0811404064比例阀价格

0811404064比例阀价格 德国进口博世力士乐REXROTH比例阀 比例溢流阀 比例控制阀

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0811404064比例阀价格

(1)比例环节

比例环节也称为无惯性环节,对液压缸或马达，忽略液压油的可压缩性和泄漏,液压缸的流量Q= VA。其中V为活塞速度;A为活塞面积。其传递函数为: g(s)= V (s)/Q(s)= 1/A =式中K为比例环节放大系数或增益,表示输入量经过放大K倍后输出。

(2)比例控制系统

比例控制系统根据有无反馈分为开环控制和闭环控制。如比例阀控制液压缸或马达系统可以实现速度位移转速和转矩等的控制。

由于开环控制系统的精度比较低,无级调节系统输入量就可以无级调节系统输出量力速度以及加减速度等。这种控制系统的结构组成简单,系统的输出端和输入端不存在反馈回路,系统输出量对系统输入控制作用没有影响,没有自动纠正偏差的能力,其控制精度主要取决于关键元器件的特性和系统调整精度，所以只能应用在精度要求不高并且不存在内外干扰的场合。开环控制系统一.般不存在所谓稳定性问题。

闭环控制系统(即反馈控制系统)的优点是对内部和外部干扰不敏感，系统工作原理是反馈控制原理或按偏差调整原理。这种控制系统有通

过负反馈控制自动纠正偏差的能力。但反馈带来了系统的稳定性问题，只要系统稳定，闭环控制系统可以保持较高的精度。因此, 目前普遍采用闭环控制系统。

(1)根据用途和被控对象选择比例阀的类型;

(2)正确了解比例阀的动静态指标主要有额定输出流量、起始电流滞环重复精度额定压力损失温飘、响应特性频率特性等;

(3)根据执行器的工作精度要求选择比例阀的精度,内含反馈闭环阀的稳态性动态品质好。如果比例阀的固有特性如滞环非线性等无法使被控系统达到理想的效果时,可以使用软件程序改善系统的性能;

(4)如果选择带先导阀的比例阀，要注意先导阀对油液污染度的要求。-般应符合ISO 18/5标准,并在油路上加装过滤精度为10um以下的进油过滤器;

(5)比例阀的通径应按执行器在高速度时通过的流量来确定,通径选得过大，会使系统的分辨率降低:

(6)比例阀必须使用与之配套的放大器,阀与放大器的距离应尽可能地短。

 

控制阀在电力行业中种类与选型

1、给水阀主、副锅炉给水阀、复合型给水调节阀：

控制要求：控制锅炉进水，维持汽锅液位与蒸汽流量。

工况要求：锅炉启动时阀门压差可达100-300公斤，流量较小，正常运行时压差较小，流量大，流量可调比为75:1-100:1。

阀门要求：阀体材质为WCB/WC9，对于双阀系统中的启动阀要求抗气蚀，V级关闭等级，对于复合型给水阀需使用特性化阀内件同时满足锅炉启动与正常运行时的需要。一般阀门选择为故障关，(需要注意的是一般给水中为消除溶解其中的氧会加入联胺进行处理，它会对SATELLITE6号合金或其它的类似合金产生不良反应，所以较好不使用316 STELLITE堆焊的方法处理阀内件，可直接选用416不锈钢材料)。

