壓力平衡式德國FESTO電磁閥

1概述

壓力平衡(heng)式電磁(ci)閥在常壓、低(di)壓及(ji)超(chao)低(di)壓的(de)(de)自動(dong)控制領域中得(de)到了廣泛應用。壓力平衡(heng)式電磁(ci)閥具有(you)雙向截(jie)止，密(mi)封性好，無外漏，響應時間短，閥門(men)啟(qi)閉無需考慮介質壓力等特點，可以(yi)有(you)效的(de)(de)滿足系統(tong)的(de)(de)設計要求。

德國費斯(si)托FESTO電磁(ci)閥圖(tu)

2壓力平(ping)衡式電磁閥(fa)的結(jie)構

壓(ya)力平衡式電(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)主要是利用(yong)閥(fa)(fa)體及閥(fa)(fa)內部件的特殊結(jie)構形式平衡工作介(jie)質的壓(ya)力，通過復位彈簧和線圈(quan)的電(dian)(dian)磁(ci)(ci)(ci)力，實現閥(fa)(fa)門的開啟和關閉(bi)。認為壓(ya)力平衡電(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)分為直動(dong)式雙座電(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)、直動(dong)式單(dan)座電(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)和直動(dong)軸(zhou)流式電(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)3 種。

2.1

直動式雙座電磁閥

直動式雙座電(dian)磁閥( 雙座壓力平衡式電(dian)磁閥)可實現(xian)零壓差開關閥和介質(zhi)的雙向(xiang)截止密(mi)封，可用(yong)于1. 33 × 10 -7 MPa 的真空系統(tong)、適用(yong)于粘度較高的介質(zhi)和加工成(cheng)大(da)口徑的電(dian)磁閥。該類電(dian)磁閥的公稱通(tong)徑zui大(da)可達(da)300mm，工作壓差可達(da)4MPa，適用(yong)于氣態及液體(ti)的管路系統(tong)中(zhong)。

以電(dian)磁閥(fa)(fa)閥(fa)(fa)體(ti)(ti)的左端(duan)為介(jie)(jie)質進(jin)口，右端(duan)為介(jie)(jie)質出口。當電(dian)磁閥(fa)(fa)線圈通電(dian)時，線圈產(chan)生電(dian)磁力(li)，動鐵芯(xin)受(shou)磁將壓(ya)縮(suo)彈簧與(yu)靜鐵芯(xin)閉(bi)合，同時帶動閥(fa)(fa)桿、閥(fa)(fa)瓣離開上、下(xia)(xia)(xia)閥(fa)(fa)座，這時的工作(zuo)介(jie)(jie)質將從(cong)左端(duan)進(jin)入閥(fa)(fa)體(ti)(ti)并(bing)上下(xia)(xia)(xia)流動通過(guo)雙閥(fa)(fa)座，匯合后從(cong)閥(fa)(fa)體(ti)(ti)的右端(duan)流出。當線圈斷(duan)電(dian)時，線圈電(dian)磁力(li)消失，動鐵芯(xin)在自重(zhong)和彈簧力(li)的作(zuo)用下(xia)(xia)(xia)向(xiang)下(xia)(xia)(xia)運動，閥(fa)(fa)瓣與(yu)雙閥(fa)(fa)座關閉(bi)，切斷(duan)介(jie)(jie)質的流通。

以電(dian)(dian)磁(ci)(ci)閥閥體(ti)的右(you)端為介(jie)質進口，左端為介(jie)質口。當電(dian)(dian)磁(ci)(ci)閥線圈通電(dian)(dian)時(shi)，線圈產生電(dian)(dian)磁(ci)(ci)力，動鐵芯受磁(ci)(ci)將壓縮彈簧與靜鐵芯閉(bi)合，同時(shi)帶動閥桿和(he)閥瓣(ban)離開雙閥座(zuo)，這(zhe)時(shi)的工作介(jie)質將從閥體(ti)右(you)端進入閥體(ti)腔內，分別(bie)從上、下介(jie)質流道通過上下閥座(zuo)，匯合后從閥體(ti)的左端流出(chu)。當線圈斷電(dian)(dian)時(shi)，線圈電(dian)(dian)磁(ci)(ci)力消(xiao)失，動鐵芯在自(zi)重(zhong)和(he)彈簧力的作用下向下運動，閥瓣(ban)與上、下閥座(zuo)關閉(bi)，切斷介(jie)質的流通。

FESTO電磁閥的(de)使(shi)用電壓(ya)

