R901007772 4WS2EM6-22/20B11XNET315K17EV-100

R901007772 4WS2EM6-22/20B11XNET315K17EV-100 德國博世力士樂REXROTH比例伺服閥

比例控制閥

采用比例電磁鐵(或力矩馬達)將輸入信號轉(zhuǎn)換成力或閥的機械位移，使閥的輸出(壓力、流量)也按照其輸入量連續(xù)、成比例地進行控制的閥。

比例閥三種形態(tài)

（1）電磁式 電磁式是指采用比例電磁鐵作為電氣一機械轉(zhuǎn)換元件的比例閥，比例電磁鐵將輸入的電流信號轉(zhuǎn)換成力、位移機械信號輸出．進而控制壓力、流量及方向等參數(shù)。

（2）電動式 電動式是指采用直流伺服電動機作為電氣一機械轉(zhuǎn)換元件的比例閥，直流伺服電動機將輸入的電信號．轉(zhuǎn)換成旋轉(zhuǎn)運動轉(zhuǎn)速，再經(jīng)絲桿螺母、齒輪齒條或齒輪凸輪等減速裝置和變換機構(gòu)，輸出力與位移，進一步控制液壓參數(shù)。

（3）電液式 電液式是指采用力矩馬達和噴嘴擋板的結(jié)構(gòu)為先導(dǎo)控制級的比例閥。對力矩馬達輸入不同的電信號，并通過同它連接在一起的擋板（有時力矩馬達的銜鐵就是擋板）輸出位移或角位移，改變擋板和噴嘴之間的距離，使噴嘴噴出的油液流阻產(chǎn)生變化，進而控制輸小參數(shù)。

伺服控制閥

伺服控制閥輸入信號(電量、機械量)多為偏差信號(輸入信號與反饋信號的差值),閥的輸出量(壓力、流量)也按照其輸入量連續(xù)、成比例地進行控制的閥。這類閥的工作性能類似于比例控制閥,但具有較高的動態(tài)瞬應(yīng)和靜態(tài)性能,多用于要求較高的、響應(yīng)快的閉環(huán)液壓控制系統(tǒng)。

大型鋼廠現(xiàn)場采用的主要伺服閥如:伺服閥，

1、基本結(jié)構(gòu)：

主閥體（閥芯/閥套）、先導(dǎo)閥（伺服射流管）、電氣控制盒（放大版）

2、工作原理

伺服射流管先導(dǎo)級

射流管先導(dǎo)級主要由力矩馬達、射流管和接收器組成。

當(dāng)線圈中有電流通過時,產(chǎn)生的電磁力使射流管噴嘴偏離零位,管內(nèi)的大部分液流集中射向一側(cè)的接收器,而另一側(cè)接收 器所得到的流量減少,由此造成兩接收器的壓力變化。主閥閥芯因此壓差而產(chǎn)生位移。

先導(dǎo)級的泄漏油通過噴嘴環(huán)形區(qū)域處的排出通道直接回油箱。

多級閥的工作原理

多級閥中的功率級閥芯的位置閉環(huán)控制是由閥內(nèi)控制電路來實現(xiàn)的。對控制電路中的位移控制器輸入一個指令信號(與閥期望輸出的流量成正比),同時位移傳感器通過一激勵器測出功率級閥芯的實際位移(以與實際位移成正比的電壓形式出現(xiàn)),次位移信號被調(diào)解并反饋至位移控制器與指令信號相比較,得出的偏移信號驅(qū)動先導(dǎo)級并使功率級閥芯

產(chǎn)生位移,直至偏差信號為零。

由此得到功率級滑閥的位移與指令電信號成正比。

R901007772 4WS2EM6-22/20B11XNET315K17EV-100 德國博世力士樂REXROTH比例伺服閥

4WS(E)2EM 6-2X/…

此型號的閥門是電動操作式二級伺服方向閥，其油口安裝面符合 ISO 4401-03-02-0-05 標準。 它們主要用于控制位置、力、壓力或速率。

這些閥門由機電轉(zhuǎn)換器（力矩馬達）(1)、液壓放大器（原理：噴嘴擋板）(2) 和套筒（第二級）中的控制閥芯 (3)（通過機械反饋連接到力矩馬達）組成。

力矩馬達線圈 (4) 上的電氣輸入信號通過較好磁體產(chǎn)生作用于電樞 (5) 的力，并與彈性管 (6) 一起產(chǎn)生扭矩。這導(dǎo)致通過螺栓連接到彈性管 (6) 的擋板 (7) 從兩個控制噴嘴 (8) 之間的中心位置移開，并且在控制閥芯 (3) 的前側(cè)產(chǎn)生壓差。壓差導(dǎo)致閥芯改變位置，并導(dǎo)致壓力油口連接一個執(zhí)行機構(gòu)油口，同時，另一個執(zhí)行機構(gòu)油口連接到回流油口。

控制閥芯通過彎曲彈簧（機械反饋）(9) 連接到擋板或力矩馬達。閥芯的位置將改變，直到彎曲彈簧的反饋扭矩和力矩馬達的電磁扭矩達到平衡并且噴嘴擋板系統(tǒng)的壓差變?yōu)榱恪?/p>

因此，控制閥芯的行程和伺服閥的流量是與電氣輸入信號成比例來控制的。必須注意的是，流量取決于閥壓降。

用于外部控制電子元件的型號 4WS2EM 6-2X/…

外部控制電子元件（伺服放大器）操作閥門并放大模擬輸入信號（控制值），以便通過輸出信號以流量控制形式驅(qū)動伺服閥。

帶有 OBE 的型號 4WSE2EM 6-2X/…

要放大模擬輸入信號，需集成特別針對此閥類型進行過調(diào)整的控制電子元件 (10)。它們與位于力矩馬達蓋帽中的連接器 (11) 相連接。

R901007772 4WS2EM6-22/20B11XNET315K17EV-100 德國博世力士樂REXROTH比例伺服閥型號

力士樂REXROTH四通伺服方向閥4WS.2E...