2、锅炉给水泵较小流量循环阀：

控制要求：使锅炉给水泵安全启动及运行，消除因流量过小、温升增加、水强烈气蚀使泵损坏。(老式电站有使用开关型的较小流量控制阀，同时还有使用机械式的泵自动循环阀)。

工况情况：压降达160-350公斤，是电站系统中承受压差较大的阀门，流量一般为正常流量的30%。

阀门要求：抗气蚀，防堵结构，V级密封等级，泵启动与停止运行时阀门连续工作，泵正常启动后次阀门关阀，阀门通常为故障开。

0811404064比例阀供应型号

博世力士乐rexroth传感器 力士乐bosch 力士乐博世传感器

0811404120  REXROTH比例阀4WRP 6 W14S-1X/G24Z4/M

0811404121  REXROTH比例阀4WRP 6 W28S-1X/G24Z4/M

0811404122  REXROTH比例阀4WRPH 6 C3 B04L-1X/G24Z4/M

0811404123  REXROTH比例阀4WRBA 6 E07-2X/G24N9Z4/M

0811404124  REXROTH比例阀4WRBA 6 W15-2X/G24N9Z4/M-897

0811404125  REXROTH比例阀4WRBA 6 W07-2X/G24N9Z4/M

0811404126  REXROTH比例阀4WRP 6 W06S-1X/G24Z4/M

0811404128  REXROTH比例阀4WRPH 6 C B24L-2X/G24Z4/M-855

0811404129  REXROTH比例阀4WRPH 6 C B40L-2X/G24Z4/M-855

0811404130  REXROTH比例阀4WRPH 6 C B40L-2X/G24Z4/M-859

0811404132  REXROTH比例阀4WRPH 6 C3 B04L-1X/G24Z4/V

0811404140  REXROTH比例阀4WRPE 6 E18SJ-2X/G24K0/A1M

0811404141  REXROTH比例阀4WRPE 6 E32SJ-2X/G24K0/A1M

0811404142  REXROTH比例阀4WRPE 6 W18SJ-2X/G24K0/A1M

0811404143  REXROTH比例阀4WRPE 6 W32SJ-2X/G24K0/A1M

0811404144  REXROTH比例阀4WRPE 6 W32SJ-2X/G24K0/B5M

0811404145  REXROTH比例阀4WRPE 6 W08SJ-2X/G24K0/A1M

0811404146  REXROTH比例阀4WRPE 6 W18SJ-2X/G24K0/F1M

0811404147  REXROTH比例阀4WRPE 6 W32SJ-2X/G24K0/F1M

0811404148  REXROTH比例阀4WRPE 6 E08SJ-2X/G24K0/A1M

0811404149  REXROTH比例阀4WRPE 6 W2C32SJ-2X/G24K0/A1M-836

0811404150  REXROTH比例阀4WRBAE 6 E32J-2X/G24N9K31/A1M

0811404151  REXROTH比例阀4WRBAE 6 E18J-2X/G24N9K31/A1M

0811404153  REXROTH比例阀4WRBAE 6 W18J-2X/G24N9K31/A1M

0811404154  REXROTH比例阀4WRBAE 6 E18J-2X/G24N9K31/F1M

0811404155  REXROTH比例阀4WRBAE 6 W2-32J-2X/G24N9K31/A1M

0811404160  REXROTH比例阀4WRPH 6 C4 B04L-2X/G24Z4/M

0811404161  REXROTH比例阀4WRPH 6 C3 B12L-2X/G24Z4/M-561

0811404162  REXROTH比例阀4WRPH 6 C1 B40P-2X/G24Z4/M

0811404163  REXROTH比例阀4WRPH 6 XB24L-2X/G24Z4/M-842

0811404164  REXROTH比例阀4WRPH 6 C3 B24L-2X/G24Z4/M-561

0811404166  REXROTH比例阀4WRPH 6 XB12L-2X/G24Z4/M-842

0811404167  REXROTH比例阀4WRPH 6 C4 B24L-2X/G24K0/M-750

0811404169  REXROTH比例阀4WRPH 6 C3 B24L-2X/G24K0/M-750

0811404170  REXROTH比例阀4WRPH 6 C3 B40L-2X/G24K0/M-750

0811404171  REXROTH比例阀4WRPH 6 C4 B40L-2X/G24K0/M-750

0811404172  REXROTH比例阀4WRPH 6 C B25P-2X/G24Z4/M

0811404174  REXROTH比例阀4WRPH 6 C3 B40L-2X/G24Z4/M-561

0811404175  REXROTH比例阀4WRPH 6 XB40L-2X/G24Z4/M-842

0811404177  REXROTH比例阀4WRPH 6 XB12L-2X/G24K0/M-843

0811404179  REXROTH比例阀4WRPH 6 C3 B12L-2X/G24K0/M-784

0811404180  REXROTH比例阀4WRL 10 E80S-3X/G24Z4/M

0811404181  REXROTH比例阀4WRL 10 E1-80S-3X/G24Z4/M

0811404182  REXROTH比例阀4WRL 10 E1-80S-3X/G24ETZ4/M

0811404183  REXROTH比例阀4WRL 10 W80S-3X/G24Z4/M

0811404184  REXROTH比例阀4WRL 10 W1-80S-3X/G24Z4/M

0811404185  REXROTH比例阀4WRL 10 W1-80S-3X/G24ETZ4/M

0811404186  REXROTH比例阀4WRL 10 E4-80S-3X/G24Z4/M

0811404187  REXROTH比例阀4WRL 10 W4-80S-3X/G24Z4/M

0811404188  REXROTH比例阀4WRL 10 W80S-3X/G24ETZ4/M

0811404189  REXROTH比例阀4WRL 10 E80S-3X/G24TZ4/M

0811404190  REXROTH比例阀4WRL 10 E1-80S-3X/G24TZ4/M

0811404191  REXROTH比例阀4WRL 10 E80S-3X/G24K0/M-750

0811404192  REXROTH比例阀4WRL 10 E80S-3X/G24ETK0/M-750

0811404193  REXROTH比例阀4WRL 10 W1-80S-3X/G24TZ4/M

0811404206  REXROTH比例阀4WRL 16 V120M-3X/G24Z4/M

0811404207  REXROTH比例阀4WRL 16 V200M-3X/G24Z4/M

0811404209  REXROTH比例阀4WRL 16 WZ180S-3X/G24Z4/M

0811404210  REXROTH比例阀4WRL 16 EZ180S-3X/G24Z4/M

0811404211  REXROTH比例阀4WRL 16 W4Z180S-3X/G24Z4/M

0811404212  REXROTH比例阀4WRL 16 E1Z180S-3X/G24Z4/M

0811404213  REXROTH比例阀4WRL 16 W1Z180S-3X/G24Z4/M

0811404214  REXROTH比例阀4WRL 16 E4-180S-3X/G24Z4/M

0811404215  REXROTH比例阀4WRL 16 E110S-3X/G24Z4/M

0811404216  REXROTH比例阀4WRL 16 E1-110S-3X/G24Z4/M

0811404218  REXROTH比例阀4WRL 16 W180S-3X/G24ETZ4/WX02M-748

0811404219  REXROTH比例阀4WRL 16 W3-180S-3X/G24Z4/WX02M-924

0811404220  REXROTH比例阀4WRL 16 Q5-200M-3X/G24TZ4/M-774

0811404221  REXROTH比例阀4WRL 16 V200M-3X/G24TZ4/M-765

0811404223  REXROTH比例阀4WRL 16 WZ180S-3X/G24EZ4/WX02M-753

0811404228  REXROTH比例阀4WRL 16 E1-180S-3X/G24Z4/M-755

0811404229  REXROTH比例阀4WRL 16 V120M-3X/G24K0/M-750

