力士乐电液比例控制阀4WRZ10W9-85-7X/6EG24ETK4/D3M

型号4WRH, 4WRZ, 4WRZE 

比例方向阀，先导式，无电位置反馈

比例阀是一种新型的液压控制装置。在普通压力阀、流量阀和方向阀上，用比例电磁铁替代原有的控制部分，按输入的电气信号连续地、按比例地对油流的压力、流量或方向进行远距离控制。比例阀一般都具有压力补偿性能，输出压力和流量可以不受负载变化的影响

比例阀介绍：

随着液压传动和液压伺服系统的发展， 生产实践中出现一些即要求能够连续的控制 压力、流量和方向，又不需要其控制精度很 高的液压系统。由于普通的液压元件不能满 足具有一定的伺服性要求，而使用电液伺服 阀又由于控制精度要求不高而过于浪费，因 此近几年产生了介于普通液压元件 （开关控制） 和伺服阀 （连续控制） 之间的比例控制 阀。

电液比例控制阀（简称比例阀）实质上是一种廉价的、抗污染性能较好的电液控制阀。比例阀的发展经历两条途径，一是用比例电磁铁取代传统液压阀的手动调节输入机构，在传统液压阀的基础下：发展起来的各种比例方向、压力和流量阀；二是一些原电液伺服阀生产厂家在电液伺服阀的基础上，降低设计制造精度后发展起来的。

比例阀的工作原理：

下图所示为比例阀工作原理框图。指令信号经比例放大器进行功率放大，并按比例输出电流给比例阀的比例电磁铁，比例电磁铁输出力并按比例移动阀芯的位置，即可按比例控制液流的流量和改变液流的方向，从而实现对执行机构的位置或速度控制。在某些对位置或速度精度要求较高的应用场合，还可通过对执行机构的位移或速度检测，构成闭环控制系统。

比例阀由直流比例电磁铁与液压阀两部分组成，比例阀实现连续控制的核心是采用了比例电磁铁，比例电磁铁种类繁多，但工作原理基本相同，它们都是根据比例阀的控制需要开发出来的。

比例阀由直流比例电磁铁与液压阀两部分组成，比例阀实现连续控制的核心是采用了比例电磁铁，比例电磁铁种类繁多，但工作原理基本相同，它们都是根据比例阀的控制需要开发出来的

规格10至52 

安装面按ISO 4401 

控制流量的方向和大小 

通过3通减压阀进行先导控制 

弹簧对中和主阀芯的反转动特点 

不同阀芯可遮盖 

用于4WRZE的集成控制电气元件(OBE) 

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R900246685 4WRZ16W6-150-7X/E/M

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R900245786 4WRZ10W85-7X/6EG24N9ETK4/M

R900245483 4WRZE10E50-7X/6EG24EK31/A1M

R900244930 4WRZ10W85-5X/6A24ETK4/D3M

R900244929 4WRZE10E85-7X/6EG24N9ETK31/A1V

R900244923 4WRZ25W8-325-7X/6EG24K4/M

R900244913 4WRZ10W1-85-5X/6A24N9ETK4/M

R900244765 4WRZ25W6-325-7X/6EG24N9ETK4/D3M

R900244705 4WRZ16E1-150-7X/6EG24N9K4/M

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R900244192 4WRZ32E1-520-7X/6EG24N9K4/M

R900244172 4WRZ16W6-100-7X/6EG24N9K4/D3M

R900025041 ZYLINDERSCHRAUBEM6X102,5-4WRZ16*

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R900977990 4WRZ10E1-85-7X/6EG24N9ETK4/M

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R900773400 4WRZE16E150-7X/6EG24N9EK31/A1M

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R900711716 4WRZ25E325-7X/6EG24ETK4/M

R900709133 4WRZ10W6-85-7X/6EG24N9EK4/M

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R900705138 4WRZE10W6-85-7X/6EG24N9ETK31/F1D3M

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R900704608 4WRZ32W8-520-7X/6EG24N9K4/D3M

