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您現在的位置:首頁 > 產品中心 > > 德國REXROTH力士樂 > 力士樂電磁閥4WE6VB6X德國原廠供應
 
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力士樂電磁閥4WE6VB6X德國原廠供應
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力士樂電磁閥4WE6VB6X德國原廠供應
電磁閥是由電磁線圈和磁芯組成,是包含一個或幾個孔的閥體。當線圈通電或斷電時,磁芯的運轉將導致流體通過閥體或被切斷,以達到改變流體方向的目的。電磁閥的電磁部件由固定鐵芯、動鐵芯、線圈等部件組成;閥體部分由滑閥芯、滑閥套、彈簧底座等組成。
  力士樂電磁閥(fa)4WE6VB6X德國原廠供應的詳細資料:

德國REXROTH電磁閥4WE6G6X/EW220N9K4

1、電磁閥(fa)從原理上分為三大類:

直動式電磁閥(fa)

    原理(li):通電(dian)時(shi),電(dian)磁(ci)線(xian)圈(quan)產生電(dian)磁(ci)力(li)(li)把關(guan)(guan)閉件從閥(fa)(fa)座上提(ti)起,閥(fa)(fa)門打開(kai);斷(duan)電(dian)時(shi),電(dian)磁(ci)力(li)(li)消(xiao)失,彈簧把關(guan)(guan)閉件壓在閥(fa)(fa)座上,閥(fa)(fa)門關(guan)(guan)閉。

    特點:在真(zhen)空、負壓(ya)、零壓(ya)時能正常工作,但通徑一般不超過25mm。

分(fen)步(bu)直(zhi)動式電磁(ci)閥

    原理:它是(shi)一種直(zhi)動(dong)和(he)先導(dao)式相結合的(de)原理,當入口(kou)(kou)與出(chu)口(kou)(kou)沒有壓(ya)(ya)差(cha)(cha)時(shi),通電(dian)(dian)后,電(dian)(dian)磁力直(zhi)接把先導(dao)小閥(fa)(fa)和(he)主(zhu)閥(fa)(fa)關閉(bi)件依次向(xiang)上(shang)提起,閥(fa)(fa)門(men)打(da)開。當入口(kou)(kou)與出(chu)口(kou)(kou)達(da)到啟動(dong)壓(ya)(ya)差(cha)(cha)時(shi),通電(dian)(dian)后,電(dian)(dian)磁力先導(dao)小閥(fa)(fa),主(zhu)閥(fa)(fa)下(xia)腔(qiang)壓(ya)(ya)力上(shang)升,上(shang)腔(qiang)壓(ya)(ya)力下(xia)降,從而利(li)(li)用壓(ya)(ya)差(cha)(cha)把主(zhu)閥(fa)(fa)向(xiang)上(shang)推(tui)開;斷電(dian)(dian)時(shi),先導(dao)閥(fa)(fa)利(li)(li)用彈簧力或介質壓(ya)(ya)力推(tui)動(dong)關閉(bi)件,向(xiang)下(xia)移(yi)動(dong),使閥(fa)(fa)門(men)關閉(bi)。

    特點:在零壓(ya)差或(huo)真空、高壓(ya)時亦能可*動作(zuo),但功率較大(da),要(yao)求(qiu)必須(xu)水(shui)平(ping)安裝(zhuang)。

先導式電(dian)磁閥

    原理:通電(dian)時(shi),電(dian)磁力(li)(li)把先導孔打開(kai),上腔室(shi)壓(ya)力(li)(li)迅速下降(jiang),在關(guan) 閉(bi)件(jian)周(zhou)圍形(xing)成上低下高的(de)壓(ya)差(cha),流體(ti)壓(ya)力(li)(li)推動(dong)(dong)關(guan)閉(bi)件(jian)向(xiang)上移(yi)動(dong)(dong),閥(fa)門(men)打開(kai);斷電(dian)時(shi),彈簧力(li)(li)把先導孔關(guan)閉(bi),入口壓(ya)力(li)(li)通過旁通孔迅速腔室(shi)在關(guan)閥(fa)件(jian)周(zhou)圍形(xing)成下低上高的(de)壓(ya)差(cha),流體(ti)壓(ya)力(li)(li)推動(dong)(dong)關(guan)閉(bi)件(jian)向(xiang)下移(yi)動(dong)(dong),關(guan)閉(bi)閥(fa)門(men)。

特點(dian):

1、流體(ti)壓力(li)范圍上限較高,可任意(yi)安裝(zhuang)(需定(ding)制)但必須滿足流體(ti)壓差條(tiao)件(jian)。

    2、電磁閥從閥結(jie)(jie)(jie)構(gou)(gou)和(he)材料上的(de)不(bu)同與原理上的(de)區別,分為六(liu)個分支小類(lei):直(zhi)動膜(mo)片(pian)結(jie)(jie)(jie)構(gou)(gou)、分步(bu)直(zhi)動膜(mo)片(pian)結(jie)(jie)(jie)構(gou)(gou)、先(xian)導(dao)膜(mo)片(pian)結(jie)(jie)(jie)構(gou)(gou)、直(zhi)動活塞(sai)結(jie)(jie)(jie)構(gou)(gou)、分步(bu)直(zhi)動活塞(sai)結(jie)(jie)(jie)構(gou)(gou)、先(xian)導(dao)活塞(sai)結(jie)(jie)(jie)構(gou)(gou)。

