FESTO球閥的主要特點,德國FESTO球閥

FESTO球(qiu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)主(zhu)(zhu)要(yao)特點(dian)(dian)（1）外漏(lou)(lou)堵絕，內(nei)漏(lou)(lou)易(yi)控(kong)(kong)(kong)(kong)，使用(yong)(yong)(yong)(yong)(yong)安(an)(an)全(quan)。內(nei)外泄(xie)漏(lou)(lou)是(shi)(shi)危及安(an)(an)全(quan)的(de)(de)(de)(de)要(yao)素(su)。其(qi)(qi)它自(zi)(zi)控(kong)(kong)(kong)(kong)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)常(chang)將閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)伸(shen)出(chu)(chu)，由(you)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)、氣動(dong)(dong)(dong)(dong)(dong)、液動(dong)(dong)(dong)(dong)(dong)執(zhi)(zhi)行機(ji)(ji)(ji)構(gou)(gou)(gou)控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)芯(xin)的(de)(de)(de)(de)轉動(dong)(dong)(dong)(dong)(dong)或(huo)移動(dong)(dong)(dong)(dong)(dong)。這都要(yao)解決長期動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)動(dong)(dong)(dong)(dong)(dong)密(mi)封(feng)的(de)(de)(de)(de)外泄(xie)漏(lou)(lou)難題；唯(wei)有(you)(you)(you)(you)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)是(shi)(shi)用(yong)(yong)(yong)(yong)(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)力(li)(li)(li)(li)作(zuo)(zuo)用(yong)(yong)(yong)(yong)(yong)于(yu)(yu)(yu)密(mi)封(feng)在(zai)(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)調(diao)節(jie)(jie)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)隔磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)套管內(nei)的(de)(de)(de)(de)鐵(tie)(tie)(tie)芯(xin)完成(cheng)(cheng)(cheng)(cheng)，不(bu)(bu)(bu)(bu)(bu)(bu)存在(zai)(zai)動(dong)(dong)(dong)(dong)(dong)密(mi)封(feng)，所(suo)(suo)以(yi)外漏(lou)(lou)易(yi)堵絕。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)力(li)(li)(li)(li)矩(ju)控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)不(bu)(bu)(bu)(bu)(bu)(bu)易(yi)，容易(yi)產(chan)(chan)生內(nei)漏(lou)(lou)，甚(shen)至(zhi)拉(la)斷閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)頭部；電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)結(jie)(jie)(jie)(jie)(jie)構(gou)(gou)(gou)型式(shi)(shi)容易(yi)控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)內(nei)泄(xie)漏(lou)(lou)，直(zhi)(zhi)(zhi)(zhi)(zhi)至(zhi)降(jiang)為零。所(suo)(suo)以(yi)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)使用(yong)(yong)(yong)(yong)(yong)特別(bie)(bie)安(an)(an)全(quan)，尤其(qi)(qi)適(shi)(shi)用(yong)(yong)(yong)(yong)(yong)于(yu)(yu)(yu)腐蝕性(xing)、有(you)(you)(you)(you)毒或(huo)高(gao)低(di)(di)溫的(de)(de)(de)(de)介(jie)(jie)質(zhi)(zhi)。（2）系統簡單，便接電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)腦，價(jia)(jia)格(ge)(ge)低(di)(di)謙。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)本(ben)身結(jie)(jie)(jie)(jie)(jie)構(gou)(gou)(gou)簡單，價(jia)(jia)格(ge)(ge)也低(di)(di)，比(bi)起調(diao)節(jie)(jie)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)等其(qi)(qi)它種(zhong)類(lei)(lei)執(zhi)(zhi)行器易(yi)于(yu)(yu)(yu)安(an)(an)裝(zhuang)維護。更(geng)顯著(zhu)的(de)(de)(de)(de)是(shi)(shi)所(suo)(suo)組成(cheng)(cheng)(cheng)(cheng)的(de)(de)(de)(de)自(zi)(zi)控(kong)(kong)(kong)(kong)系統簡單得多(duo)(duo)，價(jia)(jia)格(ge)(ge)要(yao)低(di)(di)得多(duo)(duo)。由(you)于(yu)(yu)(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)是(shi)(shi)開(kai)(kai)(kai)關(guan)(guan)(guan)信號(hao)控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)，與工(gong)(gong)控(kong)(kong)(kong)(kong)計算機(ji)(ji)(ji)連(lian)接十(shi)分方(fang)便。