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力士樂REXROTH具農(nóng)業(yè)生產(chǎn)體系械位置反饋的定向伺服閥4WS2EM 6…XN

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R901040717 4WS2EM10-5X/5B11ET315K8EV

R901212495 4WS2EM10-5X/5B11T315K31DV

R901283379 4WS2EM10-5X/5B11T315K31EV

R901146549 4WS2EM10-5X/5B11T315K8AV

R901357405 4WS2EM10-5X/5B11VH1T210K31EV-102

R901096775 4WS2EM10-5X/5B11VH1T315K31DV-104

R900733233 4WS2EM10-5X/60B0T210K31CV-112

R900947865 4WS2EM10-5X/60B0T210K9CV-112

R901016900 4WS2EM10-5X/60B0T315K31CV-112

R900956422 4WS2EM10-5X/60B11-210K31EV

R901042714 4WS2EM10-5X/60B11-315K31EV

R901263634 4WS2EM10-5X/60B11E210K31DV

R901119176 4WS2EM10-5X/60B11ET210K31AV

R900734250 4WS2EM10-5X/60B11ET210K31DV

R900977335 4WS2EM10-5X/60B11ET210K31EV

R901056159 4WS2EM10-5X/60B11ET210K8DV

R900968259 4WS2EM10-5X/60B11ET315K31AV

R901066652 4WS2EM10-5X/60B11ET315K31CV-114

R901197960 4WS2EM10-5X/60B11ET315K31DM

R900619398 4WS2EM10-5X/60B11ET315K31DV

R900949286 4WS2EM10-5X/60B11ET315K31EV

R901407953 4WS2EM10-5X/60B11ET315K8AV

R901338221 4WS2EM10-5X/60B11ET315K8BV

R901207668 4WS2EM10-5X/60B11ET315K8CV

R901197963 4WS2EM10-5X/60B11ET315K8DM

R901020256 4WS2EM10-5X/60B11ET315K8DV

R901197964 4WS2EM10-5X/60B11ET315K8EM-102

R900974578 4WS2EM10-5X/60B11ET315K8EV

R900784343 4WS2EM10-5X/60B11T210K31BV

R901233551 4WS2EM10-5X/60B11T210K31CV-114

R901276876 4WS2EM10-5X/60B11T210K31EV

R900721940 4WS2EM10-5X/60B11T315K31AV

R901039313 4WS2EM10-5X/60B11T315K31CV

R900772317 4WS2EM10-5X/60B11T315K31CV-114

R901046075 4WS2EM10-5X/60B11T315K31DV

R900244119 4WS2EM10-5X/60B11T315K31EV

R901309610 4WS2EM10-5X/60B11T315K8AV

R901109237 4WS2EM10-5X/60B11T315K8CV-114

R900976838 4WS2EM10-5X/60B11T315K8DV

R900776612 4WS2EM10-5X/75B11-210K31EV

R900932667 4WS2EM10-5X/75B11-315K31EV

R901234554 4WS2EM10-5X/75B11ET210K31AV

R900749528 4WS2EM10-5X/75B11ET210K31EV

R901320820 4WS2EM10-5X/75B11ET210K8AV

R901166826 4WS2EM10-5X/75B11ET210K8DV

R900970670 4WS2EM10-5X/75B11ET315CDV-6

R901246494 4WS2EM10-5X/75B11ET315K31AV

R901196925 4WS2EM10-5X/75B11ET315K31DM

R900243941 4WS2EM10-5X/75B11ET315K31DV

R900909219 4WS2EM10-5X/75B11ET315K31EV

R901098036 4WS2EM10-5X/75B11ET315K31EV-126

R901321058 4WS2EM10-5X/75B11ET315K8AV

R901160295 4WS2EM10-5X/75B11ET315K8CV

R901196927 4WS2EM10-5X/75B11ET315K8DM

R901066145 4WS2EM10-5X/75B11ET315K8DV

R900975810 4WS2EM10-5X/75B11ET315K8EV

R900618077 4WS2EM10-5X/75B11T210K31AV

R900924424 4WS2EM10-5X/75B11T210K31EV

R900977304 4WS2EM10-5X/75B11T210K8AV

R901152095 4WS2EM10-5X/75B11T315K31CV

R900786427 4WS2EM10-5X/75B11T315K31CV-114

R900956598 4WS2EM10-5X/75B11T315K31DV

R900246468 4WS2EM10-5X/75B11T315K31EV

R900728842 4WS2EM10-5X/75B11T315K8AV

R900976837 4WS2EM10-5X/75B11T315K8DV

R900733235 4WS2EM10-5X/90B0T210K31CV-112

R900947866 4WS2EM10-5X/90B0T210K9CV-112

R900771338 4WS2EM10-5X/90B11-210K31EV

R901409920 4WS2EM10-5X/90B11-315K31CV-114

R900949502 4WS2EM10-5X/90B11-315K31DV

R900948483 4WS2EM10-5X/90B11-315K31EV

