REXROTH比例閥4WRKE16E-125L3X/6EG24EK31/A1D3M 德國(guó)***博世力士樂(lè)REXROTH比例閥 比例方向閥 特價(jià)現(xiàn)貨 正確產(chǎn)品保證
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REXROTH比例閥4WRKE16E-125L3X/6EG24EK31/A1D3M
4WRKE..型比例控制閥
1.結(jié)構(gòu)和功能原理
該二位四通和三位四通比例方 向閥為直控,板式結(jié)構(gòu);由比例電磁操作,比例電磁.帶中心螺紋,圈可單獨(dú)拆卸,電磁的控制可通過(guò)外部放大器( WRA型)或內(nèi)置的放大器(WRAE型)實(shí)現(xiàn)。
結(jié)構(gòu):
該閥由下列部分組成:
帶安裝底面的閥體( 1 )
帶彈簧(3和4)的控制閥芯(2 )
帶中心螺紋的電磁鐵( 5和6 )
位移傳感器(7 )
可選帶內(nèi)置放大器( 8 )
機(jī)械零位調(diào)整(9 ),
工作原理:
電磁鐵(5和6 )不帶電時(shí),對(duì)中彈簧(3和4 )將控制閥芯(2 )保持在中位
比例電磁鐵得電被激勵(lì)后,會(huì)直接推動(dòng)控制閥芯( 2),例如:控制電磁"b" (6 )被激勵(lì),控制閥芯(2)被推向左側(cè),位移與輸入電信號(hào)成比例,這時(shí),P口至A口及B口至T口通過(guò)閥芯與閥體形成的節(jié)流溝通并具有漸進(jìn)的流量特性。電磁鐵( 6 )失電控制.閥芯(2)被對(duì)中彈簧(3)重新推回中位。
在電磁鐵失電的情況下,閥芯( 2 )在電磁跌復(fù)位彈簧的作用保持在機(jī)械中位。這對(duì)機(jī)能符號(hào)”V”的閥芯來(lái)說(shuō),與液壓中位無(wú)關(guān)!當(dāng)閥用于閉環(huán)控制而關(guān)閉時(shí),閥芯則置于液壓中位。
必須避免回油管路中的油全部排空, 必要時(shí)在回路中安裝背壓閥(背壓約2 bar)。
博世力士樂(lè)(BOSCH-REXROTH)比例閥,比例溢流閥,比例溢流閥,電液比例閥,比例換向閥,比例控制閥:
液壓閥的分類(lèi):
1根據(jù)結(jié)構(gòu)形式分類(lèi)
滑閥:滑閥為間隙密封,閥芯與閥口存在一定的密封長(zhǎng)度,因此滑閥運(yùn)動(dòng)存在一個(gè)死區(qū)。
錐閥:錐閥閥芯半錐角一 般為12?-20?,閥口關(guān)閉時(shí)為線密封,密封性能好且動(dòng)作靈敏。
球閥:性能與錐閥相同
2.根據(jù)控制制方式不同分:
定值或開(kāi)關(guān)控制閥:被控制量為定值的閥類(lèi),包括普通控制閥、插裝閥、疊加閥。
比例控制閥:被控制量與輸入信號(hào)成比例連續(xù)變化的閥類(lèi),包括普通比例閥和帶內(nèi)反饋的電液比例閥。
伺服控制閥:被控制量與(輸出與輸入之間的)偏差信號(hào)成比例連續(xù)變化的閥類(lèi),包括機(jī)液伺服閥和電液伺服閥。.
