正規貨源VICKERS威格士DG4V電磁換向閥VICKERS威格士DG4V電磁換向(xiang)閥的磁鐵線圈部件一(yi)般應(ying)(ying)豎直往上(shang)，豎直安裝(zhuang)在與(yu)路(lu)面(mian)水準的管路(lu)中(zhong)。假如(ru)因為(wei)室內(nei)空間(jian)限定或工作(zuo)中(zhong)標準務必并列安裝(zhuang)，則應(ying)(ying)在挑選和購買(mai)時明(ming)確提出。不然，電磁閥很(hen)有(you)可能(neng)沒法一(yi)切正常(chang)工作(zuo)。

VICKERS威格士DG4V電(dian)(dian)(dian)磁換向閥內部有一個密封(feng)性內腔(qiang)，在不一樣(yang)(yang)部位(wei)開有通孔，每(mei)一個孔通往不一樣(yang)(yang)的(de)(de)輸(shu)油(you)管，內腔(qiang)正(zheng)中間是閘閥，兩邊(bian)有兩個電(dian)(dian)(dian)磁閥。當磁鐵(tie)線(xian)圈插電(dian)(dian)(dian)時，閥會被吸到(dao)對(dui)應方向，根(gen)據操(cao)(cao)縱(zong)閥的(de)(de)運動來(lai)阻(zu)塞或泄(xie)露不一樣(yang)(yang)的(de)(de)排(pai)(pai)進油(you)口，而進油(you)口一直開啟的(de)(de)，因(yin)此齒輪油(you)會進到(dao)不一樣(yang)(yang)的(de)(de)排(pai)(pai)輸(shu)油(you)管。油(you)壓(ya)促進液(ye)壓(ya)缸(gang)活塞桿(gan)，液(ye)壓(ya)缸(gang)活塞桿(gan)又推(tui)動液(ye)壓(ya)缸(gang)，液(ye)壓(ya)缸(gang)推(tui)動機械設備(bei)(bei)。那樣(yang)(yang)，根(gen)據操(cao)(cao)縱(zong)電(dian)(dian)(dian)磁閥的(de)(de)電(dian)(dian)(dian)流量(liang)來(lai)操(cao)(cao)縱(zong)設備(bei)(bei)運行(xing)。

威格士的閥按(an)原理分三大類：

1、直動式電磁閥

原理(li)：通電(dian)時，電(dian)磁(ci)線(xian)圈產生(sheng)電(dian)磁(ci)力(li)把關閉(bi)(bi)件(jian)從閥(fa)(fa)(fa)座上提起，閥(fa)(fa)(fa)門打開；斷電(dian)時，電(dian)磁(ci)力(li)消失(shi)，彈簧把關閉(bi)(bi)件(jian)壓(ya)在閥(fa)(fa)(fa)座上，閥(fa)(fa)(fa)門關閉(bi)(bi)。

特點：在真空、負壓、零壓時(shi)能正常工作(zuo)，但(dan)通徑一般(ban)不超過25mm。

2、分步直動式

原(yuan)理：它是一種直動(dong)和先導(dao)式相(xiang)結合的(de)原(yuan)理，當(dang)入口與(yu)出(chu)口沒有壓(ya)差(cha)時(shi)(shi)，通(tong)電(dian)后，電(dian)磁(ci)力(li)直接把先導(dao)小(xiao)(xiao)閥(fa)(fa)(fa)(fa)和主(zhu)閥(fa)(fa)(fa)(fa)關(guan)閉(bi)(bi)件依(yi)次向(xiang)(xiang)上提起，閥(fa)(fa)(fa)(fa)門打開。當(dang)入口與(yu)出(chu)口達到(dao)啟動(dong)壓(ya)差(cha)時(shi)(shi)，通(tong)電(dian)后，電(dian)磁(ci)力(li)先導(dao)小(xiao)(xiao)閥(fa)(fa)(fa)(fa)，主(zhu)閥(fa)(fa)(fa)(fa)下(xia)(xia)腔(qiang)壓(ya)力(li)上升，上腔(qiang)壓(ya)力(li)下(xia)(xia)降，從而利用(yong)壓(ya)差(cha)把主(zhu)閥(fa)(fa)(fa)(fa)向(xiang)(xiang)上推(tui)開；斷電(dian)時(shi)(shi)，先導(dao)閥(fa)(fa)(fa)(fa)利用(yong)彈簧力(li)或(huo)介質(zhi)壓(ya)力(li)推(tui)動(dong)關(guan)閉(bi)(bi)件，向(xiang)(xiang)下(xia)(xia)移動(dong)，使閥(fa)(fa)(fa)(fa)門關(guan)閉(bi)(bi)。