在(zai)(zai)當(dang)(dang)今(jin)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)腦普及，價(jia)(jia)格(ge)(ge)大幅(fu)下降(jiang)的(de)(de)(de)(de)時(shi)(shi)(shi)代，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)優(you)勢(shi)就(jiu)更(geng)加明顯。（3）動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)快遞(di)，功率微小(xiao)(xiao)，外形(xing)(xing)輕巧(qiao)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)響應(ying)時(shi)(shi)(shi)間(jian)可以(yi)短至(zhi)幾個毫(hao)秒，即使是(shi)(shi)先(xian)(xian)(xian)(xian)(xian)導(dao)式(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)也可以(yi)控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)在(zai)(zai)幾十(shi)毫(hao)秒內(nei)。由(you)于(yu)(yu)(yu)自(zi)(zi)成(cheng)(cheng)(cheng)(cheng)回(hui)路，比(bi)之其(qi)(qi)它自(zi)(zi)控(kong)(kong)(kong)(kong)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)反應(ying)更(geng)靈敏。設計得當(dang)(dang)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)線(xian)(xian)圈(quan)功率消耗(hao)很低(di)(di)，屬節(jie)(jie)能產(chan)(chan)品；還(huan)可做到只需觸發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)，自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)保持(chi)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)位(wei)，平時(shi)(shi)(shi)一(yi)點(dian)(dian)也不(bu)(bu)(bu)(bu)(bu)(bu)耗(hao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)外形(xing)(xing)尺(chi)寸小(xiao)(xiao)，既節(jie)(jie)省空(kong)間(jian)，又輕巧(qiao)美(mei)觀。（4）調(diao)節(jie)(jie)精(jing)度受(shou)(shou)限，適(shi)(shi)用(yong)(yong)(yong)(yong)(yong)介(jie)(jie)質(zhi)(zhi)受(shou)(shou)限。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)常(chang)只有(you)(you)(you)(you)開(kai)(kai)(kai)關(guan)(guan)(guan)兩(liang)種(zhong)狀態，閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)芯(xin)只能處于(yu)(yu)(yu)兩(liang)個極限位(wei)置，不(bu)(bu)(bu)(bu)(bu)(bu)能連(lian)續調(diao)節(jie)(jie)，（力(li)(li)(li)(li)圖突破的(de)(de)(de)(de)新構(gou)(gou)(gou)思(si)不(bu)(bu)(bu)(bu)(bu)(bu)少，但還(huan)都處于(yu)(yu)(yu)試驗試用(yong)(yong)(yong)(yong)(yong)階段）所(suo)(suo)以(yi)調(diao)節(jie)(jie)精(jing)度還(huan)受(shou)(shou)到一(yi)定(ding)(ding)限制(zhi)(zhi)(zhi)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)對介(jie)(jie)質(zhi)(zhi)潔凈(jing)度有(you)(you)(you)(you)較(jiao)高(gao)要(yao)求，含顆粒(li)狀的(de)(de)(de)(de)介(jie)(jie)質(zhi)(zhi)不(bu)(bu)(bu)(bu)(bu)(bu)能適(shi)(shi)用(yong)(yong)(yong)(yong)(yong)，如(ru)屬雜質(zhi)(zhi)須(xu)先(xian)(xian)(xian)(xian)(xian)濾去(qu)。另外，粘(zhan)稠(chou)狀介(jie)(jie)質(zhi)(zhi)不(bu)(bu)(bu)(bu)(bu)(bu)能適(shi)(shi)用(yong)(yong)(yong)(yong)(yong)，而(er)且，特定(ding)(ding)的(de)(de)(de)(de)產(chan)(chan)品適(shi)(shi)用(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)介(jie)(jie)質(zhi)(zhi)粘(zhan)度范(fan)圍(wei)(wei)(wei)(wei)相對較(jiao)窄。（5）型號(hao)多(duo)(duo)樣(yang)，用(yong)(yong)(yong)(yong)(yong)途(tu)廣(guang)泛。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)雖有(you)(you)(you)(you)先(xian)(xian)(xian)(xian)(xian)天(tian)不(bu)(bu)(bu)(bu)(bu)(bu)足(zu)(zu)，優(you)點(dian)(dian)仍十(shi)分突出(chu)(chu)，所(suo)(suo)以(yi)就(jiu)設計成(cheng)(cheng)(cheng)(cheng)多(duo)(duo)種(zhong)多(duo)(duo)樣(yang)的(de)(de)(de)(de)產(chan)(chan)品，滿(man)足(zu)(zu)各(ge)種(zhong)不(bu)(bu)(bu)(bu)(bu)(bu)同的(de)(de)(de)(de)需求，用(yong)(yong)(yong)(yong)(yong)途(tu)極為廣(guang)泛。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)技術(shu)的(de)(de)(de)(de)進步(bu)(bu)(bu)也都是(shi)(shi)圍(wei)(wei)(wei)(wei)繞著(zhu)如(ru)何(he)(he)克(ke)服先(xian)(xian)(xian)(xian)(xian)天(tian)不(bu)(bu)(bu)(bu)(bu)(bu)足(zu)(zu)，如(ru)何(he)(he)更(geng)好地(di)發(fa)(fa)揮(hui)固有(you)(you)(you)(you)優(you)勢(shi)而(er)展開(kai)(kai)(kai)。