0811404232  REXROTH比例阀4WRL 16 EZ180S-3X/G24Z4/M-750

0811404233  REXROTH比例阀4WRL 16 EZ180S-3X/G24ETZ4/M-750

0811404234  REXROTH比例阀4WRL 16 EZ180S-3X/G24Z4/M-763

0811404236  REXROTH比例阀4WRL 16 V1-120M-3X/G24K0/M-750

0811404237  REXROTH比例阀4WRL 16 V1-200M-3X/G24K0/M-750

0811404239  REXROTH比例阀4WRL 16 V1-120M-3X/G24Z4/M

0811404241  REXROTH比例阀4WRL 16 V100P-3X/G24Z4/M

0811404247  REXROTH比例阀4WRL 16 WZ180S-3X/G24ETZ4/M

0811404250  REXROTH比例阀4WRLE 16 V120M-3X/G24K0/A1M

0811404251  REXROTH比例阀4WRLE 16 V200M-3X/G24K0/A1M

0811404252  REXROTH比例阀4WRLE 16 Q5-200M-3X/G24K0/A1M

0811404254  REXROTH比例阀4WRLE 16 Q5-200M-3X/G24TK0/B5M-774

0811404256  REXROTH比例阀4WRLE 16 X200M-3X/G24K0/A1M-811

0811404257  REXROTH比例阀4WRLE 16 Q5-85M-3X/G24K0/A1M-775

0811404258  REXROTH比例阀4WRLE 16 X200M-3X/G24ETK0/A1M-812

0811404259  REXROTH比例阀4WRLE 16 X200M-3X/G24EK0/A1M-812

0811404260  REXROTH比例阀4WRLE 16 X00M-3X/G24K0/A1M-778

0811404261  REXROTH比例阀4WRLE 16 X200M-3X/G24K0/A1M-812

0811404263  REXROTH比例阀4WRLE 16 V90P-3X/G24K0/A1M

0811404264  REXROTH比例阀4WRLE 16 V150P-3X/G24K0/A1M

0811404265  REXROTH比例阀4WRLE 16 V1-90P-3X/G24K0/A1M

0811404266  REXROTH比例阀4WRLE 16 V1-150P-3X/G24K0/A1M

0811404269  REXROTH比例阀4WRLE 16 V200M-3X/G24K0/B5M 

0811404270  REXROTH比例阀4WRLE 16 Q4-200M-3X/G24ETK0/A1M

0811404271  REXROTH比例阀4WRLE 16 V120M-3X/G24K0/B5M

0811404272  REXROTH比例阀4WRLE 16 V200M-3X/G24K0/F1M

0811404273  REXROTH比例阀4WRLE 16 W1-200M-3X/G24EK0/A1WX02M-779

0811404274  REXROTH比例阀4WRLE 16 Q5-200M-3X/G24ETK0/B5M-774

0811404275  REXROTH比例阀4WRLE 16 Q4-200M-3X/G24TK0/A1M

0811404276  REXROTH比例阀4WRLE 16 Q4-200M-3X/G24K0/A1M

0811404279  REXROTH比例阀4WRLE 16 V1-120M-3X/G24K0/A1M

0811404280  REXROTH比例阀4WRLE 16 V1-200M-3X/G24K0/A1M

0811404281  REXROTH比例阀4WRLE 16 V1-120M-3X/G24ETK0/A1M

0811404282  REXROTH比例阀4WRLE 16 V1-200M-3X/G24ETK0/A1M

0811404285  REXROTH比例阀4WRLE 16 V120M-3X/G24ETK0/A1M-857

0811404286  REXROTH比例阀4WRLE 16 Q5-200M-3X/G24K0/A1M-853

0811404287  REXROTH比例阀4WRLE 16 V200M-3X/G24K0/A1M-834

0811404288  REXROTH比例阀4WRLE 16 V200M-3X/G24ETK0/A1M-857

0811404290  REXROTH比例阀4WRVE 16 V120M-2X/G24K0/B5M

0811404291  REXROTH比例阀4WRVE 16 V200M-2X/G24K0/B5M

0811404294  REXROTH比例阀4WRVE 16 V1-120M-2X/G24K0/B5M

0811404295  REXROTH比例阀4WRVE 16 V1-200M-2X/G24K0/B5M

0811404300  REXROTH比例阀4WRLE 16 W180SJ-3X/G24EK0/A1M

0811404302  REXROTH比例阀4WRLE 16 W180SJ-3X/G24K0/A1WX02M-752

0811404303  REXROTH比例阀4WRLE 16 WZ180SJ-3X/G24EK0/A1M-561

0811404304  REXROTH比例阀4WRLE 16 WZ180SJ-3X/G24ETK0/A1WX02M-749

0811404305  REXROTH比例阀4WRLE 16 EZ180SJ-3X/G24K0/A1M

0811404306  REXROTH比例阀4WRLE 16 E1Z180SJ-3X/G24K0/A1M

0811404307  REXROTH比例阀4WRLE 16 WZ180SJ-3X/G24K0/A1M

0811404308  REXROTH比例阀4WRLE 16 W1Z180SJ-3X/G24K0/A1M

0811404311  REXROTH比例阀4WRLE 16 E180SJ-3X/G24K0/A1M-762

0811404312  REXROTH比例阀4WRLE 16 E1-180SJ-3X/G24K0/A1M-762

0811404315  REXROTH比例阀4WRLE 16 W1-180SJ-3X/G24EK0/A1WX02M-744

0811404316  REXROTH比例阀4WRL 16 WZ180S-3X/G24EZ4/WX02M-756

0811404317  REXROTH比例阀4WRLE 16 W2-180SJ-3X/G24K0/A1M

0811404318  REXROTH比例阀4WRLE 16 EZ180SJ-3X/G24TK0/A1M

0811404319  REXROTH比例阀4WRLE 16 EZ180SJ-3X/G24ETK0/A1M

0811404320  REXROTH比例阀4WRLE 16 W5-180SJ-3X/G24K0/A1M

0811404321  REXROTH比例阀4WRLE 16 W1-180SJ-3X/G24EK0/A1WX02M-756

0811404322  REXROTH比例阀4WRLE 16 WZ180SJ-3X/G24EK0/A1M-758

0811404324  REXROTH比例阀4WRLE 16 WZ180SJ-3X/G24K0/A1M-772

0811404325  REXROTH比例阀4WRLE 16 WA110SJ-3X/G24K0/A1M

0811404326  REXROTH比例阀4WRLE 16 W180SJ-3X/G24EK0/A1WX02M-745

0811404327  REXROTH比例阀4WRLE 16 W1Z180SJ-3X/G24ETK0/A1M

0811404328  REXROTH比例阀4WRLE 16 W4Z180SJ-3X/G24ETK0/A1M

0811404329  REXROTH比例阀4WRLE 16 WA180SJ-3X/G24K0/A1M

0811404331  REXROTH比例阀4WRLE 16 EZ180SJ-3X/G24EK0/A1M

0811404332  REXROTH比例阀4WRLE 16 W4Z180SJ-3X/G24ETK0/A1WG02M

0811404337  REXROTH比例阀4WRLE 16 WZ180SJ-3X/G24EK0/A1M

0811404342  REXROTH比例阀4WRLE 16 Q3-200M-3X/G24K0/A1M

0811404344  REXROTH比例阀4WRLE 16 Q3-200M-3X/G24K0/A1WG02M

0811404345  REXROTH比例阀4WRVE 16 V1-200M-2X/G24K0/B5M-869

