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4WRDE25E350S-5X/6L24K9/M-280比例方向阀 德国博世力士乐REXROTH比例阀 比例方向阀 比例控制阀 原装供应

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4WRDE25E350S-5X/6L24K9/M-280比例方向阀 

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。

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。

比例阀用于模拟控制，是介于普通开关控制与伺服控制之间的控制方式，它也特别适合于

设备的革新或改造。使设备自动化控制水平大为提高。其在现代液雌系统中占比例很大口

与普通液压阀相比.比例阀的优点是:①能简单地实现远距离控制:②能连续地、按比例地控制液压系统的压力和流量。从而实现对执行机构的位置、速度和力的连续控制，并能防止或减小压力、速度变换时的冲击;③油路简化，元件数量少。

比例阀适用于既要求能连续控制胀力、流量.和方向.而又不需要很I的控制精度的场合。

补偿器主要用于节流调速系统 ，即补偿比例阀口的压差，在定量泵系统中得到了广泛的应用；但这种应用不可避免地会产生一定的溢流损失；如果二通压力补偿器与泵控压力补偿器配合使用，则可以实现容积节流调速。 

变量泵 比例多路阀的形式， 组成了负载敏感回路；除每一联多路阀都设有进口压力补偿器外；变量泵还配有泵控压力补偿器；此补偿器与反馈油路配合可实现负载敏感控制， 使此回路不仅降低了比例阀阀口的节流损失，也将液压系统的溢流损失降到低。

4WRDE25E350S-5X/6L24K9/M-280比例方向阀

4WRDE型阀是带电位置反馈和集成电子元件（OBE）的3级先导式方向控制阀。

设置

阀门主要包括：

伺服先导控制阀，2级，4WS2EM6-2X型（1）

主级（2），由外壳和主级控制阀芯组成

集成电子装置（3），带有主级感应位置传感器

功能

在集成电子设备（OBE）中，将****的命令值与主级控制阀芯的位置实际值进行比较。如果存在差异（控制偏差），则控制先导控制阀的较好级（干转矩电动机和喷嘴挡板系统）。这样，实现了喷嘴挡板系统的挡板的偏转。挡板到先导油流过的两个控制喷嘴之一的距离减小，并增加到另一个。通过连接孔，产生的流量差会导致先导控制阀（第二级）中的控制滑阀偏转，类似于控制信号。先导控制阀释放的流量导致主级（3级）控制阀芯偏转，直到其位置实际值与命令值相对应为止。控制阀芯的冲程与指令值成比例地控制。

