上海韦米机电设备有限公司

4WRTE16V200L-4X/6EG24ETK31/A1M比例方向阀 德国进口博世力士乐REXROTH比例阀 比例方向阀

库存现货力士乐液压元件: 柱塞泵A10VSO、电磁阀4WE、电磁阀3WE、溢流阀DBW、DBDS、DB、3DR、节流阀Z2S、Z2F、叶片泵PV7、PVV、齿轮泵PH2,PH4,PGF、HM20/HM17压力传感器、压力继电器HED、博世放大器、放大板 、阀0811、0820 、齿轮泵0510、减压阀DR、ZDR、4WREE,马达伺服驱动 电机等系列产品

4WRTE16V200L-4X/6EG24ETK31/A1M比例方向阀

比例控制阀

采用比例电磁铁(或力矩马达)将输入信号转换成力或阀的机械位移，使阀的输出(压力、流量)也按照其输入量连续、成比例地进行控制的阀。

大型钢厂现场使用的比例阀主要有下表中的几种:伺服比例控制阀、比例控制阀、电液比例控制阀，比例阀，伺服阀。

1、4WRTE型比例伺服控制阀(高频响阀)

结构和功能

4WRTE型阀是三级高频响方向阀。该阀可用于开环控制或闭环调节液流的大小和方向，但主要用于闭环调节回路中。

阀主要由下列部分组成:

1.二级先导控制阀由力矩马达( 1 )和由喷嘴挡板阀构成的液压放大器( 5),和用作流量放大级的阀芯衬套组件(6 )(用以控制第三级(7 ))组成。

2.第三级(7)用于流量控制。

3.感应式位移传感器( 8),连接第三级主阀芯( 10)的磁芯(9 )

通过内置电子放大器实现阀闭环控制信号逻辑连接,位置检测系统反馈,和先导阀的控制。

给定值/实际值比较得到的差动电压经过电子控制器放大, 并作为控制偏差量传递到阀的一级。这个信号推动两个控制喷嘴( 3.1, 3.2) 之间的挡板( 2)因而在两个控制腔(11.1.11.2)产生了压差。控制阀芯(4 )因此被推动,并通过相应的液流流到弹簧腔(12.1or12.2)阀芯(10)和带磁芯(9)的位移传感器(8)-直运动,直到实际值和给定值信号再一次相等。在控制条件下;主阀芯( 10 )一直被保持在给定值所对应的位置。

阀芯行程和给定值成正比。通过阀芯( 10 )相对于控制边( 13 )的位置,形成相应的与流量成正比的阀口开度。

阀的动态特性通过电子放大器优化。电子放大器内置于阀上(振荡器,解调器)

零点调节由厂家预先设定,通过闭环控制电子放大器内的电位器, 零点能在名义行程士10%范围内调整。移去阀盖尾部的插头,可以对内置闭环电子放大器进行操作。

换向阀主要由阀体、密封组件、凸轮、阀杆、手柄和阀盖等零部件组成(图1)。阀门由手柄驱动，通过手柄带动阀杆与凸轮旋转，凸轮具有定位驱动与锁定密封组件的开启与关闭功能。手柄逆时针旋转，两组密封组件分别在凸轮的作用下关闭下端的两个通道，上端的两个通道分别与管道装置的进口相通。反之，上端的两个通道关闭，下端两个通道与管道装置的进口相通，实现了不停车换向。

4WRTE16V200L-4X/6EG24ETK31/A1M比例方向阀型号

力士乐REXROTH三位四通高响应换向阀、先导式、电气位置反馈和集成电子放大版（OBE）4WRTE

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R900969573 4WRTE10X00L-4X/6EG24ETK31/A1M-592

R901246077 4WRTE16E1-125L-4X/6EG24EK31/F1M

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R901276446 4WRTE16E1-200L-4X/6EG24ETK31/A5M-280

R901254937 4WRTE16E1-200L-4X/6EG24ETK31/A5M=LB

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R901126879 4WRTE16E1-200L-4X/6EG24K31/F1V

R901072855 4WRTE16E1-200L-4X/6EG24TK31/A5M

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R901206232 4WRTE16E1-200P-4X/6EG24ETK31/A5M