0811404346  REXROTH比例阀4WRLE 16 V200M-3X/G24K0/A1M-857

0811404347  REXROTH比例阀4WRVE 16 V1-120M-2X/G24K0/B5M-869

0811404350  REXROTH比例阀4WRPEH 6 C4 B04L-2X/G24K0/F1M

0811404351  REXROTH比例阀4WRPEH 6 C4 B12L-2X/G24K0/F1M

0811404352  REXROTH比例阀4WRPEH 6 C4 B24L-2X/G24K0/F1M

0811404353  REXROTH比例阀4WRPEH 6 C4 B40L-2X/G24K0/F1M

0811404354  REXROTH比例阀4WRPEH 6 C1 B40L-2X/G24K0/F1M

0811404355  REXROTH比例阀4WRPEH 6 C B24L-2X/G24K0/A1M

0811404357  REXROTH比例阀4WRPEH 6 C3 B04L-2X/G24K0/A1V

0811404359  REXROTH比例阀4WRPEH 6 C B25P-2X/G24K0/A1M

0811404361  REXROTH比例阀4WRPE 6 X32M-2X/G24K0/B5M-833

0811404362  REXROTH比例阀4WRPE 6 Q5-32M-2X/G24K0/B5M-832

0811404363  REXROTH比例阀4WRPEH 6 C B25P-2X/G24K0/A1M-303

0811404366  REXROTH比例阀4WRPEH 6 C B08P-2X/G24K0/A1M

0811404368  REXROTH比例阀4WRPEH 6 C3 B12P-2X/G24K0/A1M-854

0811404370  REXROTH比例阀4WRLE 16 W5-180S-3X/G24K0/A1M-732

0811404381  REXROTH比例阀4WRPE 6 E32SJ-2X/G24K0/F1M

0811404383  REXROTH比例阀4WRPE 6 W08SJ-2X/G24K0/F1M

0811404390  REXROTH比例阀4WRL 10 V85M-3X/G24ETZ4/M

0811404391  REXROTH比例阀4WRL 10 V55M-3X/G24TZ4/M

0811404392  REXROTH比例阀4WRL 10 V55M-3X/G24ETZ4/M

0811404393  REXROTH比例阀4WRL 10 V85M-3X/G24TZ4/M

0811404394  REXROTH比例阀4WRL 10 V1-85M-3X/G24Z4/M

0811404397  REXROTH比例阀4WRLE 10 V1-85M-3X/G24EK0/A1M

0811404398  REXROTH比例阀4WRVE 10 V1-85M-2X/G24K0/B5M-869

0811404405  REXROTH比例阀4WRL 25 V370M-3X/G24Z4/M

0811404406  REXROTH比例阀4WRL 25 WZ350S-3X/G24Z4/M

0811404407  REXROTH比例阀4WRL 25 EZ350S-3X/G24Z4/M

0811404408  REXROTH比例阀4WRL 25 E1Z350S-3X/G24Z4/M

0811404409  REXROTH比例阀4WRL 25 W1Z350S-3X/G24Z4/M

电液比例阀简称比例阀。普通液压阀只能通过预调的方式对液流的压力、流量进行定值控制。但是当设备机构在工作过程中要求对液压系统的压力、流量参数进行调节或连续控制，例如.要求工作台在工作进给时按慢、快、慢连续变化的速度实现进给，或按一定精度模拟某个较佳控制曲线实现旅力控制.普通液压阀则实现不了。这时可以用电液比例阀对液压系统进行控制。

电液比例阀是一种按输入的电信号连续地、按比例地控制液压系统的液流方向、流量和压力的阀类。它山电-机械比例转换装置和液压控制阀本体两大部分构成.前者将输入的电信号连续地按比例地转换为机械力和位移输出，后者在接受这种机械力和位移之后、按比例连续地输出压力和流量.

博世Bosch Rexroth力士乐液压泵、阀优势供应商

本公司现供应博世力士乐泵阀系列产品:轴向柱塞泵.比例伺阀.电磁换向阀.柱塞泵.马达.电磁溢流阀.插装阀.电磁阀.通经电磁阀.电液比例控制阀.叶片泵.齿轮泵.放大器.方向控制阀.液压阀等,库存型号应有尽有物美价廉！欢迎广大需求朋友来电咨询…

轴向柱塞泵

A10VSO10DR/52R-PPA14N00

A10VO18DFR1/31R-PPA12N00

A10VSO28DFR1/31R-PPA12N00

A10VSO45DFR1/31R-PPA12N00

A10VSO71DFR1/31R-PPA12N00

A10VSO100DFR1/31R-PPB12N00

A10VSO140DFR1/31R-PPA12N00

A10VSO45DFR1/32R-PPB12N00

A10VSO100DFR1/32R-PPB12N00

A10VSO071DFR1/32R-VPB12N00

A10VSO140DFR1/32R-VPB12N00

A10VSO140DRS/32R-VPB22U99

4WE6D7X/HG24N9K4

4WE6C7X/HG24N9K4

4WE6Y7X/HG24N9K4

4WE6EA7X/HG24N9K4

4WE6D6X/EG24N9K4

4WE6C6X/EG24N9K4

4WE6EA6X/EG24N9K4

4WE6Y6X/EG24N9K4

4WE6Y11-6X/EG24N9K4

4WE6HA6X/EG24N9K4

4WE6E7X/HG24N9K4

4WE6J7X/HG24N9K4

4WE6J7X/HG24N9K4/B10

4WE6E6X/EG24N9K4

4WE6J6X/EG24N9K4

4WE6U6X/EG24N9K4

4WE6M6X/EG24N9K4

4WE6H6X/EG24N9K4

4WE6G6X/EG24N9K4

3WE6A6X/EG24N9K4

3WE6B6X/EG24N9K4 (6A/EG改装)

M-3SED6UK1X/350CG24N9K4

M-3SEW6U3X/420MG24N9K4

M-3SEW6C3X/420MG24N9K4

4WE10D3X/CG24N9K4

4WE10C3X/CG24N9K4

4WE10EA3X/CG24N9K4

4WE10Y3X/CG24N9K4

4WE10Y11-3X/CG24N9K4

4WE10E3X/CG24N9K4

4WE10J3X/CG24N9K4

4WE10U3X/CG24N9K4

4WE10L3X/CG24N9K4

4WE10G3X/CG24N9K4

4WE10Q3X/CG24N9K4

4WEH16Y31-7X/6HG24N9K4

4WEH16C7X/6HG24N9K4

4WEH16D7X/6HG24N9ETK4/B10

4WEH16EA7X/6HG24N9ETK4/B10

4WEH16E7X/6HG24N9ETK4/B10

4WEH16J7X/6HG24N9ETK4/B10

4WEH16U7X/6HG24N9ETK4

4WEH16J7X/6EG24N9K4

4WEH22C7X/6HG24N9EK4

4WEH22D7X/6HG24N9K4

4WEH22Y31-7X/6HG24N9K4

4WEH22E7X/6HG24N9ETK4/B10

4WEH22J7X/6HG24N9ETK4/B10

4WEH22L7X/6HG24N9ETK4/B10

4WEH22U7X/6HG24N9ETK4

DBW10B1-5X/200-6EG24N9K4     

DBW10B2-5X/315-6EG24N9K4     

DBW20B1-5X/200-6EG24N9K4     

DBW20B2-5X/315-6EG24N9K4     

DB10-1-5X/315

DB10-1-4X/50UW65

DB20-1-5X/315

DBDS6K1X/315

DBDS10K1X/315

DBDS10K1X/200

DBDS20K1X/315

DBDS30K1X/315

DR10-4-4X/200YM

DR10-5-5X/200YM

DR20-4-4X/200YM

ZDB6VP2-4X/200V

ZDB6VP2-4X/315V

ZDR6DP2-4X/75YM

ZDR6DP2-4X/150YM

ZDR6DP2-4X/210YM

ZDR10DP2-5X/210YM

ZDR10DP2-5X/150YM

Z2SF6-2-4X/2QV

Z2SF10-5-3X/V

Z2S6-1-6X

Z2S6A1-6X

Z2S10-1-3X

Z2S16-1-5X

HED8OH2X/200K14V

HED8OA2X/350K14KW

PQ10 (160L/min)

