電(dian)(dian)(dian)(dian)動(dong)(dong)閥(fa)(fa)門(men)(men)(men)(men)簡單地說就是(shi)用(yong)電(dian)(dian)(dian)(dian)動(dong)(dong)執行(xing)(xing)器。操(cao)控(kong)閥(fa)(fa)門(men)(men)(men)(men)，從而(er)完(wan)成閥(fa)(fa)門(men)(men)(men)(men)的(de)(de)(de)開(kai)和關(guan)。其(qi)(qi)可(ke)分(fen)(fen)為上下兩部(bu)(bu)分(fen)(fen)，上半部(bu)(bu)分(fen)(fen)為電(dian)(dian)(dian)(dian)動(dong)(dong)執行(xing)(xing)器，下半部(bu)(bu)分(fen)(fen)為閥(fa)(fa)門(men)(men)(men)(men)。電(dian)(dian)(dian)(dian)動(dong)(dong)閥(fa)(fa)門(men)(men)(men)(men)在(zai)設(she)備前宜進行(xing)(xing)模仿動(dong)(dong)作(zuo)和壓力(li)實(shi)驗。電(dian)(dian)(dian)(dian)動(dong)(dong)閥(fa)(fa)門(men)(men)(men)(men)動(dong)(dong)作(zuo)力(li)距(ju)比一般閥(fa)(fa)門(men)(men)(men)(men)大，電(dian)(dian)(dian)(dian)動(dong)(dong)閥(fa)(fa)門(men)(men)(men)(men)開(kai)關(guan)動(dong)(dong)作(zuo)速度可(ke)以調整(zheng)，結構簡單，易(yi)保護，可(ke)用(yong)于操(cao)控(kong)空(kong)氣、水、蒸汽(qi)、各(ge)種腐蝕性介質、泥漿、油品、液態金屬和放(fang)射性介質等(deng)各(ge)種類(lei)型流體的(de)(de)(de)流動(dong)(dong)。而(er)傳(chuan)統(tong)的(de)(de)(de)氣動(dong)(dong)閥(fa)(fa)門(men)(men)(men)(men)動(dong)(dong)作(zuo)過(guo)程中因氣體本身(shen)的(de)(de)(de)緩(huan)沖特性，不(bu)易(yi)因卡住而(er)損(sun)壞，但有必要有氣源，且其(qi)(qi)操(cao)控(kong)體系(xi)也(ye)比電(dian)(dian)(dian)(dian)動(dong)(dong)閥(fa)(fa)門(men)(men)(men)(men)復雜。 本類(lei)閥(fa)(fa)門(men)(men)(men)(men)在(zai)管道中一般應(ying)當水平設(she)備。

　　長處：對液體介質(zhi)和大管徑氣(qi)體效果好(hao)，不受(shou)氣(qi)候影(ying)響。不受(shou)空(kong)壓氣(qi)的壓力影(ying)響。

　　缺陷：成本高(gao)、在濕(shi)潤環境不(bu)好。

電動閥門的工作原理

　　電(dian)(dian)動閥門(men)一般由電(dian)(dian)動執行機構和(he)閥門(men)組成。電(dian)(dian)動閥門(men)運用電(dian)(dian)能作為動力來(lai)經(jing)過電(dian)(dian)動執行機構來(lai)驅動閥門(men)，完成閥門(men)的(de)開關(guan)動作。從(cong)而到達對管道介質的(de)開關(guan)目的(de)。

　　電磁閥是(shi)電動(dong)閥門的一個(ge)種類;是(shi)利用電磁線圈發(fa)生的磁場來拉動(dong)閥芯，從而改變閥體的通斷，線圈斷電，閥芯就(jiu)依托彈(dan)簧(huang)的壓力退回(hui)。