R900978843 4WRTE16E125L-4X/6EG24K31/A5M=LB

R901098097 4WRTE16E125L-4X/6EG24TK31/A5M

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R901117758 4WRTE16E200L-4X/6EG24EK31/A5V

R900978844 4WRTE16E200L-4X/6EG24K31/A5M=LB

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R901422660 4WRTE16E200L-4X/6EG24TK31/F1M

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R901348137 4WRTE16E200R-4X/6EG24K31/A5M

R901313717 4WRTE16E200R-4X/6EG24TK31/A5M=LB

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R901418231 4WRTE16E220L-4X/6EG24ETK31/A1M

R901430240 4WRTE16E220L-4X/6EG24K31/A1M

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R901384714 4WRTE25V350P-4X/6EG24K31/A5M

R901352984 4WRTE25V5-350P-4X/6EG24TK31/A5M

R901212956 4WRTE25W6-220L-4X/6EG24EK31/F1M

R901417696 4WRTE25W6-220L-4X/6EG24K31/A1V

R901341954 4WRTE25W6-220L-4X/6EG24K31/F1M

R901342143 4WRTE25W6-220L-4X/6EG24K31/F1V

R978007766 4WRTE25W6-350L-4X/6EG24ETK31/A5M

R901207007 4WRTE25W6-350L-4X/6EG24ETK31/F1V

R901235033 4WRTE25W6-350L-4X/6EG24ETK31/F1WB15M

R978919344 4WRTE25W6-350L-4X/6EG24K31/A5M

R901079443 4WRTE25W6-350L-4X/6EG24K31/F1M

R901215670 4WRTE25W6-350L-4X/6EG24K31/F1V

R901223160 4WRTE25W6-350P-4X/6EG24ETK31/A1M

R901212529 4WRTE25W6-350P-4X/6EG24K31/F1M

R901293999 4WRTE25W8-220L-4X/6EG24EK31/F1V

R901093690 4WRTE25W8-220L-4X/6EG24K31/A1M

R901155089 4WRTE25W8-220L-4X/6EG24K31/F1M

R901403887 4WRTE25W8-220L-4X/6EG24K31/F1V

R901207350 4WRTE25W8-220L-4X/6EG24TK31/F1M

R901090630 4WRTE25W8-350L-4X/6EG24EK31/A1V

R901370619 4WRTE25W8-350L-4X/6EG24EK31/A5M-280

R901091326 4WRTE25W8-350L-4X/6EG24EK31/A5V

R901322335 4WRTE25W8-350L-4X/6EG24ETK31/A5M=LB

R901121430 4WRTE25W8-350L-4X/6EG24ETK31/F1M

R901322980 4WRTE25W8-350L-4X/6EG24ETK31/F1V

R901094207 4WRTE25W8-350L-4X/6EG24K31/A1V

R901076888 4WRTE25W8-350L-4X/6EG24K31/F1M

R901444957 4WRTE27E1-500L-4X/6EG24EK31/A1WB15M

R901225328 4WRTE27E1-500L-4X/6EG24EK31/A5M

R901339436 4WRTE27E1-500L-4X/6EG24EK31/A5V

R901380593 4WRTE27E1-500L-4X/6EG24ETK31/F1M

R901016732 4WRTE27E1-500L-4X/6EG24K31/A1M

R901356860 4WRTE27E1-500L-4X/6EG24K31/A5M

R901349435 4WRTE27E1-500L-4X/6EG24K31/F1M

R901117791 4WRTE27E1-500P-4X/6EG24EK31/A1M

R901174766 4WRTE27E500L-4X/6EG24EK31/A1M

R901254425 4WRTE27E500L-4X/6EG24EK31/F1M

R901349438 4WRTE27E500L-4X/6EG24K31/F1M