R900926784 4WS2EM10-5X/90B11E210K31AV

R901119633 4WS2EM10-5X/90B11E315K31EV

R900976945 4WS2EM10-5X/90B11ET210K31EV

R900703919 4WS2EM10-5X/90B11ET210K8DV

R900960860 4WS2EM10-5X/90B11ET210K8EV

R900949263 4WS2EM10-5X/90B11ET315K31AV

R901159024 4WS2EM10-5X/90B11ET315K31CV

R901146045 4WS2EM10-5X/90B11ET315K31CV-114

R901197962 4WS2EM10-5X/90B11ET315K31DM

R900934210 4WS2EM10-5X/90B11ET315K31DV

R900922801 4WS2EM10-5X/90B11ET315K31EV

R901233553 4WS2EM10-5X/90B11T210K31CV-114

R900923294 4WS2EM10-5X/90B11T210K31EV

R900711710 4WS2EM10-5X/90B11T210K8DV

R900245289 4WS2EM10-5X/90B11T315K31CV

R900711077 4WS2EM10-5X/90B11T315K31CV-114

R901382813 4WS2EM10-5X/90B11T315K31DV

R900950888 4WS2EM10-5X/90B11T315K31EV

R900708915 4WS2EM10-5X/90B11T315K8DV

R901253274 4WS2EM10-5X/90B11VH1ET315K31DV

R901372572 4WS2EM10-5X=20B11ET315K31EV-100

R901416740 4WS2EM10-5X=20B11T315K31CV-114

R901289086 4WS2EM10-5X=45B11T315K31CV

R901426743 4WS2EM10-5X=5B11ET315K31DV

R901374262 4WS2EM10-5X=60B0T210K31CV-112

R901363302 4WS2EM10-5X=60B11ET315K31EV

R901374240 4WS2EM10-5X=60B11T210K31CV-114

R901321267 4WS2EM10-5X=60B11T315K31CV-114

R901342267 4WS2EM10-5X=90B0T210K31CV-112

R901308031 4WS2EM10-5X=90B0T210K9CV-112

R901350387 4WS2EM10-5X=90B11ET315K31EV

R901374259 4WS2EM10-5X=90B11T210K31CV-114

R901342268 4WS2EM10-5X=90B11T315K31CV-114

R901184572 4WSE2ED10-5X/10B13ET315K31EV

R901215668 4WSE2ED10-5X/10B13T315K31DV

R901031500 4WSE2ED10-5X/10B9ET210K31DV

R901351860 4WSE2ED10-5X/10B9ET315K31DV

R900780250 4WSE2ED10-5X/10B9ET315K31EV

R901114562 4WSE2ED10-5X/10B9T315K31DV

R901225350 4WSE2ED10-5X/10B9T315K31EV

R901358343 4WSE2ED10-5X/20B13-315K31EV

R900927857 4WSE2ED10-5X/20B13ET315K31EV

R901222084 4WSE2ED10-5X/20B13T210K31DV

R900965878 4WSE2ED10-5X/20B13T315K31EV

R900952159 4WSE2ED10-5X/20B9-210K31EV

R901015625 4WSE2ED10-5X/20B9-315K31EV

R900918000 4WSE2ED10-5X/20B9ET210K31EV

R901202891 4WSE2ED10-5X/20B9ET315K31AV

R900918001 4WSE2ED10-5X/20B9ET315K31EV

R901100588 4WSE2ED10-5X/20B9T210K31EV

R901100615 4WSE2ED10-5X/20B9T315K31DV

R901060779 4WSE2ED10-5X/20B9T315K31EV

R900926109 4WSE2ED10-5X/30B13-210K31EV

R900954228 4WSE2ED10-5X/30B13ET210K31EV

R901403582 4WSE2ED10-5X/30B13ET315K31AV

R901105059 4WSE2ED10-5X/30B13ET315K31EV

R900922137 4WSE2ED10-5X/30B13T210K31EV

R900921387 4WSE2ED10-5X/30B13T315K31EV

R901007741 4WSE2ED10-5X/30B13T315K9EV

R901160746 4WSE2ED10-5X/30B8T210K31EV

R901032085 4WSE2ED10-5X/30B9-315K31EV

R901041598 4WSE2ED10-5X/30B9ET210K31DV

R900918002 4WSE2ED10-5X/30B9ET210K31EV

R901403324 4WSE2ED10-5X/30B9ET315K31AV

R900918003 4WSE2ED10-5X/30B9ET315K31EV

R901255699 4WSE2ED10-5X/30B9T210K31DV

R900248928 4WSE2ED10-5X/30B9T315K31EV

R900963739 4WSE2ED10-5X/45B13-210K31EV

R900955841 4WSE2ED10-5X/45B13-315K31EV

R900909230 4WSE2ED10-5X/45B13ET315K31EV

R901103896 4WSE2ED10-5X/45B13T210K31EV

R900946935 4WSE2ED10-5X/45B13T315K31EV

R901007754 4WSE2ED10-5X/45B13T315K9EV

R901391707 4WSE2ED10-5X/45B14-315K31EV-141

R900706147 4WSE2ED10-5X/45B8-315K31EV