阀门特点

阀门在出厂时已设置为抖动默认设置，恒定频率为400 Hz。

电源电压故障

在施加先导油压的情况下，主级控制阀芯移至不确定的较终位置。在这种情况下出现的加速力可能会导致机器损坏。

如果使用方向性夹心板阀（请参见订购代码），则在发生电源故障时，主级中的两个先导油室将短路。

带有符号E，E1，W6和W8的主级阀芯将处于弹簧居中的中心位置。

用符号V和V1，主级阀芯处于偏移位置，由弹簧（PB和A–T）操作（在控制阀芯行程的1 ... 11％的公差范围内）

笔记：

零点和/或抖动幅度的变化可能会导致系统损坏，并且只能由经过培训的专业人员执行。

先导控制阀只能由力士乐员工维护。根据配件清单更换过滤器和密封件是一个例外。必须确保在组装过程中正确放置密封件并拧紧旋塞螺钉。顶头螺钉的拧紧扭矩为30 Nm

4WRDE25E350S-5X/6L24K9/M-280比例方向阀型号

R900538260 4WRDE16W125L-5X/6L24Z9/M

R900561460 4WRDE16W200L-5X/6L24TZ9/WG021MR

R900508656 4WRDE16W3-200P-5X/6L24EZ9/WG021MR

R900510201 4WRDE16W3-200P-5X/6L24Z9/WG021M

R900560317 4WRDE16W5-200L-5X/6L24ETZ9/WG021MR

R900929625 4WRDE25E1-220L-5X/6L24Z9/MR

R900506953 4WRDE25E1-350-5X/6L24Z9/WG021MR

R900508271 4WRDE25E1-350L-5X/6L24Z9/MR

R900507647 4WRDE25E1-350L-5X/6L24Z9/WG021MR

R900567491 4WRDE25E350L-5X/6L24ETZ9/M

R900522077 4WRDE25E350L-5X/6L24Z9/VR

R900522273 4WRDE25E350P-5X/6L24ETZ9/M

R900517601 4WRDE25E350P-5X/6L24TZ9/WG021MR

R900527543 4WRDE25E350P-5X/6L24Z9/WG021MR

R900511409 4WRDE25Q1-350L-5X/6L24Z9/WG021M

R900550406 4WRDE25Q1-350P-5X/6L24Z9/M

R900535614 4WRDE25Q2-350P-5X/6L24EZ9/WG021MR-453

R900515207 4WRDE25Q2-350P-5X/6L24EZ9/WG021MR-454

R900522952 4WRDE25Q2-350P-5X/6L24TZ9/M

R900527874 4WRDE25Q2-500P-5XH/6L24Z9/M

R900517024 4WRDE25Q2-500P-5XH/6L24Z9/WG021M

R900527544 4WRDE25Q2-500P-5XH/6L24Z9/WG021MR

R900574732 4WRDE25R3-350R-5X=6L24Z9/WG021MR=LB

R900524716 4WRDE25R350R-5X/6L24Z9/WG021MR

R900532406 4WRDE25V1-350L-5X/6L24TZ9/WG021MR

R900939571 4WRDE25V1-350P-5X/6L24ETK9/WG021MR

R900553563 4WRDE25V220S-5X/6L24EZ9/WG043M

R900510539 4WRDE25V350L-5X/6L24ETZ9/MR

R900557302 4WRDE25V350L-5X/6L24ETZ9/WG021M

R900551315 4WRDE25V350L-5X/6L24EZ9/M

R900534396 4WRDE25V350L-5X/6L24EZ9/MR

R900522616 4WRDE25V350L-5X/6L24Z9/VR

R900507569 4WRDE25V350P-5X/6L24Z9/M

R900904214 4WRDE25V350P-5X/6L24Z9/V

R900907090 4WRDE25V350P-5X/6L24Z9/WG021MR

R900546206 4WRDE25V500P-5XH/6L24Z9/M

R900940887 4WRDE25W500P-5XH/6L24K9/WG152M

R901176735 4WRDE32E1-600P-5X/6L24K9/M

R900573826 4WRDE32E1-600P-5X/6L24Z9/M

R900538271 4WRDE32E3-400L-5X/6L24EZ9/WG021MR

R900538141 4WRDE32E3-600L-5X/6L24EZ9/WG021MR

R901117068 4WRDE32E400L-5X/6L24EK9/M

R901154999 4WRDE32E400L-5X/6L24K9/M-280

R901067986 4WRDE32E600L-5X/6L24K9/M

R901154343 4WRDE32E600L-5X/6L24K9/M-280

R901163606 4WRDE32E600L-5X/6L24K9/V

R900550616 4WRDE32E600P-5X/6L24Z9/V

R900562997 4WRDE32Q2-600P-5X/6L24Z9/M

R900578209 4WRDE32V1-600L-5X/6L24Z9/WG021M

R900551673 4WRDE32V1-600P-5X/6L24Z9/WG021M

R900553131 4WRDE32V600P-5X/6L24ETZ9/M

R900566416 4WRDE32V600P-5X/6L24ETZ9/MR-280

R900558160 4WRDE32V600P-5X/6L24Z9/MR

R900906048 4WRDE32V600P-5X/6L24Z9/WG021MR

R900552866 4WRDE32W1-600L-5X/6L24EZ9/M

R900904803 4WRDE32W1-600L-5X/6L24EZ9/MR-280

R900571274 4WRDE32W3-600L-5X/6L24EZ9/M

R901104990 4WRDE32W600L-5X/6L24K9/M

R900546213 4WRDE35E1-1000L-5X/6L24Z9/WG021MR

R900516766 4WRDE35E1000L-5X/6L24Z9/M-297

R900552194 4WRDE35E1000L-5X/6L24Z9/V

R900922325 4WRDE35E3-1000L-5X/6L24ETZ9/WG021M