PQ10 (190L/min带内置放大器)

PQ25 (320L/min带内置放大器)

PQ32 (480L/min带内置放大器)

PQ40 (750L/min带内置放大器)

PQ40 (1500L/min带内置放大器)

0811402517（FESXE25CA）

0811402616（FESXE32CA）

0811402622（FESXE40CA）

0811402642（FESXE50CA）

A10VSO10DR/52R-PPA14N00

A10VSO18DFR1/31R-PPA12N00

A10VSO28DFR1/32R-VPB12N00

A10VSO45DFR1/32R-VPB12N00

A10VSO45DFR1/31R-PPA12N00

A10VSO71DFR1/32R-VPB22U99

A10VSO71DFR1/31R-PPA12N00

A10VSO100DFR1/32R-VPB12N00

A10VSO140DRS/32R-VPB22U99

A10VSO140DFR1/31R-PPB12N00

SYDFEE-2X/045R-PPA12N00

SYDFEE-2X/071R-PPA12N00

SYDFEE-2X/100R-PPA12N00

SYDFEE-2X/140R-PPB12N00

PGH4-2X/025RE11VU2

PGH4-2X/032RE11VU2

PGH4-2X/040RE11VU2

PGH4-2X/050RE11VU2

0510325016 (AZPF-005)

0510425320 (AZPF-010) 

0510525019 (AZPF-011) 

0510725350 (AZPF-022)

4WRKE16E-125L3X/6EG24EK31/A1D3M

4WRKE16E-200L3X/6EG24EK31/A1D3M

4WRKE25E350L3X/6EG24EK31/A1D3M

4WREE10E75-2X/G24K31/A1V

4WREE6E32-2X/G24K31/A1V

4WREE6W32-2X/G24K31/A1V

0811 402 017（180bar）

0811 402 019  (250bar)

0811 402 016  (315bar)

0811 403 017

0811 403 001

0811 405 097

0811 405 104

0811 402 003

0811 402 071

1834 486 001

1834 482 022

1834 484 252

VT3002-2X/32D

M-SR10KE05-1X

M-SR15KE05-1X

M-SR20KE05-1X

M-SR25KE05-1X

M-SR30KE05-1X

序号 元件名称        博世力士乐元件型号

1 NG6电磁换向阀4/2 4WE6D(C.Y)7X/HG24N9K4  

2 NG6电磁换向阀4/2 4WE6D（C）6X/EG24N9K4  4WE6Y11-6X/EG24

3 NG6电磁换向阀4/2 4WE6JA7X/HG24N9K4

4 NG6电磁换向阀4/2 4WE6HA7X/EG24N9K4

5 NG6电磁换向阀4/3 4WE6E(J)7X/HG24N9K4  

6 NG6电磁换向阀4/3 4WE6E(U)6X/EG24N9K4  

7 NG6电磁换向阀4/3 4WE6G6X/EG24N9K4  

8 NG6电磁换向阀4/3 4WE6L6X/EG24N9K4  

9 NG6电磁换向阀4/3 4WE6M6X/EG24N9K4

10 NG6电磁换向阀4/3 4WE6H6X/EG24N9K4

11 NG6电磁换向阀4/3 4WE6J6X/EG24N9K4

12 NG10电磁换向阀4/2 4WE10D(C,EA,EB)3X/CG24N9K4  

13 NG10电磁换向阀4/2 4WE10Y3X/CG24N9K4

14 NG10电磁换向阀4/3 4WE10E3X/CG24N9K4  

15 NG10电磁换向阀4/3 4WE10J3X/CG24N9K4

16 NG10电磁换向阀4/2 4WE10U(L)3X/CG24N9K4

17 NG16电液换向阀4/2 4WEH16Y31-7X/6HG24N9K4 如专门需要导阀可换EG型

18 NG16电液换向阀4/2 4WEH16EA7X/6HG24N9K4/B10如专门需要导阀可换EG型

19 NG16电液换向阀4/3 4WEH16E(L,U)7X/6HG24N9ETK4/B10   如专门需要导阀可换EG型

减压阀是一种自动降低管路工作压力的专门装置，它可将阀前管路较高的液体压力减少至阀后管路所需的水平。这里的传输介质主要是水。减压阀广泛用于高层建筑、城市给水管网水压过高的区域、矿井及其他场合，以保证给水系统中各用水点获得适当的服务水压和流量。鉴于水的漏失率和浪费程度几乎同给水系统的水压大小成正比，因此减压阀具有改善系统运行工况和潜在节水作用，据统计其节水效果约为30%。减压阀的构造类型很多，以往常见的有薄膜式、内弹簧活塞式等。减压阀的基本作用原理是靠阀内流道对水流的局部阻力降低水压，水压降的范围由连接阀瓣的薄膜或活塞两侧的进出口水压差自动调节。2007年上海闵高阀门有限公司引进国外技术，生产出一些新型减压阀，如定比式减压阀。定比减压原理是利用阀体中浮动活塞的水压比控制，进出口端减压比与进出口侧活塞面积比成反比，这种减压阀工作平稳无振动，使得国内减压阀生产技术进一步提高；阀体内无弹簧，故无弹簧锈蚀、金属疲劳失效之虑；密封性能良好不渗漏，因而既减动压（水流动时）又减静压（流量为0时）；特别是在减压的同时不影响水流量。减压阀通常有DN15～DN100等多种规格，阀前、后的工作压力分别为<1MPa和0．1～0．5MPa，调压范围误差为±5%～10%。