數(shù)字控制閥:用數(shù)字信息直接控制閥口的啟閉,來(lái)控制液流的壓力、流
量、方向的閥類(lèi)。
3.根據(jù)用途分:
壓力控制閥、流量控制閥、方向控制閥
方向控制閥的作用:在液壓系統(tǒng)中控制液流方向。
方向控制閥包括:單向閥和換向閥
單向閥包括:普通單向閥和液控單向閥
1.普通單向閥
使油液只能沿一個(gè)方向流動(dòng),反向則被截止的方向閥。
普通單向閥的應(yīng)用
常被安裝在泵的出口,一方面防止壓力沖擊影響泵的正常工作,另一方面防止泵不工作時(shí)系統(tǒng)油液倒流經(jīng)泵回油箱。
被用來(lái)分隔油路以防止高低壓干擾。:
與其他的閥組成單向節(jié)流閥、單向減壓閥、單向順序閥等復(fù)合閥。
安裝在執(zhí)行元件的回油路上,使回油具有一定背壓。作背壓閥的單向閥應(yīng)更換剛度非常大的彈簧,其正向開(kāi)啟壓力為( 0. 3~0.5) MPa。
2.液控單向閥
外泄式液控單向閥,內(nèi)泄式單向閥
工作原理:當(dāng)控制油口不通壓力油時(shí),油液只能從pi→P:當(dāng)控制油口通壓力油時(shí),正、反向的油液均可自由通過(guò)。
3.換向閥
換向閥是利用閥芯在閥體孔內(nèi)作相對(duì)運(yùn)動(dòng),使油路接通或切斷而改變油流方向的閥。
換向閥的分類(lèi)
按結(jié)構(gòu)形式可分:滑閥式、轉(zhuǎn)閥式、球閥式。
按閥體連通的主油路數(shù)可分:兩通、三通、四通...等。
按閥芯在閥體內(nèi)的工作位置可分:兩位、三位、四位等。
按操作閥芯運(yùn)動(dòng)的方式可分:手動(dòng)、機(jī)動(dòng)、電磁動(dòng)、液動(dòng)、電液動(dòng)等。
換向閥的中位機(jī)能,多位閥在不同工作位置時(shí),各油口的連通方式體現(xiàn)了換向閥的不同的控制機(jī)能,稱(chēng)之為換向閥的機(jī)能。對(duì)于三位閥,左、右位實(shí)現(xiàn)執(zhí)行元件的換向,中位則能滿足執(zhí)行元件處于非工作狀態(tài)時(shí)系統(tǒng)的不同要求。
比例控制閥型號(hào)
REXROTH力士樂(lè)比例閥4WRKE10E-100L3X/6EG24EK31/A1D3M
REXROTH力士樂(lè)比例閥4WRKE16E-125L3X/6EG24EK31/A1D3M
REXROTH力士樂(lè)比例閥4WRKE16E-200L3X/6EG24EK31/A1D3M
REXROTH力士樂(lè)比例閥4WRKE16W6-200P-3X/6EG24EK31/A1D3M
REXROTH力士樂(lè)比例閥4WRKE25E350L3X/6EG24EK31/A1D3M
REXROTH力士樂(lè)比例閥4WRKE32E600L-3X/6EG24K31/A1D3M
REXROTH力士樂(lè)比例閥4WRKE32W6-600L-3X/6EG24K31/A1D3M
REXROTH力士樂(lè)比例閥4WREE10E75-2X/G24K31/A1V
REXROTH力士樂(lè)比例閥4WREE6E32-2X/G24K31/A1V
REXROTH力士樂(lè)比例閥4WREE6W32-2X/G24K31/A1V
REXROTH力士樂(lè)比例閥4WRAE10E60-2X/G24K31/A1V R900954083
REXROTH力士樂(lè)比例閥4WRAE6E1-30-2X/G24K31/F1V
REXROTH力士樂(lè)比例閥4WRBA10W64-2X/G24N9Z4/M 0811404833
REXROTH力士樂(lè)比例閥4WREE6E32-2X/G24K31/F1V
REXROTH力士樂(lè)比例閥4WRKE16W6-200L-3X/6EG24ETK31/A1D3M
REXROTH力士樂(lè)比例閥4WRKE25E350L-3X/6EG24K31/F1D3M
REXROTH力士樂(lè)比例閥4WRL10V85M-3X/G24Z4/M 0811404094
REXROTH力士樂(lè)比例閥4WRL16V200M-3X/G24TZ4/M-765 0811404221
REXROTH力士樂(lè)比例閥4WRL25V370M-3X/G24Z4/M 0811404405
REXROTH力士樂(lè)比例閥4WRZ10W8-85-7X/6EG24N9ETK4/D3M
REXROTH力士樂(lè)比例閥4WRZ25E1-220-7X/6EG24N9K4/M
REXROTH力士樂(lè)比例閥4WRZ32W6-520-7X/6EG24N9ETK4/D3M
0811404035 REXROTH力士樂(lè)比例閥4WRPH6C3B24L-2X/G24Z4/M
0811404038 REXROTH力士樂(lè)比例閥4WRPH6C4 B24L-2X/G24Z4/M