    3、電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)按(an)照功能(neng)分類:水用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)、蒸汽電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)、制冷電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)、低溫電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)、燃氣(qi)電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)、消(xiao)防(fang)電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)、氨(an)用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)、氣(qi)體電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)、液體電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)、微型電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)、脈沖電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)、液壓電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa) 常開電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)、油(you)用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)、直流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)、高壓電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)、防(fang)爆(bao)電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)等。

選型注意

    電磁(ci)閥選型首先應該依次(ci)遵循安全性(xing),可靠性(xing),適用(yong)性(xing),經濟性(xing)四(si)大原 則,其次(ci)是根據六個方面的現場工況(即管道參(can)(can)(can)數(shu)(shu)、流體(ti)參(can)(can)(can)數(shu)(shu)、壓(ya)力參(can)(can)(can)數(shu)(shu)、電氣參(can)(can)(can)數(shu)(shu)、動作方式、特(te)殊要求進行選擇)。

選型(xing)依據:

    1、根據管道參數選擇(ze)電磁閥(fa)的:通徑規格(即DN)、接口方式

    1)按照(zhao)現場管道(dao)內徑尺(chi)寸或流(liu)量要求來確定通徑(DN)尺(chi)寸;

    2)接(jie)(jie)口方式,一(yi)般>DN50要(yao)選擇(ze)法蘭接(jie)(jie)口,≤DN50則(ze)可(ke)根據用戶需(xu)要(yao)自(zi)由選擇(ze)。

    2、根據(ju)流體參(can)數選擇電(dian)磁閥的:材質、溫度(du)組

    1)腐蝕(shi)性流體:宜選(xuan)用耐腐蝕(shi)電(dian)磁(ci)閥和全(quan)不(bu)(bu)銹(xiu)鋼;食(shi)用超凈流體:宜選(xuan)用食(shi)品級不(bu)(bu)銹(xiu)鋼材質電(dian)磁(ci)閥;

    2)高(gao)溫(wen)流(liu)體:要(yao)選(xuan)擇采用耐高(gao)溫(wen)的(de)電(dian)工材(cai)料和(he)密封材(cai)料制造(zao)的(de)電(dian)磁閥(fa),而且(qie)要(yao)選(xuan)擇活塞式結構類型(xing)的(de);

    3)流體狀(zhuang)態(tai):大(da)至有氣態(tai),液(ye)態(tai)或混合狀(zhuang)態(tai),特別是(shi)口徑大(da)于DN25時一定要區分開來(lai);

    ;4)流體粘度:通常在(zai)50cSt以下可任意選擇,若超過(guo)此值(zhi),則要選用高粘度電磁(ci)閥。

    3、根據壓(ya)力參數選(xuan)擇電(dian)磁(ci)閥的:原理(li)和結構品(pin)種

    1)公稱壓力(li):這個參(can)數與(yu)其它通用閥門的含義是一樣的,是根據管(guan)道公稱壓力(li)來定;

    2)工(gong)作(zuo)壓(ya)力:如果工(gong)作(zuo)壓(ya)力低則(ze)必須選(xuan)用直(zhi)動(dong)(dong)或(huo)分步(bu)直(zhi)動(dong)(dong)式(shi)原理;zui低工(gong)作(zuo)壓(ya)差在0.04Mpa以上時直(zhi)動(dong)(dong)式(shi)、分步(bu)直(zhi)動(dong)(dong)式(shi)、先導式(shi)均可(ke)選(xuan)用。

    4、電氣選擇:電壓規格應盡量優先選用AC220V、DC24較(jiao)為方便。

    5、根據持(chi)續(xu)工作時間長短(duan)來(lai)選(xuan)擇:常閉、常開、或可持(chi)續(xu)通電

    1)當電(dian)磁閥需要長時間開(kai)啟,并且持續的時間多于關閉的時間應選 用常(chang)開(kai)型(xing);

    2)要是(shi)開(kai)(kai)啟的(de)時間短或開(kai)(kai)和關的(de)時間不多時,則(ze)選常(chang)閉型;

    3)但是有些(xie)用于安全(quan)保(bao)護的(de)(de)工況,如爐(lu)、窯(yao)火(huo)焰監(jian)測(ce),則不能選常開的(de)(de),應選可長期通電型。

    6、根據環境要求選(xuan)擇輔助功能(neng):防爆、止回、手動、防水(shui)霧、水(shui)淋、潛(qian)水(shui)。

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