R900704606 4WRZ25W8-325-7X/6EG24N9K4/D3M

R900704477 4WRZ25W8-325-7X/6EG24N9ETK4/D3M

R900704206 4WRZ10W6-85-7X/6EG24N9ETK4/D3M

R900703652 4WRZ32W8-360-7X/6EG24N9EK4/D3M

R900703031 4WRZ16W8-100-7X/6EG24N9EK4/D3M

R900703030 4WRZ16E1-100-7X/6EG24N9ETK4/D3M

R900618031 4WRZE16W8-150-7X/6EG24N9K31/A1D3M

R900617676 4WRZE10E85-7X/6EG24N9ETK31/A1D3M

R900617169 4WRZE16W6-150-7X/6EG24K31/A1D3M

R900616671 4WRZ10W8-50-7X/6EG24N9K4/M

R900616436 4WRZE25W5-325-7X/6EG24N9ETK31/F1D3V

R900555558 4WRZ16E150-6X/6AG24NETK4/M

R900249814 4WRZ16W6-150-7X/6EG24N9TK4/M

R900249373 4WRZE16W8-150-7X/6EG24N9K31/F1M

R900248227 4WRZ16E150-7X/6EG24N9ETK4/M

R900246980 4WRZ10W8-85-7X/6EG24N9K4/D3M

R900246879 4WRZ32W6-520-7X/6EG24N9EK4/D3M

R900246100 4WRZ10W8-85-7X/6EG24ETK4/D3M

R900244765 4WRZ25W6-325-7X/6EG24N9ETK4/D3M

R900244673 4WRZ25E1-220-7X/6EG24N9K4/M

R900244328 4WRZ10W8-25-7X/6EG24N9EK4/D3M

R900244327 4WRZ16W8-150-7X/6EG24N9EK4/D3M

R900244192 4WRZ32E1-520-7X/6EG24N9K4/M

R900244172 4WRZ16W6-100-7X/6EG24N9K4/D3M

型号 4WRKE 

规格10至35 

安装面按ISO 4401 

控制流量的方向和大小 

通过3通比例方向阀进行先导控制，无位置反馈 

主阀芯的弹簧对中 

R901179163 4WRKE25E1-220L-3X/6EG24K31/A1D3M-280

R901153191 4WRKE25W6-220L-3X/6EG24TK31/A1D3M

R901146772 4WRKE10W8-100L-3X/6EG24EK31/F1D3M

R901144327 4WRKE10W8-100L-3X/6EG24K31/F1D3M

R901136533 4WRKE35W6-1000L-3X/6EG24K31/A1D3M

R901121866 4WRKE10E25L-3X/6EG24EK31/A1D3M-280

R901120323 4WRKE10R3-50L-3X/6EG24ETK31/F1D3V

R901119151 4WRKE10E1-50L-3X/6EG24K31/A1D3M

R901115085 4WRKE27W8-500L-3X/6EG24ETK31/F1D3M

R901093095 4WRKE32W8-600L-3X/6EG24EK31/F1D3M

R901092786 4WRKE27E500L-3X/6EG24K31/A1D3M

R901092067 4WRKE16W6-200P-3X/6EG24EK31/F1D3M

R901088904 4WRKE32W6-600L-3X/6EG24EK31/A1D3M

R901069770 4WRKE16E200P-3X/6EG24EK31/A1D3M

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R901051256 4WRKE16W8-125L-3X/6EG24ETK31/A1D3V

R901049852 4WRKE16E3-125L-3X/6EG24K31/F1D3V

R901041512 4WRKE27W6-500L-3X/6EG24EK31/A1D3M

R901033473 4WRKE32E600L-3X/6EG24EK31/A1D3M

R901030855 4WRKE25E350L-3X/6EG24K31/A1D3M-280

R901030854 4WRKE16E125L-3X/6EG24K31/A1D3M-280

R901024647 4WRKE35E1000L-3X/6EG24K31/A1D3M-280

R901022395 4WRKE25W6-220L-3X/6EG24K31/A1D3M

R901017928 4WRKE16W6-200P-3X/6EG24EK31/A1D3M

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R900702633 4WRKE10W6-50L-3X/6EG24ETK31/A5D3M

R900702614 4WRKE10E100L-3X/6EG24EK31/A5D3M

R900702613 4WRKE16E200L-3X/6EG24EK31/A5D3M

R900702610 4WRKE10W6-50L-3X/6EG24EK31/A5D3M

R900702609 4WRKE10E50L-3X/6EG24EK31/A5D3M

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R900701445 4WRKE16W6-200L-3X/6EG24TK31/A1D3M