R900944397 4WSE2ED10-5X/45B9E315K31EV

R900918004 4WSE2ED10-5X/45B9ET210K31EV

R900921236 4WSE2ED10-5X/45B9ET315K31EV

R900964209 4WSE2ED10-5X/45B9T315K31DV

R900715445 4WSE2ED10-5X/45B9T315K31EV

R901304934 4WSE2ED10-5X/5B13T210K31EV

R901221959 4WSE2ED10-5X/5B13T315K31DV

R901312785 4WSE2ED10-5X/5B13T315K31EV

R901231222 4WSE2ED10-5X/5B9ET210K31EV

R901006219 4WSE2ED10-5X/5B9ET315K31EV

R901061453 4WSE2ED10-5X/60B13-210K31EV

R900972857 4WSE2ED10-5X/60B13-315K31EV

R901290207 4WSE2ED10-5X/60B13E315K31EV

R900974996 4WSE2ED10-5X/60B13ET315K31EV

R900909228 4WSE2ED10-5X/60B13T315K31EV

R900909311 4WSE2ED10-5X/60B13T315K9EV

R900911709 4WSE2ED10-5X/60B8T315K9EV

R900707997 4WSE2ED10-5X/60B9-315K31EV

R900784067 4WSE2ED10-5X/60B9E210K31EV

R901293891 4WSE2ED10-5X/60B9E315K31EV

R900918005 4WSE2ED10-5X/60B9ET210K31EV

R900944398 4WSE2ED10-5X/60B9ET315K31EV

R900909229 4WSE2ED10-5X/60B9T315K31EV

R900955802 4WSE2ED10-5X/75B13-315K31EV

R900966680 4WSE2ED10-5X/75B13ET210K31EV

R900909225 4WSE2ED10-5X/75B13ET315K31EV

R900702856 4WSE2ED10-5X/75B13ET315K9EV

R900978675 4WSE2ED10-5X/75B13T315K31EV

R900706146 4WSE2ED10-5X/75B8-315K31EV

R900912010 4WSE2ED10-5X/75B8T315K9EV

R900950119 4WSE2ED10-5X/75B9-210K31EV

R900976591 4WSE2ED10-5X/75B9-315K31EV

R900779663 4WSE2ED10-5X/75B9ET210K31DV

R900918006 4WSE2ED10-5X/75B9ET210K31EV

R900948407 4WSE2ED10-5X/75B9ET315K31DV

R900927674 4WSE2ED10-5X/75B9ET315K31EV

R901296645 4WSE2ED10-5X/75B9T210K31DV

R900960549 4WSE2ED10-5X/75B9T315K31EV

R900955905 4WSE2ED10-5X/90B13-315K31EV

R900941267 4WSE2ED10-5X/90B13-315K9EV

R901126979 4WSE2ED10-5X/90B13E315K31EV

R901042789 4WSE2ED10-5X/90B13ET210K31EV

R900746090 4WSE2ED10-5X/90B13ET315K31EV

R900946635 4WSE2ED10-5X/90B13ET315K9EV

R901024002 4WSE2ED10-5X/90B13T315K31EV

R900932856 4WSE2ED10-5X/90B13T315K9EV

R901391708 4WSE2ED10-5X/90B14-315K31EV-141

R901264153 4WSE2ED10-5X/90B9-210K31EV

R900943942 4WSE2ED10-5X/90B9-315K31EV

R901293892 4WSE2ED10-5X/90B9E315K31EV

R900918007 4WSE2ED10-5X/90B9ET210K31EV

R900918008 4WSE2ED10-5X/90B9ET315K31EV

R900743459 4WSE2ED10-5X/90B9T315K31EV

R901363115 4WSE2EM10-5X/10B13ET315K31EV

R901146850 4WSE2EM10-5X/10B9ET315K31AV

R901366893 4WSE2EM10-5X/10B9ET315K31BV

R901006216 4WSE2EM10-5X/10B9ET315K31EV

R901219634 4WSE2EM10-5X/10B9T315K31EV

R900703279 4WSE2EM10-5X/20B13ET315K31EV

R901146769 4WSE2EM10-5X/20B9-315K31EV

R901064745 4WSE2EM10-5X/20B9ET210K31EV

R901146484 4WSE2EM10-5X/20B9ET315K31DV

R900946690 4WSE2EM10-5X/20B9ET315K31EV

R901018760 4WSE2EM10-5X/20B9T315K31EV

R900914827 4WSE2EM10-5X/30B13E315K31EV

R900765010 4WSE2EM10-5X/30B13ET315K31EV

R900760170 4WSE2EM10-5X/30B9ET210K31EV

R901330529 4WSE2EM10-5X/30B9ET315K31DV

R900949287 4WSE2EM10-5X/30B9ET315K31EV

R900746398 4WSE2EM10-5X/30B9T315K31DV

R901257539 4WSE2EM10-5X/45B13ET210K31EV

R901010922 4WSE2EM10-5X/45B13ET315K31CV

R901303187 4WSE2EM10-5X/45B13ET315K31DV

R901130249 4WSE2EM10-5X/45B13ET315K31EV

R900974026 4WSE2EM10-5X/45B9-315K31EV