FESTO電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)可使用的電(dian)(dian)(dian)(dian)(dian)源(yuan)電(dian)(dian)(dian)(dian)(dian)壓也(ye)比較(jiao)廣泛(fan)，常見的有(you)直(zhi)(zhi)流(liu)(liu)(liu)12V、24V；交(jiao)(jiao)(jiao)流(liu)(liu)(liu)110V、220V，還有(you)100V、200V等，此(ci)外SMC還可定制電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)的使用電(dian)(dian)(dian)(dian)(dian)壓。交(jiao)(jiao)(jiao)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)有(you)蜂鳴聲(sheng)，行程大，吸(xi)力大。直(zhi)(zhi)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)不(bu)(bu)存在蜂鳴聲(sheng)，行程大時，吸(xi)力很小(xiao)，即啟動(dong)(dong)力小(xiao)。交(jiao)(jiao)(jiao)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)氣動(dong)(dong)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)大，有(you)時是保持電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)的10倍以上，若動(dong)(dong)鐵(tie)心被卡(ka)住，啟動(dong)(dong)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)持續流(liu)(liu)(liu)過(guo)，線(xian)圈(quan)發熱厲(li)害(hai)，甚(shen)至(zhi)被燒毀。交(jiao)(jiao)(jiao)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)不(bu)(bu)宜頻繁通斷。壽(shou)命不(bu)(bu)及(ji)直(zhi)(zhi)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)長。直(zhi)(zhi)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)的電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)取決于(yu)線(xian)圈(quan)電(dian)(dian)(dian)(dian)(dian)阻，與行程大小(xiao)無關。故(gu)動(dong)(dong)鐵(tie)心卡(ka)住時不(bu)(bu)會燒毀線(xian)圈(quan)。直(zhi)(zhi)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)鐵(tie)可頻繁通斷，工作安全可靠。但(dan)錯節高電(dian)(dian)(dian)(dian)(dian)壓，流(liu)(liu)(liu)過(guo)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)過(guo)大時，仍會燒毀線(xian)圈(quan)。

壓力平衡式德國FESTO電磁閥

FESTO電磁閥的動作方(fang)式

FESTO電(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)按照動作方式(shi)(shi)可以分為直(zhi)(zhi)動式(shi)(shi)和先(xian)導(dao)(dao)式(shi)(shi)。什么是直(zhi)(zhi)動式(shi)(shi)電(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)呢？SMC直(zhi)(zhi)動式(shi)(shi)電(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)直(zhi)(zhi)接依靠電(dian)(dian)(dian)磁(ci)(ci)力使閥(fa)(fa)(fa)(fa)芯換向。SMC直(zhi)(zhi)動式(shi)(shi)電(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)通(tong)徑(jing)較小(xiao)，常用于小(xiao)流(liu)量控制或作為先(xian)導(dao)(dao)式(shi)(shi)電(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)的電(dian)(dian)(dian)磁(ci)(ci)先(xian)導(dao)(dao)閥(fa)(fa)(fa)(fa)。SMC先(xian)導(dao)(dao)式(shi)(shi)電(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)由(you)先(xian)導(dao)(dao)閥(fa)(fa)(fa)(fa)和主閥(fa)(fa)(fa)(fa)組成。依靠先(xian)導(dao)(dao)閥(fa)(fa)(fa)(fa)輸(shu)出的氣壓力，通(tong)過控制活塞等推動主閥(fa)(fa)(fa)(fa)芯換向。通(tong)徑(jing)大的FESTO電(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)大多為先(xian)導(dao)(dao)式(shi)(shi)電(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)。SMC先(xian)導(dao)(dao)式(shi)(shi)電(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)又分為內部先(xian)導(dao)(dao)式(shi)(shi)電(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)和外部先(xian)導(dao)(dao)式(shi)(shi)電(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)。

FESTO電(dian)磁(ci)閥的接(jie)線方(fang)式(shi)

FESTO電磁閥(fa)接(jie)(jie)線(xian)方(fang)式多種多樣，有(you)直接(jie)(jie)出(chu)線(xian)方(fang)式，例(li)如G、M、L；有(you)接(jie)(jie)線(xian)座(zuo)出(chu)線(xian)式；有(you)導管接(jie)(jie)線(xian)座(zuo)式；有(you)DIN形(xing)插座(zuo)式；有(you)L形(xing)和(he)M形(xing)插座(zuo)式等(deng)(deng)。還有(you)幾種配線(xian)方(fang)式等(deng)(deng)等(deng)(deng)。

