureSealValve压力密封阀弹簧组件手轮阀帽填料阀杆上部阀杆下部泄压装置阀座阀体abcPressureSealValve压力密封阀Userfriendly,usedwithpressuresupto6000psig使用方便，最高工作压力可达6000psigUsedwithindustrial,lowpuritygases–threadsinwettedpartofgasstream用于低纯度的工业气体–气体会接触螺纹Twopiecestem,slotandbladeconfiguration阀杆有两部分，槽杆搭配Springinhandlewheel,canwiggle弹簧嵌在手轮内，可以扭动Backseattofullyopen后阀座保证阀门完全打开Handwheeldoesnotriseorlowerwhenopeningorclosing关闭或打开阀门，手轮不会上升或下降“Leaks”aroundstemwhenopeningorclosing开关阀门时，可能在阀杆处发生泄漏Surprise惊讶(smallacetylenecylindervalvesdonothavehandwheel)小乙炔瓶的瓶阀不带手轮abcWrenchOperatedPackedValve扳手操作填料阀压紧螺母填料压圈填料阀杆泄压装置阀座阀体abcWrenchOperatedPackedValve扳手操作填料阀Usedincorrosive,reactivegasservices,F2,HCl,Cl2,NH3用于腐蚀性、活性气体供应Nohandwheel,topofstemissquaredofftoaccommodatewrench没有手轮，阀杆顶端制为方形，供扳手操作Packedvalvewithaonepiecestem带单体阀杆Sealismetaltometal-seatwears金属对金属的密封形式–阀座会磨损Whennew-closesat35ft-lbs–wornvalvesmayneed100ft-lbstoclose关紧新阀门需35英尺·磅的扭矩–关紧已磨损阀门需100英尺·磅的扭矩mayneedtwowrenchestoclose,especiallyonsmallcylinders需要两个扳手关阀，特别是小钢瓶Largeteflonslug–wearsandcan“coldflow”大特氟纶芯–会磨损，导致“冷流”Corrosionproducts–can“cement”threads,canbuilduponsealingsurface腐蚀产品–会“粘接”螺纹，阻塞封接面Verylargeflowcapacity–fullyopen¼to½turn很大流量能力–转动1/4到1/2圈全开abcF2VALVEW/PACKINGSEAL填料密封的F2阀门abcHandwheelOperatedPackedValve手轮操作填料阀锁紧螺母手轮填料盖阀杆上部阀杆下部泄压装置阀座阀体压紧螺母填料abcHigherpuritycorrosive&reactivegases高纯腐蚀反应性气体Handwheelwithnospring,stemriseswhenopened手轮没有弹簧，开阀时首轮上升Twoorthreepiecestem,lowerstemattachedtoupperstemviaslipjoint手轮分2或3段，下端和上端通过伸缩接头连接stemsealswithoutrotating,不是通过旋转来密封阀杆lessforceneededtoensureseal不需大外力来保证密封Relativelylowflow-about3turnstofullyopen流量相对较低–大约旋3圈全开Nothreadsorlubricantsinwettedstream与气体接触的阀杆没有螺纹或润滑剂Neverusewrenchestoclose不要用扳手关阀门HandwheelOperatedPackedValve手轮操作填料阀abcDiaphragmValve(secondgeneration)隔膜阀（第二代）隔膜片手轮阀杆上部阀杆下部泄压装置阀座阀体定位螺母弹簧abcDiaphragmValves隔膜阀Usedforhighpuritygases,raregases,toxicgases-superiorleakintegrity用于高纯气体、稀有气体、毒气–最大防止泄露设计Handwheeloperated,twopiecestemseparatedbyanon-perforateddiaphragms手轮操作，上下阀杆被无孔膜片分开Nospringinhandwheel(nowiggle),stemrisesandlowers手轮内没弹簧（不会摆动），阀杆上下移动Springaroundlowerstemwhichpushesthelowerstemawayfromseatwhenopened弹簧趋使下阀杆向上移动，于是阀门开启11/2turnstofullyopen,donotbackseat转1.5圈全开DOUBLECLOSUREtechniqueneeded需要“双关闭技术”Canopenfromvibration–wiretiedshutontoxics,pyrophorics振动可能打开阀门–毒性、自燃性气体阀门须用线栓死。Confirmvalveisclosedbeforeyouremoveoutletseal取下出口密封前，确定阀门是关紧的Neverusewrenchesorcheaters–canpermanentlydishdiaphragms,pushseatinopening决不能用扳手工具–可能永久破坏膜阀Flowlimiters(RFO’s)oftenaddedforhazardousgases对毒性气体通常加限流装置abcTied-DiaphragmValve膜片与阀芯联结的阀门隔膜片手轮阀杆组件阀座阀体定位螺母abcUsedforhighpuritygases,raregases,toxicgases用于高纯度气体、稀有气体、毒气Twopiecestemconnectedthroughthediaphragm上下阀杆通过膜片联结nospring,lowerstemphysicallypulledawayfromseat没有弹簧、下阀杆被拉离阀座¾turntoachievefullflow转3/4圈全开Leakcheckportonsideofvalvetocheckfordiaphragmleaks阀门侧有检漏口，用来检查膜片是否泄漏Betterforhigh-purityservices,muchlowerinternalvolumeandnospring比较适合高纯度气体供应DoubleClosuretechniqueneeded需要“双关闭技术”Canopenfromvibration–wire-tiedshutontoxics,pyrophorics振动可能打开阀门–毒性、自燃性气体阀门须用线栓死。Confirmvalveisclosedbeforeyouremoveoutletseal取下出口密封前，确定阀门是关紧的RFO’softenaddedforhazardousgases对毒性气体通常加限流装置Tied-DiaphragmValve膜片与阀芯联结的阀门abcPneumaticTiedDiaphragmValve气动膜阀ActuationPressureInlet压缩空气入口ShippingLock阀锁LockPositionIndicator锁紧位置指示abcCeodeuxPneumaticValvesCeodeux气动阀门CEODEUXHI-FLOWPNEUMATICabcUsedforhighpuritygases,pyrophoricgasesandtoxicgases–electronicsindustry用于高纯度气，自燃气体和毒气–电子工业Remotelyoperatedwith60-100psigofnitrogen远程控制60-100psig氮气Fail-ClosedDesign故障自动关闭设计Losenitrogenpressure-valvewillclose没有氮气压力，阀门会关闭Redpininwithshippinglockturnedhardallthewayclockwise–valveclosedandlocked,readyforshipment红色针形标志在锁紧位置，顺时针很难扭动–这时阀门关闭并锁紧，准备运输Redpinout–valvereadytobeused红色针形标志出来–阀门准备使用了ManualoperatoravailableforERuse,etc.紧急应变时也可手动。PneumaticTiedDiaphragmValve气动膜阀NerikiPneumaticDiaphragm-on-SeatValve-ClF3Neriki气动膜阀（隔膜在阀座上）–ClF3Actuatorgasport制动器气口ShippingLock阀锁ManualOverrideport手动超驰口(采用手控方式来消除自动控制作用)abcSolkatronicChlorosilanesTBVValveSolkatronic氯硅烷TBV阀门Weldedstainlesssteel焊接不锈钢HastelloyBallandStem耐盐酸镍基合金阀球和阀杆TeflonStemandBodySeals特氟纶阀杆和阀体密封abcWhiteAmmoniaYValve白氨Y瓶阀abcWhiteAmmoniaYValve白氨Y瓶阀abcStandardOutletConnections-Whatisthepurpose?标准出口接头–目的何在？Topreventconnectionofcylinderstosystemscontainingnon-compatiblecomponentsorwithinadequatep