R900955382 4WSE2EM10-5X/45B9ET210K31EV

R900978878 4WSE2EM10-5X/45B9ET315K31BV

R901213759 4WSE2EM10-5X/45B9ET315K31DV

R900949288 4WSE2EM10-5X/45B9ET315K31EV

R901027808 4WSE2EM10-5X/45B9T315K31EV

R901303884 4WSE2EM10-5X/5B13ET315K31EV

R901011489 4WSE2EM10-5X/5B9ET210K31EV

R901006218 4WSE2EM10-5X/5B9ET315K31EV

R901146852 4WSE2EM10-5X/5B9T315K31AV

R901027809 4WSE2EM10-5X/5B9T315K31EV

R901010920 4WSE2EM10-5X/60B13ET315K31CV

R900957839 4WSE2EM10-5X/60B13ET315K31EV

R900914893 4WSE2EM10-5X/60B13T315K31EV

R901154799 4WSE2EM10-5X/60B9-315K31DV

R900948145 4WSE2EM10-5X/60B9-315K31EV

R901062358 4WSE2EM10-5X/60B9E315K31EV

R901060900 4WSE2EM10-5X/60B9ET210K31EV

R901121865 4WSE2EM10-5X/60B9ET315K31DV

R900946396 4WSE2EM10-5X/60B9ET315K31EV

R900963870 4WSE2EM10-5X/60B9T315K31EV

R900955762 4WSE2EM10-5X/75B13-315K31EV

R900935585 4WSE2EM10-5X/75B13ET210K31EV

R901292434 4WSE2EM10-5X/75B13ET315K31DV

R900949920 4WSE2EM10-5X/75B13ET315K31EV

R901199873 4WSE2EM10-5X/75B13T210K31EV

R901052959 4WSE2EM10-5X/75B13T315K31EV

R900948146 4WSE2EM10-5X/75B9-315K31EV

R900969614 4WSE2EM10-5X/75B9E210K31EV

R900949289 4WSE2EM10-5X/75B9ET315K31EV

R900968455 4WSE2EM10-5X/75B9T315K31EV

R900945283 4WSE2EM10-5X/90B13ET315K31EV

R901132770 4WSE2EM10-5X/90B9-315K31DV

R900941297 4WSE2EM10-5X/90B9ET210K31EV

R900909296 4WSE2EM10-5X/90B9ET315K31EV

R900736831 4WSE2EM10-5X/90B9T315K31EV

R902650707 DIR.-CO****OLVALVE 4WS2EM10-5X/20B11ET&

R902432975 DIR.-CO****OLVALVE 4WS2EM10-5X/20B11ET&

R902432976 DIR.-CO****OLVALVE 4WS2EM10-5X/30B11ET&

R902650708 DIR.-CO****OLVALVE 4WS2EM10-5X/30B11ET&

R902432979 DIR.-CO****OLVALVE 4WS2EM10-5X/30B11ET&

R902432977 DIR.-CO****OLVALVE 4WS2EM10-5X/45B11ET&

R902434066 DIR.-CO****OLVALVE 4WS2EM10-5X/45B11ET&

R902453645 DIR.-CO****OLVALVE 4WS2EM10-5X/45B11ET&

R902650709 DIR.-CO****OLVALVE 4WS2EM10-5X/45B11ET&

R902650728 DIR.-CO****OLVALVE 4WS2EM10-5X/45B11ET&

R902432980 DIR.-CO****OLVALVE 4WS2EM10-5X/45B11ET&

R902432978 DIR.-CO****OLVALVE 4WS2EM10-5X/75B11ET&

R902650710 DIR.-CO****OLVALVE 4WS2EM10-5X/75B11ET&

R902650262 DIR.-CO****OLVALVE 4WS2EM10-5X/75B11ET&

力士樂REXROTH三位四通方向伺服閥，機械位置反饋4WS2EM 10…XD

R901389597 4WS2EM10-5X/45B11XDT210CAV

R901250845 4WS2EM10-5X/90B11XDET315CCV

力士樂REXROTH三位四通方向伺服閥，機械位置反饋4WS2EM 10…XD...-100

R901434599 4WS2EM10-5X/10B11XDET315CEV-100

R901250842 4WS2EM10-5X/30B11XDET315CEV-100

R901300595 4WS2EM10-5X/45B11XDET315CEV-100

R901372361 4WS2EM10-5X=45B11XDET315CEV-100

R901377355 4WS2EM10-5X=90B11XD5ET315CEV-100

R901401896 4WS2EM10-5X=90B11XD6ET315CEV-100

力士樂REXROTH三位四通方向伺服閥，機械位置反饋4WS2EM 10…XH

R901355521 4WS2EM10-5X/10B11XH-315K31CV

R901076866 4WS2EM10-5X/10B11XHET315K31EV

R901275306 4WS2EM10-5X/10B11XHT315K31EV

R901133612 4WS2EM10-5X/20B11XHET315K31DV

R901011692 4WS2EM10-5X/20B11XHET315K31EV

R901408310 4WS2EM10-5X/30B11XHET315K31DV

R901066564 4WS2EM10-5X/30B11XHET315K31EV

R901177313 4WS2EM10-5X/45B11XHE315K31EV

R901262085 4WS2EM10-5X/45B11XHET210K31EV

R901133616 4WS2EM10-5X/45B11XHET315K31DV