0811404039 REXROTH力士樂(lè)比例閥4WRPH 6 C4 B40L-2X/G24Z4/M
0811404060 REXROTH力士樂(lè)比例閥4WRPH 10 C4 B50L-2X/G24Z4/M
0811404061 REXROTH力士樂(lè)比例閥4WRPH 10 C4 B100L-2X/G24Z4/M
0811404062 REXROTH力士樂(lè)比例閥4WRPH 10 C3 B50P-2X/G24Z4/M
0811404063 REXROTH力士樂(lè)比例閥4WRPH 10 C3 B100P-2X/G24Z4/M
比例閥的輸入單元是電-機(jī)械轉(zhuǎn)換器,它將輸入的電信號(hào)轉(zhuǎn)換成機(jī)械量轉(zhuǎn)換器有伺服電機(jī)和步進(jìn)電機(jī)力馬達(dá)和力矩馬達(dá)比例電磁鐵等形式。但常用的比例閥大都采用了比例電磁鐵,比例電磁鐵根據(jù)電磁原理設(shè)計(jì),能使其產(chǎn)生的機(jī)械量(力或力矩和位移)與輸入電信號(hào)(電流)的大小成比例,再連續(xù)地控制液壓閥閥芯的位置,進(jìn)而實(shí)現(xiàn)連續(xù)地控制液壓系統(tǒng)的壓力方向和流量。比例電磁鐵的結(jié)構(gòu),它由線圈、銜鐵推桿等組成,當(dāng)有信號(hào)輸入線圈時(shí),線圈內(nèi)磁場(chǎng)對(duì)銜鐵產(chǎn)生作用力,銜鐵在磁場(chǎng)中按信號(hào)電流的大小和方向成比例連續(xù)地運(yùn)動(dòng),再通過(guò)固連在一起的銷(xiāo)釘帶動(dòng)推桿運(yùn)動(dòng),從而控制滑閥閥芯的運(yùn)動(dòng)。應(yīng)用廣泛的比例電磁鐵是耐高壓直流比例電磁鐵。
力士樂(lè)REXROTH比例方向閥,先導(dǎo)式,帶整體電子放大版(OBE)和電氣位置反饋4WRKE
R900738436 4WRKE10E1-100L-3X/6EG24EK31/A1D3M
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壓力調(diào)節(jié)閥亦稱(chēng)自力式平衡閥、流量控制閥、流量控制器、動(dòng)態(tài)平衡閥、流量平衡閥,是一種直觀簡(jiǎn)便的流量調(diào)節(jié)控制裝置,管網(wǎng)中應(yīng)用流量調(diào)節(jié)閥可直接根據(jù)設(shè)計(jì)來(lái)設(shè)定流量,閥門(mén)可在水作用下,自動(dòng)清理管線的剩余壓頭及壓力波動(dòng)所引起的流量偏差,無(wú)論系統(tǒng)壓力怎樣變化均保持設(shè)定流量不變,該閥這些功能使管網(wǎng)流量調(diào)節(jié)一次完成,把調(diào)網(wǎng)工作變?yōu)楹?jiǎn)單的流量分配,有效的解決管網(wǎng)的水力失調(diào)。流量調(diào)節(jié)閥主要應(yīng)用于:集中供熱(冷)等水系統(tǒng)中,使管網(wǎng)流量按需分配,清理水系統(tǒng)水力失調(diào),解決冷熱不均問(wèn)題。
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R900760051 4WRKE16E2-125L-3X/6EG24EK31/A5D3M
R900722988 4WRKE16E2-125L-3X/6EG24K31/A1D3M
R900725878 4WRKE16E2-200L-3X/6EG24K31/A1D3M
R900727361 4WRKE16E200L-3X/6EG24EK31/A1D3M
R901018296 4WRKE16E200L-3X/6EG24EK31/A1D3M-280
R901220203 4WRKE16E200L-3X/6EG24EK31/A1D3M=XV
R901264209 4WRKE16E200L-3X/6EG24EK31/A1D3V
R900702613 4WRKE16E200L-3X/6EG24EK31/A5D3M
R900716837 4WRKE16E200L-3X/6EG24EK31/A5D3M-280
R901309338 4WRKE16E200L-3X/6EG24EK31/C1D3M
R900704207 4WRKE16E200L-3X/6EG24EK31/F1D3M
R901274208 4WRKE16E200L-3X/6EG24EK31/F1D3V
R900704916 4WRKE16E200L-3X/6EG24ETK31/A1D3M
R901430357 4WRKE16E200L-3X/6EG24ETK31/A1D3M-986
