電(dian)磁(ci)閥(fa)(fa)(fa)之所(suo)以歸(gui)劃于自動(dong)(dong)化儀(yi)表行業中的(de)(de)(de)執行器部分，雖外表與其他-些手(shou)動(dong)(dong)閥(fa)(fa)(fa)相似，甚z略顯粗糙,但內部結(jie)構(gou)卻十分精細，與一(yi)般手(shou)動(dong)(dong)閥(fa)(fa)(fa)門有著(zhu)本質(zhi)的(de)(de)(de)區別(bie)。打個簡(jian)單的(de)(de)(de)比喻來說,普通手(shou)動(dong)(dong)閥(fa)(fa)(fa)的(de)(de)(de)開關(guan) 靠(kao)人(ren)工(gong)(gong)用力的(de)(de)(de)小來操(cao)作，而(er)(er)電(dian)磁(ci)閥(fa)(fa)(fa)則(ze)(ze) 靠(kao)自身(shen)的(de)(de)(de)功能達到(dao)控制目的(de)(de)(de)，而(er)(er)非人(ren)力所(suo)為再者電(dian)磁(ci)閥(fa)(fa)(fa)區別(bie)于其他閥(fa)(fa)(fa)門的(de)(de)(de)是因為內部結(jie)構(gou)不同(tong)(tong)，所(suo)以不同(tong)(tong)的(de)(de)(de)工(gong)(gong)作介質(zhi)不能通用一(yi)種閥(fa)(fa)(fa)門，一(yi)旦確定(ding)介質(zhi)種類而(er)(er)選定(ding)的(de)(de)(de)產品則(ze)(ze)不能與不同(tong)(tong)介質(zhi)混(hun)用，否則(ze)(ze)會導(dao)致(zhi)電(dian)磁(ci)閥(fa)(fa)(fa)失(shi)靈或損壞。

電(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)從(cong)原(yuan)理(li)上(shang)分為三類： 1）直動(dong)(dong)(dong)式電(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)：原(yuan)理(li)：通(tong)電(dian)(dian)(dian)(dian)(dian)時(shi)，電(dian)(dian)(dian)(dian)(dian)磁(ci)線圈產生電(dian)(dian)(dian)(dian)(dian)磁(ci)力(li)(li)把(ba)(ba)關(guan)(guan)閉件(jian)(jian)(jian)(jian)從(cong)閥(fa)座(zuo)上(shang)提起，閥(fa)門(men)(men)打(da)(da)開(kai)；斷(duan)電(dian)(dian)(dian)(dian)(dian)時(shi)，電(dian)(dian)(dian)(dian)(dian)磁(ci)力(li)(li)消失，彈簧(huang)把(ba)(ba)關(guan)(guan)閉件(jian)(jian)(jian)(jian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)在閥(fa)座(zuo)上(shang)，閥(fa)門(men)(men)關(guan)(guan)閉。特(te)點(dian)：在真(zhen)空(kong)、負(fu)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)、零壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)時(shi)能正常工(gong)作，但通(tong)徑一般不過25mm。 2）分步(bu)直動(dong)(dong)(dong)式電(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)：原(yuan)理(li)：它是一種直動(dong)(dong)(dong)和先(xian)導(dao)式相結合的(de)原(yuan)理(li)，當入口(kou)(kou)(kou)與出(chu)口(kou)(kou)(kou)沒有壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)時(shi)，通(tong)電(dian)(dian)(dian)(dian)(dian)后(hou)，電(dian)(dian)(dian)(dian)(dian)磁(ci)力(li)(li)直接把(ba)(ba)先(xian)導(dao)小(xiao)閥(fa)和主(zhu)閥(fa)關(guan)(guan)閉件(jian)(jian)(jian)(jian)依次(ci)向上(shang)提起，閥(fa)門(men)(men)打(da)(da)開(kai)。當入口(kou)(kou)(kou)與出(chu)口(kou)(kou)(kou)達到啟(qi)動(dong)(dong)(dong)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)時(shi)，通(tong)電(dian)(dian)(dian)(dian)(dian)后(hou)，電(dian)(dian)(dian)(dian)(dian)磁(ci)力(li)(li)先(xian)導(dao)小(xiao)閥(fa)，主(zhu)閥(fa)下腔(qiang)(qiang)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)上(shang)升，上(shang)腔(qiang)(qiang)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)下降(jiang)，從(cong)而利(li)用壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)把(ba)(ba)主(zhu)閥(fa)向上(shang)推(tui)開(kai)；斷(duan)電(dian)(dian)(dian)(dian)(dian)時(shi)，先(xian)導(dao)閥(fa)利(li)用彈簧(huang)力(li)(li)或介質壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)推(tui)動(dong)(dong)(dong)關(guan)(guan)閉件(jian)(jian)(jian)(jian)，向下移動(dong)(dong)(dong)，使閥(fa)門(men)(men)關(guan)(guan)閉。特(te)點(dian)：在零壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)或真(zhen)空(kong)、高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)時(shi)亦能可*動(dong)(dong)(dong)作，但功(gong)率較(jiao)，要求bx水(shui)平安裝。 3）先(xian)導(dao)式電(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)：原(yuan)理(li)：通(tong)電(dian)(dian)(dian)(dian)(dian)時(shi)，電(dian)(dian)(dian)(dian)(dian)磁(ci)力(li)(li)把(ba)(ba)先(xian)導(dao)孔(kong)打(da)(da)開(kai)，上(shang)腔(qiang)(qiang)室壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)迅速下降(jiang)，在關(guan)(guan) 閉件(jian)(jian)(jian)(jian)周圍(wei)形成上(shang)低下高(gao)(gao)(gao)的(de)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)，流(liu)體(ti)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)推(tui)動(dong)(dong)(dong)關(guan)(guan)閉件(jian)(jian)(jian)(jian)向上(shang)移動(dong)(dong)(dong)，閥(fa)門(men)(men)打(da)(da)開(kai)；斷(duan)電(dian)(dian)(dian)(dian)(dian)時(shi)，彈簧(huang)力(li)(li)把(ba)(ba)先(xian)導(dao)孔(kong)關(guan)(guan)閉，入口(kou)(kou)(kou)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)通(tong)過旁通(tong)孔(kong)迅速腔(qiang)(qiang)室在關(guan)(guan)閥(fa)件(jian)(jian)(jian)(jian)周圍(wei)形成下低上(shang)高(gao)(gao)(gao)的(de)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)，流(liu)體(ti)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)推(tui)動(dong)(dong)(dong)關(guan)(guan)閉件(jian)(jian)(jian)(jian)向下移動(dong)(dong)(dong)，關(guan)(guan)閉閥(fa)門(men)(men)。 特(te)點(dian)：流(liu)體(ti)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)范(fan)圍(wei)上(shang)限較(jiao)高(gao)(gao)(gao)，可任意(yi)安裝（需定(ding)制）但bx達到流(liu)體(ti)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)條(tiao)件(jian)(jian)(jian)(jian)。   