特(te)點(dian)：在零(ling)壓差或真空(kong)、高壓時亦(yi)能可*動作，但功(gong)率較大，要求(qiu)必須(xu)水平安裝。

3、先導式電磁閥

原理(li)：通(tong)電(dian)時(shi)，電(dian)磁力把(ba)先(xian)導孔打(da)開，上腔(qiang)室壓(ya)力迅(xun)速下降(jiang)，在(zai)關(guan)(guan) 閉件(jian)周圍形成上低(di)下高的壓(ya)差，流(liu)(liu)體壓(ya)力推動(dong)關(guan)(guan)閉件(jian)向上移(yi)動(dong)，閥(fa)門打(da)開；斷電(dian)時(shi)，彈簧力把(ba)先(xian)導孔關(guan)(guan)閉，入(ru)口壓(ya)力通(tong)過(guo)旁通(tong)孔迅(xun)速腔(qiang)室在(zai)關(guan)(guan)閥(fa)件(jian)周圍形成下低(di)上高的壓(ya)差，流(liu)(liu)體壓(ya)力推動(dong)關(guan)(guan)閉件(jian)向下移(yi)動(dong)，關(guan)(guan)閉閥(fa)門。

特點(dian)：流體(ti)壓(ya)力范圍(wei)上限較高，可任意安裝（需定制）但必須滿足流體(ti)壓(ya)差條(tiao)件。

2、電磁閥從閥結(jie)構(gou)(gou)(gou)(gou)和材料上(shang)的不同與原理(li)上(shang)的區別，分(fen)為六(liu)個(ge)分(fen)支小類：直(zhi)動(dong)膜(mo)片結(jie)構(gou)(gou)(gou)(gou)、分(fen)步直(zhi)動(dong)膜(mo)片結(jie)構(gou)(gou)(gou)(gou)、先(xian)導膜(mo)片結(jie)構(gou)(gou)(gou)(gou)、直(zhi)動(dong)活(huo)塞結(jie)構(gou)(gou)(gou)(gou)、分(fen)步直(zhi)動(dong)活(huo)塞結(jie)構(gou)(gou)(gou)(gou)、先(xian)導活(huo)塞結(jie)構(gou)(gou)(gou)(gou)。

3、電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)按(an)照功能(neng)分(fen)類(lei)：水用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)、蒸汽電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)、制冷電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)、低溫電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)、燃(ran)氣(qi)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)、消防電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)、氨用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)、氣(qi)體電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)、液(ye)體電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)、微(wei)型電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)、脈(mo)沖電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)、液(ye)壓(ya)(ya)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa) 常(chang)開電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)、油用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)、直流電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)、高(gao)壓(ya)(ya)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)、防爆電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)等。

參數選購如下：

材質： 鑄鐵

DG4V"--閥(fa)型式：

D = 方向控制閥

G = 底板安裝

4 = 電磁鐵控制

V = 額定壓力(350 bar)

"3"--接口：

3 = ISO 4401-03, CETOP 3 (NFPA D03)

"S"--閥性能：

S = 標準性能

空白 = 高性能

"*"--閥芯型式：

0 = 開式中位

2 = 閉式(shi)中(zhong)位（全部油口）

3 = P和B關閉(bi)，A至(zhi)T

6 = 閉式(shi)中位（僅P）

8 = 旁通中(zhong)位（過(guo)渡打開）

31 = P和(he)A關閉，B至(zhi)T

33 = 閉式中位(wei)（A和(he)B到T）

"*(L)"--閥(fa)芯/彈簧配(pei)置：

A = 彈(dan)簧偏置，單電磁鐵(tie)

AL = 彈簧(huang)偏(pian)置，單(dan)電磁鐵(tie)（左(zuo)手配置）

B = 彈簧對中，單電磁鐵

BL = 彈(dan)簧對中(zhong)，單(dan)電磁鐵(tie)（左手(shou)配置(zhi)）

C = 彈簧對中

"2"--柔和換向閥正規貨源VICKERS威格士DG4V電磁換向閥圖片如下：