R901264207 4WRKE16E200L-3X/6EG24ETK31/A1D3V
R900775135 4WRKE16E200L-3X/6EG24ETK31/A1D3WC15M
R900707031 4WRKE16E200L-3X/6EG24ETK31/A5D3M
R901135022 4WRKE16E200L-3X/6EG24ETK31/A5D3V
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R901246113 4WRKE16E200L-3X/6EG24ETK31/F1D3V
R900973371 4WRKE16E200L-3X/6EG24K31/A1D3M
R901009340 4WRKE16E200L-3X/6EG24K31/A1D3M-280
R901123813 4WRKE16E200L-3X/6EG24K31/A1D3V
R900702241 4WRKE16E200L-3X/6EG24K31/A5D3M
R900713636 4WRKE16E200L-3X/6EG24K31/A5D3M-280
R900712760 4WRKE16E200L-3X/6EG24K31/C1D3M
R900749194 4WRKE16E200L-3X/6EG24K31/F1D3M
R901180382 4WRKE16E200L-3X/6EG24K31/F1D3V
R900737630 4WRKE16E200L-3X/6EG24TK31/A1D3M
R900737715 4WRKE16E200L-3X/6EG24TK31/A1D3WC15M
R900770882 4WRKE16E200L-3X/6EG24TK31/A5D3M
R900736867 4WRKE16E200L-3X/6EG24TK31/F1D3M
R901393023 4WRKE16E200L-3X=6EG24ETK31/A1D3M
R90770 4WRKE16E200P-3X/6EG24EK31/A1D3M
R900749735 4WRKE16E200P-3X/6EG24EK31/A5D3M
R900750891 4WRKE16E200P-3X/6EG24EK31/F1D3M
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R900729212 4WRKE16E200P-3X/6EG24ETK31/A1D3WC15M
R900732766 4WRKE16E200P-3X/6EG24ETK31/A5D3M
R900737776 4WRKE16E200P-3X/6EG24ETK31/A5D3WC15M
R900717513 4WRKE16E200P-3X/6EG24K31/A1D3M
R900712942 4WRKE16E200P-3X/6EG24K31/A5D3M
R900749736 4WRKE16E200P-3X/6EG24K31/F1D3M
R901293636 4WRKE16E200P-3X/6EG24TK31/A1D3M
R901115172 4WRKE16E200S-3X/6EG24ETK31/A1D3M
R901021979 4WRKE16E200S-3X/6EG24K31/A1D3M
R901380645 4WRKE16E220L-3X/6EG24K31/F1D3V
R901383949 4WRKE16E220P-3X/6EG24EK31/A1D3M
R901384482 4WRKE16E220P-3X/6EG24EK31/A1D3V
R901219703 4WRKE16E3-125L-3X/6EG24EK31/A1D3M
R901048837 4WRKE16E3-125L-3X/6EG24EK31/A5D3M
R901121445 4WRKE16E3-125L-3X/6EG24ETK31/A1D3M
R901135798 4WRKE16E3-125L-3X/6EG24ETK31/A1D3V
R901282390 4WRKE16E3-125L-3X/6EG24ETK31/A5D3M
R900786057 4WRKE16E3-125L-3X/6EG24ETK31/F1D3V
R901049852 4WRKE16E3-125L-3X/6EG24K31/F1D3V
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R901170282 4WRKE16E3-200L-3X/6EG24K31/A5D3M-280
R901050135 4WRKE16E3-200L-3X/6EG24K31/F1D3M
R901403425 4WRKE16E3-200L-3X/6EG24TK31/A5D3M
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R901281492 4WRKE16R125L-3X/6EG24EK31/A1D3V