(各個字母的意思）
    4:有4個外接油口，4通
    WE：帶濕式交流電磁鐵的液壓換向閥
    10：油口通徑10mm
    G：閥芯中位機能 M型（閥芯中位時液壓泵卸荷，即P T口通，A B口鎖閉）
    31：安裝尺寸固定。
    C：濕式電磁鐵線圈可拆
    W220R:交流電壓220V,自整流
    N:有手動應急操作，帶保護套
    Z5L：其他細節說明                         

4WE6D62/EW110N9K4
4WE6D62/EG110N9K4/B10
4WE6D62/EG110N9K4/B08
4WE6D62/OFEG110N9K4
4WE6D62/OFEG220N9K4
4WE6D62/OFEW110N9K4
4WE6J62/EG110N9K4
4WE6J62/EG110N9K4/V
4WE6J62/EG220N9K4
4WE6J62/EG220N9K4/V
4WE6J62/EW110N9K4
4WE6J62/EG110N9K4/B10
4WE6J62/EG110N9K4/B08
4WE6J62/OFEG110N9K4
4WE6J62/OFEG220N9K4
4WE6J62/OFEW110N9K4
4WE6D62/EG24K4QMBG24
4WE6D6X/SG24N9K4/V

4WE10D33/CG110N9K4
4WE10D33/CG110N9K4/V
4WE10D33/CG220N9K4
4WE10D33/CG220N9K4/V
4WE10D33/CW110N9K4
4WE10D33/CW110N9K4/B10
4WE10D33/CW110N9K4/B08
4WE10D33/OFCG110N9K4
4WE10D33/OFCG220N9K4
4WE10D33/OFCW110N9K4
4WE10J33/CG110N9K4
4WE10J33/CG110N9K4/V
4WE10J33/CG220N9K4
4WE10J33/CG220N9K4/V
4WE10J33/CW110N9K4
4WE10J33/CG110N9K4/B10
4WE10J33/CG110N9K4/B08
4WE10J33/OFCG110N9K4
4WE10J33/OFCG220N9K4
4WE10J33/OFCW110N9K4