20 NG16电液换向阀4/3 4WEH16J7X/6HG24N9ETK4/B10 如专门需要导阀可换EG型

21 NG22电液换向阀4/2 4WEH22Y31-7X/6HG24N9K4如专门需要导阀可换EG型

22 NG22电液换向阀4/3 4WEH22J7X/6HG24N9ETK4如专门需要导阀可换EG型

23 NG22电液换向阀4/3 4WEH22E7X/6HG24N9ETK4如专门需要导阀可换EG型

24 NG22电液换向阀4/3 4WEH22U(L)7X/6HG24N9ETK4如专门需要导阀可换EG型

25 NG10先导溢流阀 DB10-1-4X/50UW65

26 NG20先导溢流阀 DB20-1-4X/50UW65

27 NG10先导溢流阀 DB10-1-5X/200如专门需要，弹簧可换315

28 NG20先导溢流阀 DB20-1-5X/200如专门需要，弹簧可换315

29 NG6溢流阀 0811 104 1110811 104 101

30 NG10电磁溢流阀 DBW10B1-5X/200-6SG24N9K4     如专门需要，弹簧可换315

31 NG20电磁溢流阀 DBW20B1-5X/200-6SG24N9K4    如专门需要，弹簧可换315

32 插入式溢流阀 0532 002 014

33 插入式溢流阀 0532 002 062

34 插入式溢流阀 DBDS10K1X/315

35 插入式溢流阀 DBDS20K1X/315

36 减压阀 DR10-5-5X/100YMDR10-5-5X/200YM

37 减压阀 DR10-4-4X/100YM

38 NG6叠加单向节流阀 Z2FS6-2-4X/2QV

39 NG6叠加单向节流阀 Z2S6-1-6X

40 NG10叠加单向节流阀 Z2FS10-5-3X/V

41 NG10叠加单向节流阀 Z2S10-1-3X

42 NG6叠加减压阀 ZDR6DP-2-4X/75YM

43 NG6叠加减压阀 ZDR6DP-2-4X/150YM

44 NG40比例插装节流阀 0811 402 622(OBE)

45 NG50比例插装节流阀 0811 402 642(OBE)

46 NG25比例插装节流阀 0811 402 515

47 NG25比例插装节流阀 0811 402 517(OBE)

48 NG32比例插装节流阀 0811 402 614

49 NG32比例插装节流阀 0811 402 616(OBE)

50 NG40比例插装节流阀 0811 402 620

51 NG6比例溢流阀 0811 402 017

52 NG6比例溢流阀 0811 402 071(OBE)

53 NG6比例溢流阀 0811 402 018

54 NG6比例溢流阀(250bar) 0811 402 019

55 NG6比例溢流阀(315bar) 0811 402 016

56 NG6比例溢流阀(180bar) 0811 402 043

57 NG10比例节流阀 0811 403 017

58 NG6比例溢流阀(180bar) 0811 402 003

59 NG10比例方向阀 0811 403 001

61 NG10比例方向阀 4WREE10E75-2X/G24K31/A1V

62 NG16比例方向阀 4WRKE16E-200L3X/6EG24EK31/A1D3M

63 NG25比例方向阀 4WRKE25E350L3X/6EG24EK31/A1D3M

64 比例阀专项使用七芯插头 1834 482 022

65 比例阀专项使用七芯插头 1834 482 252

66 放大器 0811 405 076

67 放大器 0811 405 097(配0811402003等)

68 放大器 0811 405 099(配0811403001等)

69 放大器 0811 405 104

70 放大器支架 1834 486 001

71 NG25插装阀芯 1818 509 2961818 509 3011818 509 303

72 NG16插装阀芯 1818 509 242

73 NG32插装阀芯 1818 509 2311818 509 2261818 509 234

74 NG32插装阀芯 1818 509 236

75 NG40插装阀芯 1818 509 207

76 NG40插装阀芯 1818 509 213

77 NG40插装阀芯 1818 509 216

78 NG40插装阀芯 1818 509 220

79 NG50插装阀芯 1818 509 845

80 NG50插装阀芯 D810 030 046

81 NG25插装盖板(压力) 1815 500 293

82 NG25插装盖板(压力) 1815 500 294

83 NG32插装盖板(压力) 1815 500 272

84 NG32插装盖板(压力) 1815 500 273

85 NG50插装盖板(压力) 1815 500 456

88 NG32插装阀 LFA32DBWD2-7X/050

89 压力继电器 HED8 OH-2X/100K14AVHED8 OH-2X/200K14AV

90 轴向柱塞泵18ml/r A10VSO18DFR1/31R-PPA12N00

91 轴向柱塞泵28ml/r A10VSO28DFR1/31R-PPA12N00

92 轴向柱塞泵45ml/r A10VSO45DFR1/32R-VPB12N00A10VSO45DFR1/31R-PPA12N00

93 轴向柱塞泵58ml/r A10VSO58DFR1/31R-PPA12N00A10VSO58DFR1/32R-VPB22U99-S2183

94 轴向柱塞泵71ml/r A10VSO71DFR1/31R-PPA12N00A10VSO71DFR1/32R-VPB22U99-S2184

95 轴向柱塞泵100ml/r A10VSO100DFR1/32R-VPB12N00-S1439

96 轴向柱塞泵140ml/r A10VSO140DFR1/32R-VPB12N00A10VSO140DFR1/31R-PPB12N00

柱塞泵: 