R901029926 4WS2EM10-5X/45B11XHET315K31EV

R901162567 4WS2EM10-5X/45B11XHT315K31EV

R901355519 4WS2EM10-5X/5B11XH-315K31CV

R901244995 4WS2EM10-5X/5B11XHE315K31EV

R901439401 4WS2EM10-5X/5B11XHET315K31DV

R901052147 4WS2EM10-5X/5B11XHET315K31EV

R901406026 4WS2EM10-5X/5B11XHT315K31EV

R901108852 4WS2EM10-5X/60B11XHE315K31EV

R901086624 4WS2EM10-5X/60B11XHET315K31EV

R901108851 4WS2EM10-5X/75B11XHE315K31EV

R901122812 4WS2EM10-5X/75B11XHET210K31EV

R901032922 4WS2EM10-5X/75B11XHET315K31DV

R901029927 4WS2EM10-5X/75B11XHET315K31EV

R901039619 4WS2EM10-5X/75B11XHT315K31EV

R901412848 4WS2EM10-5X/90B11XH-315K31DV

R901296326 4WS2EM10-5X/90B11XHET210K31EV

R901086626 4WS2EM10-5X/90B11XHET315K31EV

力士樂REXROTH三位四通方向伺服閥，機械位置反饋4WS2EM 10…XH...-100

R901098304 4WS2EM10-5X/10B11XHET315K31EV-100

R901101919 4WS2EM10-5X/20B11XHET315K31EV-100

R901215886 4WS2EM10-5X/30B11XHET315K31EV-100

R901116633 4WS2EM10-5X/5B11XHET315K31EV-100

R901201058 4WS2EM10-5X/75B11XHE315K31EV-100

R901119156 4WS2EM10-5X/75B11XHET210K31EV-100

R901148528 4WS2EM10-5X/75B11XHT315K31EV-100

R901370776 4WS2EM10-5X/90B11XHET210K31EV-100

力士樂REXROTH三位四通方向伺服閥，機械位置反饋4WS2EM 10…XH...-102

R901155200 4WS2EM10-5X/45B11XHET210K31EV-102

力士樂REXROTH三位四通方向伺服閥，機械位置反饋4WS2EM 10…XH...-104

R901038882 4WS2EM10-5X/20B11XHET315K31DV-104

力士樂REXROTH具農(nóng)業(yè)生產(chǎn)體系械位置反饋的定向伺服閥4WS2EM 10…XN

R901166830 4WS2EM10-5X/20B11XNET315K31EV

R901320708 4WS2EM10-5X/20B11XNT315K31DV

R901408301 4WS2EM10-5X/30B11XNET315K31DV

R901243520 4WS2EM10-5X/30B11XNET315K31EV

R901166922 4WS2EM10-5X/45B11XNET315K31EV

R901145235 4WS2EM10-5X/75B11XNET315K31EV

R902460884 DIR.-CO****OLVALVE 4WS2EM10-5X/45B11XN&

R902651047 DIR.-CO****OLVALVE 4WS2EM10-5X/45B11XN&

R902460885 DIR.-CO****OLVALVE 4WS2EM10-5X/75B11XN&

R902651048 DIR.-CO****OLVALVE 4WS2EM10-5X/75B11XN&

力士樂REXROTH三位四通方向伺服閥，機械位置反饋4WS2EM 10…XN...-100

R901136641 4WS2EM10-5X/30B11XNET210K31EV-100

R901136532 4WS2EM10-5X/45B11XNET210K31EV-100

R900775738 4WS2EM10-5X/5B11XNT315K31EV-100

R901136436 4WS2EM10-5X/75B11XNET210K31EV-100

力士樂REXROTH三位四通方向伺服閥，機械位置反饋4WS2EM 10…XN...-102

R901001186 4WS2EM10-5X/10B11XNT315K31EV-102

R900775739 4WS2EM10-5X/20B11XNT315K31EV-102

R901066412 4WS2EM10-5X/20B11XNT315K31EV-102

R901141032 4WS2EM10-5X/30B11XNET210K31EV-102

R901141031 4WS2EM10-5X/45B11XNET210K31EV-102

R901141029 4WS2EM10-5X/75B11XNET210K31EV-102

R901428967 4WS2EM10-5X=20B11XNT315K31EV-102

力士樂REXROTH三位四通方向伺服閥，機械位置反饋4WS2EM 10…XN...-114

R901137059 4WS2EM10-5X/45B11XNET315K31EV-114

R901007771 4WS2EM10-5X/60B11XNT315K31CV-114

R901007770 4WS2EM10-5X/75B11XNT315K31CV-114

力士樂REXROTH四通伺服方向閥4WS(E)2E. 16

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R900345814 4WS2EE16-2X/100B2-140Z8D

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R900454896 4WS2EE16-2X/100B2-210Z8A-5

R900363525 4WS2EE16-2X/100B2-210Z8D

R900352689 4WS2EE16-2X/100B2-315Z8D

R900456352 4WS2EE16-2X/100B2-70Z8A

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R900503361 4WS2EE16-2X/100B2ET210Z8D