R900537895 4WRDE35E3-1000L-5X/6L24Z9/WG021M

R900538980 4WRDE35E3-1000L-5X/6L24Z9/WG021MR

R900917771 4WRDE35R5-1000R-5X/6L24Z9/WG161MR-565

R900900508 4WRDE35V1000L-5X/6L24Z9/M-590

R900911477 4WRDE35V1000L-5X/6L24Z9/M-610

力士乐REXROTH三位四通高响应换向阀，先导操作，具有电气位置反馈4WRD...XN

R901380290 4WRD10V1-100L-5X/6L24XNEK31/VR

R901279032 4WRD25V1-350L-5X/6L24XNEK31/VR

力士乐REXROTH三位三通方向高响应阀，先导操作，电感位置传感器3WRCBH

0811402509 3WRCBH25V190M-1X/M-127NG25Q190L&

0811402511 3WRCBH25V190M-1X/M

0811402512 3WRCBH25V65M-1X/M

0811402519 3WRCBH25V65M-1X/M-127

0811402522 3WRCBH25VF190M-1X/M

0811402514 3WRCBH25VF190M-1X/ZM

0811402510 3WRCBH25VF190M-1X/ZM-127

0811402513 3WRCBH25VF65M-1X/ZM

0811402611 3WRCBH32V380M-1X/M

0811402608 3WRCBH32V380M-1X/M-127

0811402702 3WRCBH32V380M-1X/M-128

R901403244 3WRCBH32V380M-1X/M-128=KM

R901403242 3WRCBH32V380M-1X/M=KM

0811402610 3WRCBH32VF380M-1X/M

0811402609 3WRCBH32VF380M-1X/M-127

0811402644 3WRCBH50V750M-1X/M

0811402643 3WRCBH50V750M-1X/M-127

0811402640 3WRCBH50VF300M-1X/ZM

0811402638 3WRCBH50VF300M-1X/ZM-127

0811402646 3WRCBH50VF750M-1X/M

0811402639 3WRCBH50VF750M-1X/ZM

0811402637 3WRCBH50VF750M-1X/ZM-127

0811402680 3WRCBH80VF1800M-1X/ZM-127

力士乐REXROTH三位三通高响应方向阀（插装阀）与集成控制电子3WRCBEE

R901174489 3WRCBEE25VF190M-1X/G24K31/A1M

R901286710 3WRCBEE25VF190M-1X/G24K31/A1M-142

R901174491 3WRCBEE25VF190M-1X/G24K31/F1M

R901286705 3WRCBEE25VF190M-1X/G24K31/F1M-142

R901174492 3WRCBEE32VF380M-1X/G24K31/A1M

R901P74492 3WRCBEE32VF380M-1X/G24K31/A1M_PT

R901208054 3WRCBEE32VF380M-1X/G24K31/A1V

R901174494 3WRCBEE32VF380M-1X/G24K31/F1M

R901174495 3WRCBEE50V750M-1X/G24K31/A1M

R901174497 3WRCBEE50V750M-1X/G24K31/F1M

力士乐REXROTH二通高响应插装阀2WRCE...-2X/P

R901042924 2WRCE32S185R-2X/PG24K31/A1M

R901231773 2WRCE32S185R-2X/PG24K31/A1M-129

R901251113 2WRCE32S185R-2X/PG24K31/A1WK15M

R901040987 2WRCE32S480R-2X/PG24K31/A1M

R901069194 2WRCE32S480R-2X/PG24K31/A1M-108

R901115518 2WRCE32S480R-2X/PG24K31/A1M-121

R901159525 2WRCE32S480R-2X/PG24K31/A1M-129

R901163523 2WRCE32S480R-2X/PG24K31/A1M-130

R901048952 2WRCE32S480R-2X/PG24K31/A1M-95

R901198942 2WRCE32S480R-2X/PG24K31/A1WK15M

R901068836 2WRCE32S480R-2X/PG24K31/C1M

R901314011 2WRCE32S480R-2X/PG24K31/C1V

R901196542 2WRCE32S480R-2X/PG24K31/C1WL15M

R901377142 2WRCE32S600P-2X/PG24K31/A1M-124

R901027188 2WRCE32S650L-2X/PG24K31/A1M-88

R901036037 2WRCE32S650L-2X/PG24K31/A1M-91

R901059018 2WRCE32S650L-2X/PG24K31/A1M-94

R901048950 2WRCE32S650L-2X/PG24K31/A1M-95

R901401801 2WRCE32S650L-2X/PG24K31/A1WK15M

R900743275 2WRCE32S650L-2X/PG24K31/A1WK15M-64

R901169814 2WRCE32S650L-2X/PG24K31/A1WL15M

R901174378 2WRCE32S650L-2X/PG24K31/C1M-74

R901402694 2WRCE32S650L-2X/PG24K31/C1WK15V

R901347152 2WRCE32S650L-2X/PG24K31/C1WL15M

R901044003 2WRCE40S1000L-2X/PG24K31/A1M-94

R901048948 2WRCE40S1000L-2X/PG24K31/A1M-95

R900729097 2WRCE40S1000L-2X/PG24K31/A1V-64

R901045227 2WRCE40S1000L-2X/PG24K31/A1WK15M

R901316592 2WRCE40S1000L-2X/PG24K31/C1M

R901402677 2WRCE40S1000L-2X/PG24K31/C1WK15V