R901422545 4WRTE27E500L-4X/6EG24TK31/A1M

R901127618 4WRTE27E500P-4X/6EG24K31/A5M

R901120326 4WRTE27Q2-500P-4X/6EG24K31/A1M

R901132052 4WRTE27Q2-500P-4X/6EG24K31/A5WB15M

R901218944 4WRTE27R500L-4X/6EG24ETK31/A5M

R901116051 4WRTE27V1-500L-4X/6EG24EK31/F1M

R901356557 4WRTE27V1-500L-4X/6EG24ETK31/A1M

R901119763 4WRTE27V1-500L-4X/6EG24ETK31/A5M

R901180641 4WRTE27V1-500L-4X/6EG24ETK31/F1M

R901310512 4WRTE27V1-500L-4X/6EG24K31/A1M

R901284895 4WRTE27V1-500L-4X/6EG24K31/A5M

R901349441 4WRTE27V1-500L-4X/6EG24K31/F1M

R901309465 4WRTE27V500L-4X/6EG24ETK31/F1M

R901110479 4WRTE27V500L-4X/6EG24K31/F1M

R901212549 4WRTE27V500P-4X/6EG24EK31/A1M

R901185058 4WRTE27V500P-4X/6EG24EK31/F1M

R901351160 4WRTE27V500P-4X/6EG24ETK31/F1M

R901349445 4WRTE27W6-500L-4X/6EG24K31/F1M

R901072889 4WRTE27W6-500L-4X/6EG24K31/F1V

R901359422 4WRTE27W8-500L-4X/6EG24EK31/F1M

R901094203 4WRTE27W8-500L-4X/6EG24K31/A1V

R901162070 4WRTE27W8-500L-4X/6EG24K31/A5M

R901097371 4WRTE27W8-500L-4X/6EG24K31/F1M

R901403261 4WRTE27W8-500L-4X/6EG24K31/F1V

R901321580 4WRTE27W8-500P-4X/6EG24K31/A5M

R901180765 4WRTE32E1-400L-4X/6EG24K31/A1WB15M

R901253094 4WRTE32E1-600L-4X/6EG24EK31/F1V

R901225556 4WRTE32E1-600L-4X/6EG24ETK31/A1M

R901145118 4WRTE32E1-600L-4X/6EG24ETK31/A5WB15M

R901307562 4WRTE32E1-600L-4X/6EG24ETK31/F1M

R901190181 4WRTE32E1-600L-4X/6EG24K31/A1V

R901160745 4WRTE32E1-600L-4X/6EG24K31/A1WB15M

R901262579 4WRTE32E1-600L-4X/6EG24K31/A5M

R901349447 4WRTE32E1-600L-4X/6EG24K31/F1M

R901131400 4WRTE32E400L-4X/6EG24K31/A1V

R901238652 4WRTE32E400L-4X/6EG24K31/F1M

R901066924 4WRTE32E600L-4X/6EG24ETK31/A5M

R901131398 4WRTE32E600L-4X/6EG24K31/A1V

R901307116 4WRTE32E600L-4X/6EG24K31/A1WB15M

R901349451 4WRTE32E600L-4X/6EG24K31/F1M

R901374965 4WRTE32E600P-4X/6EG24ETK31/A1V

R901445270 4WRTE32E600P-4X/6EG24ETK31/F1M

R901412101 4WRTE32E600P-4X/6EG24ETK31/F1V

R901235556 4WRTE32E600P-4X/6EG24K31/A5M

R901174373 4WRTE32Q2-600P-4X/6EG24ETK31/A5M

R901164449 4WRTE32R1-600L-4X/6EG24K31/A1WB15M

R901323939 4WRTE32V1-600L-4X/6EG24EK31/A1M

R901362850 4WRTE32V1-600L-4X/6EG24K31/A1V

R901446711 4WRTE32V1-600P-4X/6EG24K31/A1M

R901190180 4WRTE32V400L-4X/6EG24K31/A1V

R901094076 4WRTE32V400L-4X/6EG24K31/A1WB15M

R901170733 4WRTE32V400P-4X/6EG24ETK31/A1V

R901126386 4WRTE32V400P-4X/6EG24ETK31/A1V-280

R901407812 4WRTE32V400P-4X/6EG24ETK31/F1M

