进口多级泵/Multistagepump/德国巴赫进口多级泵（欢迎选购）产品概述：泵系卧式单吸多级分段式离心泵，采用了***推荐使用的***节能产品的水力模型。具有效率高、性能范围广、运转安全和平稳、噪音低、寿命长、安装维修方便等优点。可供输送不含固体颗粒（磨料）、不含悬浮物的清水或物理化学性质类似于清水的其它液体之用。也可通过改变泵的材质（或泵过流部分的材质）、密封形式和增加冷却系统用于输送热水、油类、腐蚀性或耐磨性介质等。Thepumpisahorizontalsingle-suctionmulti-stagesegmentedcentrifugalpump.Thehydraulicmodelofenergy-s***ingproductsrecommendedbythestateisadopted.Theutilitymodelhastheadvantagesofhighefficiency,wideperformancerange,safeandstableoperation,lownoise,longservicelife,convenientinstallationandmaintenance,etc.Itcanbeusedfortransportingclearwaterwithoutsolidparticles(abrasives),suspendedmatterorotherliquidswithphysicalandchemicalpropertiessimilartoclearwater.Itcanalsobeusedtotransporthotwater,oil,corrosiveorwear-resistantmediabychangingthematerialofthepump(orthematerialoftheflowpassagepartofthepump),sealingformandincreasingthecoolingsystem.进口多级泵（欢迎选购）结构说明：泵系卧式、单吸、分段式多级离心泵。泵的吸入口为水平方向，吐出口为垂直向上；泵的吐出口和吸入口（仅吸入口为水平方向）均垂直向上。用拉紧螺栓将泵的吸入段、中段、吐出段、轴承体等泵壳体部分联结成一体。根据泵的扬程选择泵的级数。该系列泵转子部分主要由轴及安装在轴上的叶轮、轴套、平衡盘等零件组成，其中叶轮的数量根据泵的级数而定。轴上零件用平键和轴螺母紧固使之与轴成为一体。整个转子由两端滚动轴承或滑动轴承支承。轴承按型号不同而定，均不承受轴向力，其轴向力由平衡盘平衡。泵在运行中允许转子在泵壳中轴向游动，不能采用向心球轴承。滚动轴承用油脂润滑，滑动轴承用稀油润滑，并用油环进行自润滑，循环水冷却。泵的吸入段、中段、吐出段之间的密封面均采用二硫化钼润滑脂密封，转子部分与固定部分之间装有密封环、导叶套等进行密封，当密封环和导叶套的磨损程度已影响泵的工作性能时应予更换。轴的密封形式有机械密封和填料密封两种。泵大多采用填料密封，泵一般采用机械密封。泵采用填料密封时，填料环的位置安放要正确，填料的松紧程度必须适当，以液体能一滴一滴渗出为宜。泵各种密封元件装在密封箱内，箱内要通入一定压力的水，起水封、水冷或水润滑作用。在轴封处装有可更换的轴套，保护泵轴。该系列泵通过弹性联轴器由原动机直接驱动。Thepumpisahorizontal,single-suction,sectionalmulti-stagecentrifugalpump.Thesuctioninletofthepumpishorizontalandtheexhaustoutletisverticalupward;theexhaustoutletandthesuctionoutletofthepump(onlytheinhalationoutletishorizontal)areverticalupward.Thesuctionsection,themiddlesection,theexhaustsectionandthebearingbodyofthepumparejoinedtogetherbythetensionbolt.Choosethepumpseriesaccordingtothepumphead.Therotorpartofthisseriesofpumpsismainlycomposedofshaftandimpeller,sleeveandbalancingdiskmountedontheshaft.Thenumberofimpellersdependsonthenumberofstagesofthepump.Shaftpartsarefastenedwithflatkeysandshaftnutstointegratewiththeshaft.Thewholerotorissupportedbyrollingbearingsorslidingbearingsatbothends.Bearingsarenotsubjecttoaxialforce,whichisbalancedbybalancingdisc,dependingonthetypeofbearing.Intheoperationofthepump,therotorisallowedtomoveaxiallyinthepumphousing,andthecentripetalballbearingcannotbeused.Rollingbearingsarelubricatedwithgrease,slidingbearingsarelubricatedwiththinoil,andoilringsareusedforself-lubricationandcirculatingwatercooling.Molybdenumdisulfidegreaseisusedtosealthesealingsurfacebetweenthesuctionsection,themiddlesectionandtheexhaustsectionofthepump.Sealingringsandguidevanesleevesareinstalledbetweentherotorandthefixedparttoseal.Whentheweardegreeofthesealingringsandguidevanesleeveshasaffectedtheworkingperformanceofthepump,theyshouldbereplaced.Therearetwokindsofsealingformsofshaft:mechanicalsealandpackingseal.Mostofthepumpsaresealedwithfillers,andthepumpsaregenerallysealedwithmechanicalseals.Whenthepumpissealedwithpacking,thepositionofpackingringshouldbeplacedcorrectly,thetightnessofpackingmustbeappropriate,anditisappropriateforliquidtoseepoutdropbydrop.Varioussealingelementsofthepumparepackedinthesealedbox,whichshouldbefilledwithwaterundercertainpressuretoactaswaterseal,watercoolingorwaterlubrication.Areplaceablesleeveisinstalledattheshaftsealtoprotectthepumpshaft.Theseriesofpumpsaredirectlydrivenbytheprimemoverthroughanelasticcoupling.)