電液換向閥H-4WEH25E6X/6HG24N9ETK4

 

液壓機(jī)NG25電液換向閥H-4WEH25E6X/6HG24N9ETK4

電液換向閥是由電磁換向閥作先導(dǎo)閥與液動(dòng)換向閥組合而成，由電磁閥引進(jìn)油液，推動(dòng)主滑閥運(yùn)動(dòng)，使主油路換向。主要用于改變油流方向，改變油馬達(dá)旋轉(zhuǎn)方向，和油缸的運(yùn)動(dòng)方向等。也可用以完成卸荷和順序動(dòng)作等用途。適用于大流量的液壓系統(tǒng)。液動(dòng)閥換向的快慢可用其控制油路中的單向節(jié)流閥來調(diào)節(jié)。

原理：通電時(shí)，電磁線圈產(chǎn)生電磁力把關(guān)閉件從閥座上提起，閥門打開；斷電時(shí)，電磁力消失，彈簧把關(guān)閉件壓在閥座上，閥門關(guān)閉。
特點(diǎn)：在真空、負(fù)壓、零壓時(shí)能正常工作，但通徑一般不超過25mm。

 

說明事項(xiàng)
1.產(chǎn)品可任意安裝，優(yōu)先考慮水平位置。
2.液壓系統(tǒng)所用介質(zhì)必c須過濾，過濾精度至少20μm。
3.固定螺釘請(qǐng)按樣本中所列參數(shù)選用。
4.與閥連接的表面，粗糙度要求Ra0.8，平面度要求0.01/100mm
工作原理：。。當(dāng)兩個(gè)電磁閥線圈通電時(shí)，平衡孔回路關(guān)閉，泄流孔回路打開，活塞上腔泄壓，活塞上行，閥門打開。反之，活塞下行，閥門關(guān)閉。在閥門開啟和關(guān)閉過程中，可將流量（流速）信號(hào)及閥塞位置信號(hào)傳送給計(jì)算機(jī)，經(jīng)過計(jì)算機(jī)處理后發(fā)出相應(yīng)的指令，控制兩個(gè)電磁導(dǎo)閥的通、斷電狀態(tài)，使活塞的上下腔的液壓差產(chǎn)生變化，從而將活塞控制在所需的開啟高度上，實(shí)現(xiàn)對(duì)管道介質(zhì)流量的控制。

電液換向閥常用型號(hào)

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R901224159 4WEH22D7X/6EW230N9ETK4/B10
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R901208378 H-4WEH25EA6X/6HG24N9ETK4/B10D3
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R901156193 4WEH10J4X/6EG48N9ETK4/B10
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R901108958 4WEH22E7X/6HG24N9ETK4/B10
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R901135875 H-4WEH25HD6X/6EW230N9ETK4/B10D,3
R901135788 4WEH16D7X/6EG24N9ETK4/B12

閥門的控制可采用多種傳動(dòng)方式， 如手動(dòng)、電動(dòng)、液動(dòng)、氣動(dòng)、渦輪、電磁動(dòng)、電磁液動(dòng)、電液動(dòng)、氣液動(dòng)、正齒輪、傘齒輪驅(qū)動(dòng)等；可以在壓力、溫度或其它形式傳感信號(hào)的作用下， 按預(yù)定的要求動(dòng)作，或者不依賴傳感信號(hào)而進(jìn)行簡(jiǎn)單的開啟或關(guān)閉，閥門依靠驅(qū)動(dòng)或自動(dòng)機(jī)構(gòu)使啟閉件作升降、滑移、旋擺或回轉(zhuǎn)運(yùn)動(dòng)， 從而改變其流道面積的大小以實(shí)現(xiàn)其控制功能。
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R901133825 4WRZ25W325-7X/6EG24N9ETK4/M
R901133552 4WEH22M7X/6EW110N9ETK4/B10
R901133525 4WEH10L4X/6EG24N9ETK4/B12
R901133048 4WEH22J7X/6EG24N9ETK4QMAG24/B10
R901132955 4WEH16JB7X/6HG24N9ETK4/B10
R901132820 4WEH22R7X/6EG96N9ETK4/B10
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R901131731 H-4WEH10J4X/6EG24N9ETK4/10B12D3
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R901131105 4WEH16J7X/6EG48N9ETK4/B15
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R901117053 H-4WEH16HA7X/6EG24N9ETK4/B10P4,5D3
R901116411 Z4WEH10E63-4X/6EW110N9ETK4QMAG24/B10V
R901116409 4WEH32D6X/6EW110N9ETK4/B10V
R901115922 H-4WEH25JB6X/6EG24N9ETK4/B10D3
R901114733 4WEH16HC7X/OF6EW110N9ETK4/B10P4.5
R901114344 4WEH22HC7X/OF6EG24N9ETK4/B10P4,5
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R901113573 Z4WEH10E63-4X/6EW110N9ETK4/B10
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R900946490 4WRZ10W6-50-7X/6EG24N9ETK4/D3V

上海韋米機(jī)電設(shè)備有限公司位于上海市浦東新區(qū)金橋禹洲國(guó)際，是一家從事經(jīng)營(yíng)國(guó)外進(jìn)口液壓氣動(dòng)備件、自動(dòng)化儀表的貿(mào)易型公司；專注于中國(guó)工業(yè)傳動(dòng)自動(dòng)化流體領(lǐng)域。主營(yíng)產(chǎn)品電磁閥、柱塞泵、數(shù)控模塊、伺服電機(jī)、可編程控制器、傳感器、氣動(dòng)元件、工業(yè)儀器儀表等。經(jīng)營(yíng)品牌有：博世力士樂rexroth、阿托斯ATOS、迪普馬DUPLOMATIC、Parker派克、EATON VICKERS伊頓、貝加萊B&R、西門子Siemens低壓、愛爾泰克Airtec氣動(dòng)等進(jìn)口品牌。