R901352981 4WRTE32V400P-4X/6EG24K31/A1M

R901136768 4WRTE32V5-600P-4X/6EG24TK31/A1M

R901164193 4WRTE32V600L-4X/6EG24ETK31/A1M

R901190179 4WRTE32V600L-4X/6EG24K31/A1V

R901307348 4WRTE32V600P-4X/6EG24EK31/A1M-280

R901116727 4WRTE32V600P-4X/6EG24ETK31/A1V-280

R901412107 4WRTE32V600P-4X/6EG24ETK31/F1V

R901227848 4WRTE32V600P-4X/6EG24K31/A1M

R901160781 4WRTE32V600P-4X/6EG24TK31/A1V-280

R901384897 4WRTE32V600P-4X/6EG24TK31/A5M

R901392815 4WRTE32W6-400L-4X/6EG24EK31/F1M

R901269495 4WRTE32W6-400P-4X/6EG24K31/F1M

R901089845 4WRTE32W6-600L-4X/6EG24EK31/A1M

R901102528 4WRTE32W6-600L-4X/6EG24K31/A5M

R901216920 4WRTE32W6-600L-4X/6EG24K31/F1M

R987171978 4WRTE32W6-600P-4X/6EG24K31/A1M

R901295949 4WRTE32W8-400L-4X/6EG24EK31/A1M

R901287893 4WRTE32W8-400L-4X/6EG24ETK31/F1M

R901105809 4WRTE32W8-600L-4X/6EG24EK31/A5M

R901111511 4WRTE32W8-600L-4X/6EG24ETK31/F1M

R901178229 4WRTE32W8-600L-4X/6EG24K31/F1M

R901374555 4WRTE32-E600P-4X/6EG24K31/A1V

R901253763 4WRTE35E1-1000L-4X/6EG24EK31/F1V

R901187312 4WRTE35E1-1000L-4X/6EG24ETK31/A1M

R901077004 4WRTE35E1-1000L-4X/6EG24K31/A1M

R901242220 4WRTE35E1-1000L-4X/6EG24K31/A1V

R901161014 4WRTE35E1-1000L-4X/6EG24K31/A1WB15M

R901349455 4WRTE35E1-1000L-4X/6EG24K31/F1M

R901207448 4WRTE35E3-1000L-4X/6EG24K31/A1M

R901407244 4WRTE35Q2-1000L-4X/6EG24ETK31/A5M

R900972121 4WRTE35Q2-1000P-4X/6EG24ETK31/A1WB152M

R901206645 4WRTE35Q2-1000P-4X/6EG24ETK31/A5M

R901172061 4WRTE35Q2-1000P-4X/6EG24ETK31/A5WB15M

R901212804 4WRTE35V1-1000L-4X/6EG24ETK31/F1M

R901309469 4WRTE35V1000L-4X/6EG24ETK31/F1M

R901135021 4WRTE35V1000L-4X/6EG24K31/A5WB15M

R901360910 4WRTE35V1000P-4X/6EG24K31/A1M

R901116120 4WRTE35V1000P-4X/6EG24K31/A1M-280

R901294422 4WRTE35V1000P-4X=6EG24TK31/A1V-956

R901111512 4WRTE35W6-1000L-4X/6EG24EK31/F1M

R901120543 4WRTE35W6-1000L-4X/6EG24K31/A1M

R901349456 4WRTE35W6-1000L-4X/6EG24K31/F1M

R901250171 4WRTE35W8-1000L-4X/6EG24EK31/A1M

R901251104 4WRTE35W8-1000L-4X/6EG24EK31/A1V

R901097373 4WRTE35W8-1000L-4X/6EG24ETK31/F1M

液压比例控制系统

以比例控制元件完成动力与运动方向控制，分为比例压力阀、比例流量阀、比例方向阀及比例方向流量阀，可为模拟量输入或数字量输入，视是否带反馈分为开环控制与闭环控制，一般获得频率不是很高(10HZ)以内，高频响阀可实现较高频率。

若精度要求不高可考虑使用电液比例控制系统，一般电液比例控制系统可达至以下精度

位置精度- 3 mm

速度精度带压力补偿器- 3%

加减速斜坡时间-0.5秒

压力带位移传感器的产品-比例压力阀设定的0.3% (如压力设定为200bar,精度可达0.6bar)

一般的多驱动器液压系统皆要求流量及压力控制，提供比例压力及流量控制系统

开环式比例压力及流量控制可用于定量泵及变量泵系统。