R900561312 4WS2EE16-2X/100B2ET315Z8B

R900455288 4WS2EE16-2X/100B2T210Z8A

R900343059 4WS2EE16-2X/100B2T210Z8D

R900411210 4WS2EE16-2X/100B2T315Z8D

R900487835 4WS2EE16-2X/100B2T70Z8B

R900508034 4WS2EE16-2X/125B1ET140Z8A

R900485286 4WS2EE16-2X/125B2-140Z8D

R900402729 4WS2EE16-2X/125B2-315Z8D

R900500984 4WS2EE16-2X/125B2E315Z8BV

R900382797 4WS2EE16-2X/125B2ET140Z8A

R900478241 4WS2EE16-2X/125B2ET140Z8B

R900529471 4WS2EE16-2X/125B2ET140Z8S-8

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R900436173 4WS2EE16-2X/125B2ET315Z8C

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R900481250 4WS2EE16-2X/125B2T210Z8A

R900407922 4WS2EE16-2X/125B2T210Z8B

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R900397717 4WS2EE16-2X/150B2-140Z8B

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R900452057 4WS2EE16-2X/150B2E140Z8A

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R900599059 4WS2EE16-2X/150B2ET315Z8B

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R900466228 4WS2EE16-2X/150B2T70Z8A

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R900411212 4WS2EE16-2X/175B2T315Z8D

R900419360 4WS2EE16-2X/175B2T70Z8B

R900449699 4WS2EE16-2X/200B1-140Z8A

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R900476500 4WS2EE16-2X/200B2-70Z8B

R900497668 4WS2EE16-2X/200B2E140Z8B

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R900456562 4WS2EE16-2X/200B2ET70Z8A

R900455080 4WS2EE16-2X/200B2T140Z8B

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R900475808 4WS2EE16-2X/200B2T210Z8B

R900475266 4WS2EE16-2X/200B2T315Z8A

R900457756 4WS2EE16-2X/200B2T70Z8A

R900461893 4WS2EE16-2X/200B2T70Z8B

R900764821 4WS2EM16-2X/100B12ET210K8AV

R900978618 4WS2EM16-2X/100B12ET210K8EV

R900512429 4WS2EM16-2X/100B12ET210Z8EM

R900732186 4WS2EM16-2X/100B12ET315K8DV

R900769978 4WS2EM16-2X/100B12ET315K8EV

R900562526 4WS2EM16-2X/100B12ET315Z8BM

R900512437 4WS2EM16-2X/100B12ET315Z8EM

R900618078 4WS2EM16-2X/100B12T210K8AV

R900725880 4WS2EM16-2X/100B12T210K8EV

R900538982 4WS2EM16-2X/100B12T210Z8AM

R900548177 4WS2EM16-2X/100B12T210Z8EM

R901101397 4WS2EM16-2X/100B12T315K8CV-114

R901043897 4WS2EM16-2X/100B12T315K8EV

R900528574 4WS2EM16-2X/100B12T315Z8EV

R901378095 4WS2EM16-2X/100B12XDET315CEV

R900524261 4WS2EM16-2X/125B12T210K8AM

R900977305 4WS2EM16-2X/125B12T210K8AV

R901346601 4WS2EM16-2X/125B12T210K8DV

R900909518 4WS2EM16-2X/125B12T315Z8DM

R901075839 4WS2EM16-2X/150B0T315K31CV-112

R900524764 4WS2EM16-2X/150B12ET210K8AM

R900922944 4WS2EM16-2X/150B12ET210K8EM

R901241483 4WS2EM16-2X/150B12ET210K8EV

R900519491 4WS2EM16-2X/150B12ET210Z8EM

R900519258 4WS2EM16-2X/150B12ET210Z8EV

R901443881 4WS2EM16-2X/150B12ET315K8CV

R901321271 4WS2EM16-2X/150B12ET315K8CV-114

R900931560 4WS2EM16-2X/150B12ET315K8DM

R901367146 4WS2EM16-2X/150B12ET315K8DM-102

R900937019 4WS2EM16-2X/150B12ET315K8DV

R900716550 4WS2EM16-2X/150B12ET315K8EV

R900928906 4WS2EM16-2X/150B12ET315Z8AM

R900527278 4WS2EM16-2X/150B12ET315Z8CV

R900576128 4WS2EM16-2X/150B12ET315Z8DM

R900520727 4WS2EM16-2X/150B12ET315Z8EM

R901203630 4WS2EM16-2X/150B12T210K8AM

R901291280 4WS2EM16-2X/150B12T210K8AV

R900522193 4WS2EM16-2X/150B12T210K8EM

R901204762 4WS2EM16-2X/150B12T210K8EV

R900523581 4WS2EM16-2X/150B12T210Z8EM

R900555969 4WS2EM16-2X/150B12T210Z8EM-5

R901030788 4WS2EM16-2X/150B12T315K8CV

R900940047 4WS2EM16-2X/150B12T315K8CV-114

R900973350 4WS2EM16-2X/150B12T315K8DV

R900956539 4WS2EM16-2X/150B12T315K8EM

R900966097 4WS2EM16-2X/150B12T315K8EV

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R900526247 4WS2EM16-2X/150B12T315Z8DM