R901165523 4WRKE16R125L-3X/6EG24ETK31/A1D3M
R901204073 4WRKE16R125L-3X/6EG24ETK31/A5D3M
R901179169 4WRKE16R200L-3X/6EG24EK31/A1D3M
R901344290 4WRKE16R200L-3X/6EG24EK31/F1D3M
R901009198 4WRKE16R200L-3X/6EG24ETK31/A1D3M
R901168466 4WRKE16R200L-3X/6EG24ETK31/A5D3M
R901077176 4WRKE16R200L-3X/6EG24K31/A1D3M
R901098189 4WRKE16R200L-3X/6EG24K31/A1D3V
R901225989 4WRKE16R200L-3X/6EG24K31/F1D3M
R901128913 4WRKE16R200P-3X/6EG24K31/A1D3M
R901011682 4WRKE16R3-125L-3X/6EG24EK31/A1D3M
R901183004 4WRKE16R3-125L-3X/6EG24ETK31/A1D3M
R901165622 4WRKE16R3-125L-3X/6EG24ETK31F1D3M
R901133523 4WRKE16R3-125L-3X/6EG24K31/A1D3M
R901392812 4WRKE16R3-125L-3X/6EG24K31/F1D3M
R901420831 4WRKE16R3-150L-3X/6EG24ETK31/F1D3V
R901032979 4WRKE16R3-200L-3X/6EG24EK31/A1D3M
R901225775 4WRKE16R3-200L-3X/6EG24EK31/A1D3M-280
R901071815 4WRKE16R3-200L-3X/6EG24ETK31/A1D3M
R901198595 4WRKE16R3-200L-3X/6EG24ETK31/A1D3V
R901052952 4WRKE16R3-200L-3X/6EG24ETK31/A5D3M
R901320014 4WRKE16R3-200L-3X/6EG24ETK31/C1D3V
R901298573 4WRKE16R3-200L-3X/6EG24ETK31/F1D3M
R901145412 4WRKE16R3-200L-3X/6EG24K31/A1D3M
R901139829 4WRKE16R3-200L-3X/6EG24K31/F1D3M
R901087600 4WRKE16R3-200P-3X/6EG24ETK31/F1D3M
R901409057 4WRKE16R3-200P-3X/6EG24K31/A1D3M
R901383487 4WRKE16R3-220L-3X/6EG24ETK31/A5D3M
R901018885 4WRKE16R5-125L-3X/6EG24EK31/A1D3M
R901433077 4WRKE16R5-125L-3X/6EG24ETK31/A1D3M
R901434795 4WRKE16R5-200L-3X/6EG24ETK31/A1D3M
R901332542 4WRKE16R5-200L-3X/6EG24K31/A1D3M
R901359071 4WRKE16W000P-3X/6EG24K31/A5D3M-987=DE
R900763112 4WRKE16W125L-3X/6EG24ETK31/A5D3M
R900751760 4WRKE16W2-125L-3X/6EG24K31/A1D3M
R900784144 4WRKE16W2-125L-3X/6EG24K31/A5D3M
R900742496 4WRKE16W2-200L-3X/6EG24ETK31/A1D3M
R901082987 4WRKE16W2-200L-3X/6EG24ETK31/A5D3M
R900751306 4WRKE16W2-200L-3X/6EG24K31/A5D3M
R900246011 4WRKE16W200P-3X/6EG24K31/A5D3M-693=DE
R900774342 4WRKE16W3-200L-3X/6EG24ETK31/A5D3M
R901262744 4WRKE16W3-200L-3X/6EG24K31/A5D3M
R900245460 4WRKE16W4-200L-3X/6EG24EK31/A1D3M
R901366331 4WRKE16W4-200L-3X/6EG24K31/A5D3M=KM
R900245461 4WRKE16W5-200L-3X/6EG24EK31/A1D3M
R900741856 4WRKE16W5-200L-3X/6EG24ETK31/A1D3M
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