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上海韋米機(jī)電設(shè)備有限公司
聯(lián)系人：何洋
在線QQ：1875691081
熱線電話：021-61116812 
傳真：021-51334670

我公司專業(yè)代理博世力士樂（BOSCH-REXROTH）、阿托斯ATOS、派克Parker、迪普馬DUPLOMATIC、油研YUKEN;本特利bentley、貝加萊B&R、西門子、光洋KOYO，美國ASCO，美國PARKER派克 美國伊頓威格士VICKERS泵閥 日本大金DAIKIN電磁閥 美國艾爾泰克電磁閥 美國阿泰克電磁閥  等系列進(jìn)口產(chǎn)品 

S15A1.0/力士樂管式單向閥  （1）結(jié)構(gòu)原理
1）MK型單向節(jié)流閥 圖27是MK型單向節(jié)流閥的結(jié)構(gòu)原理圖。該閥是管式聯(lián)接的單向節(jié)流閥，其節(jié)流口采用軸向三角槽式結(jié)構(gòu)。旋轉(zhuǎn)調(diào)節(jié)螺母3，可改變節(jié)流口通流面積的大小，以調(diào)節(jié)流量。正向流動時(shí)起節(jié)流閥作用；反向流動時(shí)起單向閥作用，這時(shí)由于有部分油液可在環(huán)形縫隙中流動，可以清除節(jié)流口上的沉積物。在閥體2左端有刻度槽，調(diào)節(jié)螺母3上有刻度，用以標(biāo)志調(diào)節(jié)流量的大小。
2）F型精密節(jié)流閥 圖28是F型精密節(jié)流閥的結(jié)構(gòu)原理圖。該閥主要由閥體1，調(diào)節(jié)件2和節(jié)流套3組成。在節(jié)流口4處實(shí)現(xiàn)對從A到B的流動的節(jié)流。轉(zhuǎn)動節(jié)流桿5，可調(diào)節(jié)節(jié)流斷面。由于節(jié)流口制成薄壁孔，故節(jié)流不易受溫度的影響。
（2）應(yīng)用
節(jié)流閥和單向節(jié)流閥是簡易的流量控制閥，它們在定量泵液壓系統(tǒng)中的主要作用是與溢流閥配合，組成三種節(jié)流調(diào)速系統(tǒng)：即進(jìn)油節(jié)流調(diào)速系統(tǒng)、回油節(jié)流調(diào)速系統(tǒng)和旁路節(jié)流調(diào)速系統(tǒng)。對于執(zhí)行元件要求往返節(jié)流調(diào)速的系統(tǒng)可使用兩個(gè)單向節(jié)流閥。節(jié)流閥也在容積節(jié)流調(diào)速回路中使用。這種閥沒有壓力及溫度補(bǔ)償裝置，不能自動補(bǔ)償載荷及油液粘度變化時(shí)造成的速度不穩(wěn)定，但其結(jié)構(gòu)簡單，制造和維護(hù)方便。所以在載荷變化不大或?qū)λ俣确€(wěn)定性要求不高的一般液壓系統(tǒng)中得到廣泛應(yīng)用。
單向節(jié)流閥的故障原理
    摘要:單向節(jié)流閥由單向閥與節(jié)流閥并聯(lián)而成，用于一個(gè)方向需要控制流量而另一方向（反向）則油流需要暢通的回路中，以實(shí)現(xiàn)執(zhí)行元件正向可調(diào)速，而方向能快速退回。 
一、簡介
　　單向節(jié)流閥由單向閥與節(jié)流閥并聯(lián)而成，用于一個(gè)方向需要控制流量而另一方向（反向）則油流需要暢通的回路中，以實(shí)現(xiàn)執(zhí)行元件正向可調(diào)速，而方向能快速退回。
　　二、故障機(jī)理
　　從單向節(jié)流閥的結(jié)構(gòu)可知，單向節(jié)流閥的閥芯，正向流動時(shí)，起節(jié)流閥的作用；反向流動時(shí)，起單向閥的作用。有關(guān)故障分析可參閱單向閥與節(jié)流閥的相關(guān)內(nèi)容進(jìn)行。

上海韋米機(jī)電設(shè)備有限公司位于浦東金橋是全國工業(yè)傳動流體自動化領(lǐng)域?qū)嵙^強(qiáng)的經(jīng)銷代理商，有著豐富的氣動液壓技術(shù)服務(wù)、工業(yè)銷售及國際采購的經(jīng)驗(yàn)，主營產(chǎn)品涉及液壓泵閥（電磁閥、柱塞泵拳頭產(chǎn)品）、工控產(chǎn)品、驅(qū)動模塊、伺服電機(jī)、可編程控制器PLC、數(shù)控傳動、傳感器系列、電源、氣動元件、工業(yè)儀器儀表。具體主要經(jīng)營品牌及產(chǎn)品如下:
博世力士樂rexroth工業(yè)液壓氣動元件大量現(xiàn)貨（電磁換向閥、節(jié)流閥、單向閥、比例閥、伺服閥、安全溢流閥、流量控制閥、減壓閥、調(diào)節(jié)閥、壓力繼電器、比例放大板、放大器，軸向柱塞泵、葉片泵、齒輪泵，伺服驅(qū)動器、伺服電機(jī)，氣動元件、氣動閥、氣缸等），部分系列型號：
電磁閥：4WE6、4WE10、4WE16；電液閥：4WEH10H、4WEH16、4WEH25，
單向閥：S10A、S20A、Z1S、Z2S、SL10、SL20、SV10、SV20、RVP，插裝閥：LC、LFA
溢流閥：DB、DBW、DBET、DBD、ZDB、Z2DB，減壓閥：DR6DP、DR10DP、ZDR6、ZDR10、DR-4X、DR-5X
節(jié)流閥：Z2FS6、Z2FS10、Z2FS16、Z2FS22；調(diào)速閥：2FRM5、2FRM10、2FRM16，
平衡閥：FD12FA、FD12PA、FD12KA、FD16FA，繼電器：HED80、HED40，電子單元：VT、0811
比例方向閥：4WRA、4WRAE、4WRE、4WREE、4WREEM、4WRH、4WRZ、4WRZE、4WRKE、4WRBKE、4WS2EM
高頻響方向閥：4WRPH、4WRPEH、5WRP、5WRPE、4WRREH、4WRP、4WRPE、4WRP(E)H、4WRSE、4WRSEH、4WRPNH、4WRL、4WRLE、4WRVE、4WRGE、4WRL、4WRLE、4WRDE、3WRCBH，伺服系統(tǒng)：HAS、HNL、HCS、HNL
柱塞泵：A4VSO、A10VSO、A2FO，定量馬達(dá)：A2FM，A4FM，A10FM/E， 齒輪泵：0510、AZPF，葉片泵：PV7
意大利阿托斯ATOS及迪普馬DUPLOMATIC、美國Parker派克及EATON VICKERS伊頓 威格士液壓、日本YUKEN油研泵閥優(yōu)勢現(xiàn)貨系列（電磁閥換向閥、壓力開關(guān)、柱塞泵、齒輪泵、比例閥、截止閥、開關(guān)閥等），
奧地利貝加萊B&R  br-automation自動化配品配件貨期短現(xiàn)貨多（伺服驅(qū)動器、觸摸屏、工控機(jī)、CPU模塊、總線控制器、X20\2003\2005\2010系統(tǒng)中各類功能模塊等）

4WE6電磁換向閥 
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4WE6WB50B/AW220-50NZ4
4WE6E2-61B/CG24N9Z5L

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