FESTO電(dian)(dian)磁(ci)閥(fa)在電(dian)(dian)磁(ci)線圈(quan)通(tong)電(dian)(dian)時，靜鐵(tie)心對動鐵(tie)心產生電(dian)(dian)磁(ci)吸力，利用電(dian)(dian)磁(ci)力使(shi)閥(fa)芯切(qie)換，以(yi)改變氣體(ti)流(liu)動方向，從而實現(xian)(xian)通(tong)斷(duan)、換向等(deng)。FESTO電(dian)(dian)磁(ci)閥(fa)易于實現(xian)(xian)電(dian)(dian)-氣聯合控制和復雜控制，能實現(xian)(xian)遠(yuan)距離操作，故目前應(ying)用FESTO電(dian)(dian)磁(ci)閥(fa)得到越(yue)來越(yue)廣泛的應(ying)用。

FESTO電磁閥型號：

FESTO/費斯(si)托(tuo) 減壓(ya)閥 AF400-04

FESTO/費斯托 油霧(wu)器 AL400-04

FESTO/費斯(si)托 節流閥 AS4000-04

FESTO/費斯(si)托 節流閥 AS3000-03

FESTO/費(fei)斯托(tuo) 151160 GRLA-M5-B

FESTO/費斯托 162599 LR-1/4-D-7-0-MINI

FESTO/費(fei)斯托 158522 DMM-20-10-P-A

FESTO/費斯托 163304 DNC-32-90-PPV-A

FESTO/費斯托 氣缸 ADVUL-25-10-P-A

FESTO/費(fei)斯托 159590 FRC-1/2-D-MIDI

575528 VUVS-L25-P53C-MZD-G14-F8-1B2

575526 VUVS-L25-P53C-MZD-G14-F8-1C1

575537 VUVS-L25-P53E-MD-G14-F8

575541 VUVS-L25-P53E-MD-G14-F8-1B2

575539 VUVS-L25-P53E-MD-G14-F8-1C1

575538 VUVS-L25-P53E-MZD-G14-F8

575542 VUVS-L25-P53E-MZD-G14-F8-1B2

575540 VUVS-L25-P53E-MZD-G14-F8-1C1

575530 VUVS-L25-P53U-MD-G14-F8

575534 VUVS-L25-P53U-MD-G14-F8-1B2

575532 VUVS-L25-P53U-MD-G14-F8-1C1

575531 VUVS-L25-P53U-MZD-G14-F8

575535 VUVS-L25-P53U-MZD-G14-F8-1B2

575533 VUVS-L25-P53U-MZD-G14-F8-1C1

575271 VUVS-L20-M32C-AZD-G18-F7-1C1

575260 VUVS-L20-M32C-MD-G18-F7

575274 VUVS-L20-M32C-MD-G18-F7-1C1

575259 VUVS-L20-M32C-MZD-G18-F7

575273 VUVS-L20-M32C-MZD-G18-F7-1C1

575256 VUVS-L20-M32U-AD-G18-F7

575270 VUVS-L20-M32U-AD-G18-F7-1C1

575258 VUVS-L20-M32U-AZD-G18-F7

575272 VUVS-L20-M32U-AZD-G18-F7-1C1

575262 VUVS-L20-M32U-MD-G18-F7

575276 VUVS-L20-M32U-MD-G18-F7-1C1

575261 VUVS-L20-M32U-MZD-G18-F7

575275 VUVS-L20-M32U-MZD-G18-F7-1C1

575249 VUVS-L20-M52-AD-G18-F7

575263 VUVS-L20-M52-AD-G18-F7-1C1

575675 VUVS-L20-M52-AZD-G18-F7

575676 VUVS-L20-M52-AZD-G18-F7-1C1

575250 VUVS-L20-M52-MD-G18-F7

575264 VUVS-L20-M52-MD-G18-F7-1C1

575679 VUVS-L20-M52-MZD-G18-F7

575680 VUVS-L20-M52-MZD-G18-F7-1C1

575254 VUVS-L20-P53C-MD-G18-F7

575268 VUVS-L20-P53C-MD-G18-F7-1C1

575685 VUVS-L20-P53C-MZD-G18-F7

575686 VUVS-L20-P53C-MZD-G18-F7-1C1

575252 VUVS-L20-P53E-MD-G18-F7

壓力平衡式德國FESTO電磁閥

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