A11V0190LBHE/11R-NEB12K01

A10V028DR/31R-PSC62K01

1PF2G2.4X/022RR20MP

A10VL0130LR35/10RN2BRD12KD

A4VG090DR

A10V040

A10V0260

A2F012/61R-PP06

A4VS0125DR/10R-PPB13N00

A7V0107LRMA/10LPPB02N00N

A7V0160

A10VS0180DR/31R-PPA12KD1

A10VS0140DR/32R-VPB12N00

A10V0100DR

A4VG180 180L

A4VG250HWD1/32R-N2D10F69

A11VL0130LRDH2/11R-NZD12K02

A4VS040MA/10RRB13N00

A4VG056、71、125

A11V0260L

A4VS0250L

A10VS071DFR/31R-PPA12N00

A2FM80/61W-VBB010

A2FM80/61W-VBB010

A2FM56/61W-WAB027

A10V0140DR/31R-PPB12N00

A10VS071DFR/31R-PPA12N00

A4VG 180LEP/HB

A10V028DR/31R-PSC62K01

A4VG 250LEP/HB

A4VG090DA2D6/31L-P2F02F301S

A4VS0180LR2/30R-PPB13N00

A4VS0250LFR/30R-PPB13N00

AA4VG056-61

A4VG125HD1P1/32R-N2D10F69

A4VG125HD1P1/32RNSF02F011S-K

A4VG90EP1DT1/32R-NAF02F071D

A4VSH71MA/10LPPB02N00N

A4V7790HW-32L-MCPB

A4V7G90HW-32L-MCPB

A4VS0180-PR-3X/R-PPB13N00

A4V90HD1 0L0C 2020

A4VG125HDDT1/32R-N2F-02F011S

A4VS0250DFR/30R-PPB13N00

A4VG92DA2D6/31L-P2F02F301S

A4VSO40DFR/30R-PPB12N00

A4VSO250DFR/30R-PPB13N00

A4VSO125DR/10R-PPB13N00

A4UG250HWD1/32R-N2D10F69

A4VSH71MA/10LPPB02N000N

A4VS0180-DR-3X/R-PPB13N00

A4VS0125DR/22R-PPB12N00

A4VS0 125DR/10R PPB 13N00

A4VS0 71DR/10R PPB 13N00

A4VS0 40 DR/10R PPB 13N00

A4VG56EP2DT1/32R-NAF02F011S

A4VSO250DR/22R-VPB13NOO

A4VS0100DR/22R-PPB13N00

A4VG125HDDT1/32R-N2F02F011S

A4VTG90HW/32L

A4VS0180DR/22R-PPB13N00

A4VS0125DFR/10R-PPB13N00

A4VS0355DR/30R-PPB13N00

A4VSG125DR/22R-PPB13N00

A4VS0250DR/22R-PPB13N00

A4VTG90HW/32R-NLD10F001S

A4VTG71HW/32R-NLD10F001S

A4VS0125DR/22R-PPB13N00

A4VSO180DR/30R-FPB13N00

A4VS040MA/10R-PPB13NOO

A4VS071DR/10R-PPB13N00

A4VSO250DR/30R-PPB13N00

A4VG920DA2D6/31L-P2F02F301S

A4VG90DA2D6/31L-P2F02F301S

A4VG90HWD1/32R-NZF001S

A4VG71HWD1/32R-NZF001S

A4VSO180DRG/30R PPB13N00

A4VSO71DR/10R-PPB13N00

A4VSO125DR/10RPPB13N00

A4VSO40DR/10RPPB13N00

A4VSO180 PR-3X/R-PPB13N00

A4VG90EP2DT1/32R-NAP02F00

A4VSO180 PR-3X/R-PPB13N0011

A4VS0180DRG/30R-PPB13N00

A4VG71HWEL1/32R-NAF02F1D

A4VG40ET2D1 32L-NUC02F005

A4VG125HD1P1/32R-N2F02F011S

A11V0190LBHE/11R-NEB12K01

A11V0260L

A10V071DFR/31L-PSC62N00

A10V0100DR

A7V0160LVERPF00

A7V0500LV5.1RPFH0

A7V0107LRH1/61R-N2B01

A7V0160EP/63R-NZB01

A7V117EL1RPFEO

A7V0160EP/63R-NPP01

A7V500LV5.1RPFHO

A7V160LVE RPFOO

A7VO160LVE RPFOO

A7VO500LV5.1RPFHO

A7VO250EP2D/63R-PPB02-S01

A7V0160EP/63R-PPB010

A7V160EP2D/63R-PPB02

A7V250EP2D/63R-NPB01

A2FO0160/61R-PPB050

A2FO16/61R-PPB05

A2F056/61R-PPB05

A2F023/61R-PP05

A2F032/61R-PAB05

A2F032/61L-PABOS

A2FM63/61W-VAB027

A2FO12/61R

A2F55R2P3-J

A2F23R/3P4-J

A2FO56/61R-PPB05

A2FO12/61R-PP06

A2FO23/61R-PP05

A2F063/61R-PZB05

A2F032/61L-PABO5

A2FSO40/10R-PPB13N00

A10VS028DFR1/31R-PPA12N00

A10VS071DFR1/31R-PPA12N00

A4V0125L

供应力士乐马达A2F系列产品

A6VM160E22/63W-VAB020HB

A2FM160/61W-VAB

A2FM80/61W-VAB

A6VM140HA1/63W-V2B020A

AA2FM32/61W-NSD540

AA2FM32/61W-VSD526

4WE6D6X/EG24N9K4

4WE6D6X/EW230N9K4

4WE6E6X/SG24N9K4

4WE6E6X/EG24N9K4

4WE6E6X/EW230N9K4

4WE6J6X/EG24N9K4

4WE6J6X/EW230N9K5

4WE6Y6X/EG24N9K4

4WE6Y6X/EW230N9K4

4WE6G6X/EG24N9K4

4WE6G6X/EW230N9K4

4WE6M6X/EG24N9K4

4WE6M6X/EW230N9K4

4WE10D3X/CG24N9K4

4WE10D3X/EW230N9K4

4ER10R3C/VH24N9K4

4WE10E3X/EW230N9K4

4WE10J3X/CG24N9K4

4WE10J3X/EW230N9K4

4WE6C6X/EG24N9K4

4WEH16D7X/EG24N9K4

4WEH16E7X/EG24N9

4WEH16J7X/EG24N9

DBDS6P1X/25

4WEH16E-50/6AG24

4WEH16J-50/6AG24

4WEH16ED-50/6AG24

4WEH16EA-50/6AG24

4WEH16EEB-50/60AG24

4WEH22E-50/6AG24

4WEH22D-50/6AG24

4WE10J3x/CG110N9K4

4W6J6X/SG24N9K4/V

4WE10EA3X/CW110N9Z4

4WE6D6X/OFAG24N9K4 Z5L

4W6Y/SG24N9K4/V

DRC3U-D5-53/315Y6EG24N9DK25L

3SEW-6C36-420MG24N9K4/V

3SEW-6C-3X/420MG24-N9-Z5L

4WE6D6X/EW230N9K4

4WE6E6X/EG24N9K4Z5L/B10

6通经电磁阀

4WE6D62/EG24N9K4

4WE6Y62/EG24N9K4

4WE6C62/EG24N9K4

4WE6A62/EG24N9K4