R900518978 4WS2EM16-2X/150B12T315Z8EM

R900905724 4WS2EM16-2X/150B12T315Z8EV

R901081104 4WS2EM16-2X/200B0T315K31CV-112

R901046868 4WS2EM16-2X/200B12ET210K8AV

R900508938 4WS2EM16-2X/200B12ET210K8EM

R900979140 4WS2EM16-2X/200B12ET210K8EV

R900573751 4WS2EM16-2X/200B12ET210Z8BM

R900520351 4WS2EM16-2X/200B12ET210Z8EM

R901321269 4WS2EM16-2X/200B12ET315K8CV-114

R900940675 4WS2EM16-2X/200B12ET315K8DM

R900926526 4WS2EM16-2X/200B12ET315K8DM-4

R900957873 4WS2EM16-2X/200B12ET315K8DV

R900960575 4WS2EM16-2X/200B12ET315K8EV

R900532551 4WS2EM16-2X/200B12ET315Z8AM

R900516631 4WS2EM16-2X/200B12ET315Z8EM

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R900714638 4WS2EM16-2X/200B12T210K8AV

R900960371 4WS2EM16-2X/200B12T210K8EV

R900528691 4WS2EM16-2X/200B12T210Z8EM

R900944630 4WS2EM16-2X/200B12T315K8CV-114

R900517018 4WS2EM16-2X/200B12T315K8EM

R900952568 4WS2EM16-2X/200B12T315K8EV

R900573647 4WS2EM16-2X/200B12T315Z8EM

R901274530 4WS2EM16-2X=150B12ET315K8DM

R901321268 4WS2EM16-2X=200B12T315K8EV

R900963535 4WS2EM16A-2X/100B12ET315K8EV

R900572036 4WS2EM16A-2X/100B12T315Z8EM

R900915850 4WS2EM16A-2X/150B12ET315Z8EM

R900555569 4WS2EM16A-2X/150B12T315Z8EM

R901411934 4WS2EM16A-2X/200B12-315K8CV-142

R900561771 4WS2EM16A-2X/200B12ET210K8EM

R900963618 4WS2EM16A-2X/200B12ET315K8EV

R900560919 4WS2EM16A-2X/200B12ET315Z8EM

R900551836 4WSE2ED16-2X/100B8ET315K9EM

R900565557 4WSE2ED16-2X/100B8T315K9EM

R900565550 4WSE2ED16-2X/100B8T315Z9EM

R900929588 4WSE2ED16-2X/100B8T315Z9EM-4

R900902043 4WSE2ED16-2X/100B9ET315K9DM

R900554840 4WSE2ED16-2X/100B9ET315K9EM

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R900517844 4WSE2ED16-2X/100B9ET315Z9EM

R900932885 4WSE2ED16-2X/100B9T210K9EM

R900960157 4WSE2ED16-2X/100B9T315K9EV

R900561797 4WSE2ED16-2X/100B9T315Z9EM

R901300846 4WSE2ED16-2X/150B8ET315K9EV

R901339408 4WSE2ED16-2X/150B8T210K9AV

R901302097 4WSE2ED16-2X/150B8T210K9EV

R900552434 4WSE2ED16-2X/150B8T210Z9CM

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R900536907 4WSE2ED16-2X/150B9ET210Z9EM

R900924984 4WSE2ED16-2X/150B9ET315K9DM

R900555506 4WSE2ED16-2X/150B9ET315K9EM

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R900945465 4WSE2ED16-2X/150B9T210K9AM

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R900518270 4WSE2ED16-2X/150B9T210Z9EM-2

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R900529314 4WSE2ED16-2X/150B9T315Z9EM

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R900244562 4WSE2ED16-2X/200B8T210K9EV

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R900566191 4WSE2EM16-2X/100B9ET315Z9EM

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R900526269 4WSE2EM16-2X/150B8T210Z9AM

R900527215 4WSE2EM16-2X/150B8T210Z9AM-3

R900931552 4WSE2EM16-2X/150B8T315Z9EM

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R900526270 4WSE2EM16-2X/200B8T210Z9AM

R900527216 4WSE2EM16-2X/200B8T210Z9AM-3

R900570291 4WSE2EM16-2X/200B9ET210Z9EM

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R900909514 4WSE2EM16-2X/200B9ET315Z9EM

R900972688 4WSE2EM16-2X/200B9T210K9EV

R900915232 4WSE2EM16-2X/200B9T210Z9EM

力士樂REXROTH四通伺服方向閥4WSE3E 16

R901245667 4WSE3E16V1-300E2X/MXT9/24K31A1

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R901212116 4WSE3E16V100D2X/VXY9/24K31C1

R901299904 4WSE3E16V100E2X/VXT9/15K31A1

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安全閥是啟閉件受外力作用下處于常閉狀態(tài)，當(dāng)設(shè)備或管道內(nèi)的介質(zhì)壓力升高超過規(guī)定值時，通過向系統(tǒng)外排放介質(zhì)來防止管道或設(shè)備內(nèi)介質(zhì)壓力超過規(guī)定數(shù)值的特殊閥門。安全閥屬于自動閥類，主要用于鍋爐、壓力容器和管道上，控制壓力不超過規(guī)定值，對人身安全和設(shè)備運行起重要保護作用。注安全閥必須經(jīng)過壓力試驗才能使用。