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(dá))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(jìn)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(jìn)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(jìn)一步控制液壓參數(shù)。

（3）電液式 電液式是指采用力矩馬達(dá)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(dá)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(dá)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(jìn)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(jìn)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(dá)、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(biāo)準(zhǔn)。 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(dá)）(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(dá)）組成。

力矩馬達(dá)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(dá)。閥芯的位置將改變，直到彎曲彈簧的反饋扭矩和力矩馬達(dá)的電磁扭矩達(dá)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(jìn)行過調(diào)整的控制電子元件 (10)。它們與位于力矩馬達(dá)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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R901096114 4WS2EM10-5X/5B11ET315K31DV

R900785537 4WS2EM10-5X/5B11ET315K31EV

R901265953 4WS2EM10-5X/5B11ET315K8AV

R901223404 4WS2EM10-5X/5B11ET315K8BV

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

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

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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

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R900419360 4WS2EE16-2X/175B2T70Z8B

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R900497668 4WS2EE16-2X/200B2E140Z8B

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R900475808 4WS2EE16-2X/200B2T210Z8B

R900475266 4WS2EE16-2X/200B2T315Z8A

R900457756 4WS2EE16-2X/200B2T70Z8A

R900461893 4WS2EE16-2X/200B2T70Z8B

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R900978618 4WS2EM16-2X/100B12ET210K8EV

R900512429 4WS2EM16-2X/100B12ET210Z8EM

R900732186 4WS2EM16-2X/100B12ET315K8DV

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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

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R901241483 4WS2EM16-2X/150B12ET210K8EV

R900519491 4WS2EM16-2X/150B12ET210Z8EM

R900519258 4WS2EM16-2X/150B12ET210Z8EV

R901443881 4WS2EM16-2X/150B12ET315K8CV

R901321271 4WS2EM16-2X/150B12ET315K8CV-114

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R901367146 4WS2EM16-2X/150B12ET315K8DM-102

R900937019 4WS2EM16-2X/150B12ET315K8DV

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R900928906 4WS2EM16-2X/150B12ET315Z8AM

R900527278 4WS2EM16-2X/150B12ET315Z8CV

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R900520727 4WS2EM16-2X/150B12ET315Z8EM

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R900522193 4WS2EM16-2X/150B12T210K8EM

R901204762 4WS2EM16-2X/150B12T210K8EV

R900523581 4WS2EM16-2X/150B12T210Z8EM

R900555969 4WS2EM16-2X/150B12T210Z8EM-5

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R900940047 4WS2EM16-2X/150B12T315K8CV-114

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R900956539 4WS2EM16-2X/150B12T315K8EM

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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

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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

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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

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R900517844 4WSE2ED16-2X/100B9ET315Z9EM

R900932885 4WSE2ED16-2X/100B9T210K9EM

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R900561797 4WSE2ED16-2X/100B9T315Z9EM

R901300846 4WSE2ED16-2X/150B8ET315K9EV

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R901302097 4WSE2ED16-2X/150B8T210K9EV

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R900518270 4WSE2ED16-2X/150B9T210Z9EM-2

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R900526269 4WSE2EM16-2X/150B8T210Z9AM

R900527215 4WSE2EM16-2X/150B8T210Z9AM-3

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R900527216 4WSE2EM16-2X/200B8T210Z9AM-3

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R900972688 4WSE2EM16-2X/200B9T210K9EV

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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(hù)作用。注安全閥必須經(jīng)過壓力試驗才能使用。