4WE6B62/EG24N9K4

4WE6J62/EG24N9K4

4WE6E62/EG24N9K4

4WE6M62/EG24N9K4

4WE6H62/EG24N9K4

4WE6G62/EG24N9K4

4WE6U62/EG24N9K4

4WE6L62/EG24N9K4

4WE6D6X/OFEG24N9K4

10通经电磁阀

4WE10Y33/CG24N9K4

4WE10D33/CG24N9K4

4WE10C33/CG24N9K4

4WE10L33/CG24N9K4

4WE10U33/CG24N9K4

4WE10J33/CG24N9K4

4WE10E33/CG24N9K4

4WE10G33/CG24N9K4

4WE10H33/CG24N9K4

6通经电磁阀

4WE6D62/EW230N9K4

4WE6Y62/EW230N9K4

4WE6J62/EW230N9K4

4WE6E62/EW230N9K4

4WE6G62/EW230N9K4

10通经电磁阀

4WE10D33/CW230N9K4

4WE10E33/CW230N9K4

4WE10J33/CW230N9K4

4WE10H33/CW230N9K4

4WE10G33/CW230N9K4

溢流阀

DB10-1-4X/50UW65

DB20-1-4X/50UW65

DB10-1-5X/200

DB10-1-5X/315

DB20-1-5X/200

减压阀

ZDR6DP2-4X/75YM

ZDR6DP2-4X/150YM

ZDR6DP2-4X/210YM

ZDR10DP2-5X/150YM

电液阀

4WEH16D7X/6EG24

4WEH16E7X/6EG24

4WEH16J7X/6EG24

先导式溢流阀

DBW10B1-5X/200-6EG24N9K

DBW10B1-5X/315-6EG24N9K

DBW20B1-5X/315-6EG24N9K4

DBW20B1-5X/315-6EG24N9K4

减压阀

DR10-4-4X/100YM

DR10-5-5X/200YM

DR10-5-5X/100YM

节流阀

Z2FS6-2-4X/2QV

Z2FS10-5-3X/

液控阀

Z2S6-2-6X

Z2S10-2-3X

比例阀

4WREE6E16-2X/G24K31/A1V

4WREE6E08-2X/G24K31/A1V

4WREE10E50-2X/G24K31/A1V

4WREE10E75-2X/G24K31/A1V

柱塞泵

A10VSO18DFR1/31R－PPA12N00

A10VSO28DFR1/31R－PPA12N00

A10VSO45DFR1/31R-PPA12N00

A10VSO71DFR1/32R-VPB22U99

A10VSO71DFR1/31R-PPA12N00

A10VSO100DFR1/32R-PPB12N00

A10VSO140DFR1/31R-PPB12N00

电液比例控制阀:

0811324101

0811401200

0811401224

0811402016

0811402017

0811402018

0811402019

0811402043

0811402050

0811402059

0811402071

0811402452

0811402454

0811402515

0811402517

0811402614

0811402616

0811404622

0811402633

0811402642

0811403001

0811403017

0811403117

0811403119

电磁阀大量现货：

4WE6C6X/EG24N9K4，

4WE6D6X/EG24N9K4，

4WE6Y6X/EG24N9K4，

4WE6E6X/EG24N9K4，

4WE6J6X/EG24N9K4，

4WE6H6X/EG24N9K4，

4WE6M6X/EG24N9K4，

4WE6G6X/EG24N9K4，

4WE10D3X/CG24N9K4，

4WE10E3X/CG24N9K4，

4WE10J3X/CG24N9K4，

4WE10G3X/CG24N9K4，

4WE6Y7X/HG24N9K4，

4WE6D7X/HG24N9K4，

4WE6E7X/HG24N9K4，

4WE6J7X/HG24N9K4，

4WE6Y7X/HG24N9K4，

4WE6H7X/HG24N9K4，

4WE6G7X/HG24N9K4；

溢流阀大量现货：

DBW10B1-5X/200-6EG24N9K4，

DBW20B1-5X/200-6EG24N9K4，

DBW10B1-5X/315-6EG24N9K4，

DBW20B2-5X/315-6EG24N9K4。

叶片泵大量现货：

PV7-1X/10-14RE01MC0-16，

PV7-1X/25-45RE01MC0-08

REXROTH博世力士乐齿轮泵大量现货

0510225006

0510425009

0510425025

0510425020

0510525009

0510525033

0510625035

0510625042

0510725030

REXROTH博世力士乐放大器大量现货

0811405060

0811405061

0811405063

0811405074

0811405076

0811405081

0811405096

0811405098

0811405104

0811405106

0811405120

0811405126

0811405127

0811405140

0811405143

0811405144

0811405145

0811405147

0811405540

0811405547

REXROTH博世力士乐方向控制阀大量现货

0810001715

0810001731

0810001753

0810001760

0810091201

0810091203

0810091207

0810091212

0810091227

0810091246

0810091248

0810091257

0811024105

0811404001

0811404003

0811404033

0811404034

0811404035

0811404036

0811404037

0811404038

0811404039

0811404059

0811404060

0811404061

0811404114

0811404115

0811404116

0811404123

0811404140

0811404150

0811404291

0811404405

0811404600

0811404601

0811404603

0811404832

液压阀:

4WREE10E75-2X/G24K31/A1V

4WREE6W32-2X/G24K31/A1V

4WRAE10E60-2X/G24N9K31/A1V

Z2FS16-3X/S2

Z2S16-1-5X/V

H-4WEH16G-7X/6EW230N9ETSK4/P45

4WEH-16W-7X/6EG24N9K4

FD16FA2X/1303V

Z2FS10-5-3X/V 

Z2DBK6VD2-4X/210V

Z2DB10D2-4X/200V

2FRM10-3X/50L

2DR10DA1-5X/150V

ZDB10VA2-4X/200V

Z2SRK6-1-2X/V

DB10-1-5X/200

Z2S6-1-6X/V

4WE10W3X/CG24N9K4

4WE10E3X/CG24N9K4

HED80A1X/100K14S

力士乐Rexroth方向阀：4WE 6 C7XHG34N9K4力士乐Rexroth方向阀、4WEH16电液换向阀、4WEH25电液换向阀、4WEH32电液换向阀、4WEH,4WH二位四通和三位四通方向阀、4WEH系列电液换向阀、Rexroth 液压产品  Rexroth 电子电液控制装置、REXROTH力士乐4WEH系列电液换向阀、REXROTH力士乐电液换向阀、REXROTH力士乐电液比例控制阀、REXROTH博世力士乐电液比例控制阀、REXROTH电液比例力士乐控制阀力士乐rexroth二位三通方向阀、力士乐rexroth二位四通 三位四通比例方向阀直控式 阀芯不带位移电反馈、力士乐rexroth二位四通 三位四通比例方向阀直控式 阀芯带位移电反馈、力士乐rexroth比例方向阀4WREE、