FESTO電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)是(shi)(shi)用(yong)(yong)(yong)(yong)(yong)來(lai)(lai)控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)流(liu)(liu)體(ti)(ti)(ti)(ti)方(fang)向(xiang)的(de)(de)(de)(de)自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)化基礎元件(jian)，屬于(yu)(yu)(yu)執(zhi)(zhi)行器；通(tong)(tong)(tong)(tong)(tong)(tong)(tong)常(chang)用(yong)(yong)(yong)(yong)(yong)于(yu)(yu)(yu)機(ji)(ji)(ji)械(xie)(xie)控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)和(he)工(gong)(gong)業(ye)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)上(shang)(shang)面，對介(jie)(jie)質(zhi)(zhi)方(fang)向(xiang)進行控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)，從而(er)達(da)到對閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)開(kai)(kai)(kai)關(guan)(guan)(guan)的(de)(de)(de)(de)控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)。工(gong)(gong)作(zuo)(zuo)原(yuan)(yuan)理電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)里有(you)(you)(you)(you)密(mi)閉(bi)(bi)的(de)(de)(de)(de)腔(qiang)，在(zai)(zai)不(bu)(bu)(bu)(bu)(bu)(bu)同位(wei)置開(kai)(kai)(kai)有(you)(you)(you)(you)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)孔(kong)，每個孔(kong)都通(tong)(tong)(tong)(tong)(tong)(tong)(tong)向(xiang)不(bu)(bu)(bu)(bu)(bu)(bu)同的(de)(de)(de)(de)油(you)(you)管，腔(qiang)中間(jian)是(shi)(shi)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)，兩(liang)面是(shi)(shi)兩(liang)塊(kuai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)鐵(tie)(tie)(tie)，哪面的(de)(de)(de)(de)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)鐵(tie)(tie)(tie)線(xian)(xian)圈(quan)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)(ti)(ti)就(jiu)會被(bei)吸(xi)引到哪邊，通(tong)(tong)(tong)(tong)(tong)(tong)(tong)過(guo)(guo)控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)(ti)(ti)的(de)(de)(de)(de)移動(dong)(dong)(dong)(dong)(dong)來(lai)(lai)擋住或(huo)漏(lou)(lou)出(chu)(chu)不(bu)(bu)(bu)(bu)(bu)(bu)同的(de)(de)(de)(de)排(pai)油(you)(you)的(de)(de)(de)(de)孔(kong)，而(er)進油(you)(you)孔(kong)是(shi)(shi)常(chang)開(kai)(kai)(kai)的(de)(de)(de)(de)，液壓(ya)(ya)(ya)(ya)(ya)(ya)油(you)(you)就(jiu)會進入不(bu)(bu)(bu)(bu)(bu)(bu)同的(de)(de)(de)(de)排(pai)油(you)(you)管，然后通(tong)(tong)(tong)(tong)(tong)(tong)(tong)過(guo)(guo)油(you)(you)的(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)來(lai)(lai)推動(dong)(dong)(dong)(dong)(dong)油(you)(you)缸(gang)的(de)(de)(de)(de)活(huo)塞(sai)(sai)，活(huo)塞(sai)(sai)又帶動(dong)(dong)(dong)(dong)(dong)活(huo)塞(sai)(sai)桿(gan)，活(huo)塞(sai)(sai)桿(gan)帶動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)械(xie)(xie)裝(zhuang)置動(dong)(dong)(dong)(dong)(dong)。這樣(yang)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)過(guo)(guo)控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)鐵(tie)(tie)(tie)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)斷就(jiu)控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)了機(ji)(ji)(ji)械(xie)(xie)運動(dong)(dong)(dong)(dong)(dong)。