電動閥是以電動機作為啟閉閥門的動力，用于比較大型的閥門，高級的電動閥，可以用于工藝上的流量控制。電動閥具備裝配容易、故障率低以及符合業界自動化需求的優點，是業者較劃算的選擇。因為使用一般傳統氣動閥，免不了要有配管、電磁閥及壓縮機等才能匹配，而電動閥是以馬達驅動，安裝簡易省事，且電動閥安裝配合工廠原有的自控線路即可，可節省其他成本支出。此外，以馬達驅動方式開閉較平順，無瞬間沖力過大的缺點，故障率可大幅降低,不少人都認為電動閥貴，使用成本高，其實不然，如果以整體計算，傳統閥要加上許多配件及管路安裝，價格并未占優勢，反而要承擔較多的保養費.所以電動閥的前景是比較廣闊的。

Electricvalvesopenandclosevalvesontheelectricmotorsasadrivingforceforthelargervalves,electricvalves,theprocessescanbeusedtocontroltheflow.Electricvalvesfittedwitheasy,lowfailurerateintheindustryandtheadvantagesofautomationneedsismoreeconomicalchoiceoperators.Becauseoftheuseofgeneraltraditionalpneumaticvalves,inevitablyaticketpipes,andelectromagneticvalves,compressorscanmatch,andelectricaldevicesaremotor-driven,easytoinstall,andtheinstallationofelectricaldeviceswiththeoriginalroboticfactorylinewillbeabletoreduceothercosts.Inadditiontomotor-drivenapproachtoturnmoresmoothly,withoutanexcessivemomentumshortcomings,failurescanbesubstantiallyreducedrate,manypeoplebelievethatyourelectricvalves,theuseofhighcost,butinfactitisnot,ifaholisticbasis,andmanyaccessoriestotraditionalvalvesandtheinstallationofpipelines,thepriceisnotdominant,Instead,theywillassumemoremaintenance.Therefore,theprospectsforelectricaldevicesarerelativelybroad.