R900700594 4WRKE10E100L-3X/6EG24TK31/A5D3M-574

R900700305 4WRKE25E3-350P-3X/6EG24EK31/A1D3M

R900641220 KOLBEN4WRKE25W000-20/-435

R900631248 GEHAEUSE4WRKE10.-10/-REGLER

R900631247 DECKEL4WRKE10.-10/-REGLER

R900617303 4WRKE16W6-125L-3X/6EG24K31/A1D3M

R900616821 4WRKE27W6-500L-3X/6EG24K31/A5D3M

R900616658 4WRKE10W8-50L-3X/6EG24ETK31/A1D3M

R901138077 4WRKE16W6-200L-3X/6EG24ETK31/C1D3V

R901136533 4WRKE35W6-1000L-3X/6EG24K31/A1D3M

R901135910 4WRKE35E1000L-3X/6EG24TK31/A1D3M

R901133523 4WRKE16R3-125L-3X/6EG24K31/A1D3M

R901133144 4WRKE27E500L-3X/6EG24K31/F1D3M

R901133143 4WRKE25E220L-3X/6EG24K31/F1D3M

R901132750 4WRKE32W2-600L-3X/6EG24K31/A5D3M

R901131241 4WRKE10W6-25L-3X/6EG24K31/A1D3M

R901130165 4WRKE27E500L-3X/6EG24K31/C1D3M

R901130162 4WRKE16E125L-3X/6EG24K31/C1D3M

R901129810 4WRKE16W6-125L-3X/6EG24K31/F1D3V

R901129320 4WRKE10E50L-3X/6EG24K31/A5D3M-259

R901128913 4WRKE16R200P-3X/6EG24K31/A1D3M

R901127413 4WRKE35W8-1000L-3X/6EG24EK31/F1D3M

R901127306 4WRKE16R125L-3X/6EG24EK31/A1D3M

R901126339 4WRKE27W8-500L-3X/6EG24ETK31/A5D3M

R901125661 4WRKE10E100L-3X/6EG24EK31/F1D3M

R901125572 4WRKE25W6-220L-3X/6EG24ETK31/F1D3M

博世Bosch Rexroth力士乐上海优势供应阀系列产品如下：

力士乐Rexroth电磁阀，力士乐Rexroth比例阀，力士乐Rexroth溢流阀，力士乐Rexroth调节阀，力士乐Rexroth液压阀，Rexroth solenoid valve ,力士乐换向阀，博世电磁阀，Bosch电磁阀，Bosch液压阀，Bosch气动阀，Bosch Rexroth液压元件，力士乐Rexroth节流阀，Bosch Rexroth力士乐截止阀，Bosch博世 Rexroth单向阀，Bosch Rexroth流量阀，Bosch Rexroth比例溢流阀，博世力士乐换向阀，Bosch博世力士乐Rexroth压力阀，Bosch博世Rexroth力士乐比例阀，比例阀, Bosch博世Rexroth力士乐高频响阀和伺服阀，Bosch博世Rexroth力士乐先导式比例方向阀，Bosch博世Rexroth力士乐直动式比例方向阀，力士乐比例流量控制阀，博世力士乐高频响方式阀，博世力士乐伺服阀，力士乐Rexroth比例减压阀,Bosch博世Rexroth力士电子元件,力士乐Bosch Rexroth开关阀，力士乐Bosch Rexroth方向滑阀，力士乐Bosch减压阀，力士乐Bosch Rexroth方流量控制阀，力士乐Bosch Rexroth方截止阀-梭阀，力士乐Bosch Rexroth压力截止阀，力士乐Rexroth插装阀，力士乐Rexroth压力截止阀，力士乐Rexroth控制阀块。

博世Bosch Rexroth力士乐上海优势供应泵系列产品如下

博世力士乐Rexroth轴向柱塞泵，博世力士乐Rexroth径向柱塞泵，博世力士乐Rexroth联泵，博世力士乐Rexroth内啮合齿轮泵，力士乐Rexroth外啮合齿轮泵，博世Bosch Rexroth力士乐叶片泵，博世Bosch Rexroth力士乐变量泵，博世Bosch Rexroth力士乐定量泵