FESTO費斯托電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)從原(yuan)(yuan)理上(shang)(shang)分為三大類(lei)(lei)：1）直(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)式(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)：原(yuan)(yuan)理：通(tong)(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)(shi)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)線(xian)(xian)圈(quan)產(chan)(chan)生電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)力(li)(li)(li)(li)把(ba)關(guan)(guan)(guan)閉(bi)(bi)件(jian)從閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)座上(shang)(shang)提起，閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)打(da)(da)(da)開(kai)(kai)(kai)；斷電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)(shi)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)力(li)(li)(li)(li)消失(shi)，彈簧(huang)把(ba)關(guan)(guan)(guan)閉(bi)(bi)件(jian)壓(ya)(ya)(ya)(ya)(ya)(ya)在(zai)(zai)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)座上(shang)(shang)，閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)關(guan)(guan)(guan)閉(bi)(bi)。特點(dian)(dian)：在(zai)(zai)真空(kong)、負(fu)壓(ya)(ya)(ya)(ya)(ya)(ya)、零壓(ya)(ya)(ya)(ya)(ya)(ya)時(shi)(shi)(shi)能正常(chang)工(gong)(gong)作(zuo)(zuo)，但通(tong)(tong)(tong)(tong)(tong)(tong)(tong)徑一(yi)般不(bu)(bu)(bu)(bu)(bu)(bu)超過(guo)(guo)25mm。2）分步(bu)(bu)(bu)直(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)式(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)：原(yuan)(yuan)理：它是(shi)(shi)一(yi)種(zhong)直(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)和(he)先(xian)(xian)(xian)(xian)(xian)導(dao)式(shi)(shi)相結(jie)(jie)(jie)(jie)(jie)合的(de)(de)(de)(de)原(yuan)(yuan)理，當(dang)(dang)入口與出(chu)(chu)口沒有(you)(you)(you)(you)壓(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)時(shi)(shi)(shi)，通(tong)(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)后，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)力(li)(li)(li)(li)直(zhi)(zhi)(zhi)(zhi)(zhi)接把(ba)先(xian)(xian)(xian)(xian)(xian)導(dao)小(xiao)(xiao)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)和(he)主(zhu)(zhu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)關(guan)(guan)(guan)閉(bi)(bi)件(jian)依(yi)次向(xiang)上(shang)(shang)提起，閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)打(da)(da)(da)開(kai)(kai)(kai)。當(dang)(dang)入口與出(chu)(chu)口達(da)到啟動(dong)(dong)(dong)(dong)(dong)壓(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)時(shi)(shi)(shi)，通(tong)(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)后，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)力(li)(li)(li)(li)先(xian)(xian)(xian)(xian)(xian)導(dao)小(xiao)(xiao)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)，主(zhu)(zhu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)下腔(qiang)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)上(shang)(shang)升，上(shang)(shang)腔(qiang)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)下降(jiang)，從而(er)利用(yong)(yong)(yong)(yong)(yong)壓(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)把(ba)主(zhu)(zhu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)向(xiang)上(shang)(shang)推開(kai)(kai)(kai)；斷電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)(shi)，先(xian)(xian)(xian)(xian)(xian)導(dao)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)利用(yong)(yong)(yong)(yong)(yong)彈簧(huang)力(li)(li)(li)(li)或(huo)介(jie)(jie)質(zhi)(zhi)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)推動(dong)(dong)(dong)(dong)(dong)關(guan)(guan)(guan)閉(bi)(bi)件(jian)，向(xiang)下移動(dong)(dong)(dong)(dong)(dong)，使閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)關(guan)(guan)(guan)閉(bi)(bi)。特點(dian)(dian)：在(zai)(zai)零壓(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)或(huo)真空(kong)、高(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)時(shi)(shi)(shi)亦能可*動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)，但功率較(jiao)大，要(yao)求必須(xu)水平安(an)(an)裝(zhuang)。3）先(xian)(xian)(xian)(xian)(xian)導(dao)式(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)：原(yuan)(yuan)理：通(tong)(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)(shi)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)力(li)(li)(li)(li)把(ba)先(xian)(xian)(xian)(xian)(xian)導(dao)孔(kong)打(da)(da)(da)開(kai)(kai)(kai)，上(shang)(shang)腔(qiang)室壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)迅(xun)速下降(jiang)，在(zai)(zai)關(guan)(guan)(guan)閉(bi)(bi)件(jian)周圍(wei)(wei)(wei)(wei)形(xing)(xing)成(cheng)(cheng)(cheng)(cheng)上(shang)(shang)低(di)(di)下高(gao)的(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)，流(liu)(liu)體(ti)(ti)(ti)(ti)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)推動(dong)(dong)(dong)(dong)(dong)關(guan)(guan)(guan)閉(bi)(bi)件(jian)向(xiang)上(shang)(shang)移動(dong)(dong)(dong)(dong)(dong)，閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)打(da)(da)(da)開(kai)(kai)(kai)；斷電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)(shi)，彈簧(huang)力(li)(li)(li)(li)把(ba)先(xian)(xian)(xian)(xian)(xian)導(dao)孔(kong)關(guan)(guan)(guan)閉(bi)(bi)，入口壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)過(guo)(guo)旁(pang)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)孔(kong)迅(xun)速腔(qiang)室在(zai)(zai)關(guan)(guan)(guan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)件(jian)周圍(wei)(wei)(wei)(wei)形(xing)(xing)成(cheng)(cheng)(cheng)(cheng)下低(di)(di)上(shang)(shang)高(gao)的(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)，流(liu)(liu)體(ti)(ti)(ti)(ti)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)推動(dong)(dong)(dong)(dong)(dong)關(guan)(guan)(guan)閉(bi)(bi)件(jian)向(xiang)下移動(dong)(dong)(dong)(dong)(dong)，關(guan)(guan)(guan)閉(bi)(bi)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)。特點(dian)(dian)：流(liu)(liu)體(ti)(ti)(ti)(ti)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)范(fan)圍(wei)(wei)(wei)(wei)上(shang)(shang)限較(jiao)高(gao)，可任意安(an)(an)裝(zhuang)（需定(ding)(ding)制(zhi)(zhi)(zhi)）但必須(xu)滿(man)足(zu)(zu)流(liu)(liu)體(ti)(ti)(ti)(ti)壓(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)條件(jian)。2.電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)從閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)結(jie)(jie)(jie)(jie)(jie)構(gou)(gou)(gou)和(he)材料上(shang)(shang)的(de)(de)(de)(de)不(bu)(bu)(bu)(bu)(bu)(bu)同與原(yuan)(yuan)理上(shang)(shang)的(de)(de)(de)(de)區別(bie)(bie)，分為六個分支小(xiao)(xiao)類(lei)(lei)：直(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)膜(mo)片(pian)結(jie)(jie)(jie)(jie)(jie)構(gou)(gou)(gou)、分步(bu)(bu)(bu)直(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)膜(mo)片(pian)結(jie)(jie)(jie)(jie)(jie)構(gou)(gou)(gou)、先(xian)(xian)(xian)(xian)(xian)導(dao)膜(mo)片(pian)結(jie)(jie)(jie)(jie)(jie)構(gou)(gou)(gou)、直(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)活(huo)塞(sai)(sai)結(jie)(jie)(jie)(jie)(jie)構(gou)(gou)(gou)、分步(bu)(bu)(bu)直(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)活(huo)塞(sai)(sai)結(jie)(jie)(jie)(jie)(jie)構(gou)(gou)(gou)、先(xian)(xian)(xian)(xian)(xian)導(dao)活(huo)塞(sai)(sai)結(jie)(jie)(jie)(jie)(jie)構(gou)(gou)(gou)。

FESTO球閥的主要特點,德國FESTO球閥