R901347155 2WRCE40S1000L-2X/PG24K31/C1WL15M

R901115520 2WRCE40S700R-2X/PG24K31/A1M-121

R901206725 2WRCE40S700R-2X/PG24K31/A1M-124

R901154917 2WRCE40S700R-2X/PG24K31/A1M-129

R901033120 2WRCE40S700R-2X/PG24K31/A1M-64

R901048944 2WRCE40S700R-2X/PG24K31/A1M-95

R901231424 2WRCE40S700R-2X/PG24K31/A1WK15M

R901199043 2WRCE40S700R-2X/PG24K31/A1WK15M-107

R901096639 2WRCE40S700R-2X/PG24K31/A1WL15M

R901417204 2WRCE40S700R-2X/PG24K31/C1M

R901377143 2WRCE40S900P-2X/PG24K31/A1M-124

R900740694 2WRCE40S900P-2X/PG24K31/A1V

R901064878 2WRCE50S1100R-2X/PG24K31/A1M

R901383637 2WRCE50S1100R-2X/PG24K31/A1M-124

R901106766 2WRCE50S1100R-2X/PG24K31/A1M-94

R901065658 2WRCE50S1100R-2X/PG24K31/A1M-95

R900740695 2WRCE50S1100R-2X/PG24K31/A1V

R901190784 2WRCE50S1100R-2X/PG24K31/A1WK15M

R901230256 2WRCE50S1100R-2X/PG24K31/A1WK15M-107

R901320787 2WRCE50S1100R-2X/PG24K31/A1WL15M

R901090031 2WRCE50S1100R-2X/PG24K31/C1M

R901308536 2WRCE50S1100R-2X/PG24K31/C1M-124

R901108053 2WRCE50S1100R-2X/PG24K31/C1M-94

R901196540 2WRCE50S1100R-2X/PG24K31/C1WL15M

R901351913 2WRCE50S1450P-2X/PG24K31/A1M-124

R901192854 2WRCE50S1600L-2X/PG24K31/A1M-124

R901116643 2WRCE50S1600L-2X/PG24K31/A1M-94

R901262116 2WRCE50S1600L-2X/PG24K31/A1WK15M

R901406242 2WRCE50S1600L-2X/PG24K31/A1WK15M-107

R901419913 2WRCE50S1600L-2X/PG24K31/A1WK15M-124

R901230127 2WRCE50S1600L-2X/PG24K31/A1WL15M

R901086082 2WRCE50S1600L-2X/PG24K31/C1M

R901347156 2WRCE50S1600L-2X/PG24K31/C1WL15M

R901015735 2WRCE50S1960L-2X/PG24K31/C1M-71

力士乐REXROTH三通高速响应插装阀3WRCE...-2X/P

R901061386 3WRCE40V000P-2X/PG24K31/A1M-110

R900740693 3WRCE40V460L-2X/PG24K31/A1V

R901046778 3WRCE50E620P-2X/PG24K31/A1M-77

R901390429 3WRCE50E620P-2X/PG24K31/A1WL15V

R901169342 3WRCE50V000P-2X/PG24K31/A1M-135

R901176088 3WRCE50V000X-2X/PG24K31/A1M-136

R901186238 3WRCE50V000X-2X/PG24K31/A1M-137

R901044002 3WRCE50V720L-2X/PG24K31/A1M-94

R901190789 3WRCE50V720L-2X/PG24K31/A1WK15M

R901025109 3WRCE50V720L-2X/PG24K31/A1WK15V

R901061996 3WRCE50V720L-2X/PG24K31/C1M

力士乐REXROTH二通高响应插装阀2WRC(E)...-1X/S

R900563219 2WRC100D001-1X/E/M-8

R900529821 2WRC100K001-1X/E/M-2

R900559435 2WRC100K001-1X/P/M

R900901244 2WRC100K001-1X/P/M-25

R900956670 2WRC100K001-1X/S/M-12

R900571446 2WRC125D001-1X/P/M-3

R900927785 2WRC125K001-1X/E/M-2

R901420262 2WRC125K001-1X/E/V

R900553382 2WRC125K001-1X/P/M-3

R901214423 2WRC125K001-1X/S/M-54

R901214425 2WRC160K001-1X/S/M-54

R900935586 2WRC32D001-1X/S/M

R900578754 2WRC32K001-1X/E/M

R900944289 2WRC32K001-1X/E/M-2

R900537641 2WRC32K001-1X/P/M-5

R900519861 2WRC32K001-1X/S/M

R900928730 2WRC32S001-1X/S/M

R900529857 2WRC40D001-1X/S/M

R900578753 2WRC40K001-1X/E/M

R900941858 2WRC40K001-1X/E/M-2

R900577454 2WRC40K001-1X/S/M

R900554860 2WRC40K001-1X/S/M-7

R900546948 2WRC40K002-1X/S/M-7

R900905032 2WRC40S001-1X/S/M

R900929767 2WRC50D001-1X/S/M

R900957434 2WRC50K001-1X/E/M

R900918126 2WRC50K001-1X/E/M-2

R900529238 2WRC50K001-1X/S/M

R900728014 2WRC50K001-1X/S/M-65

R900560651 2WRC50K002-1X/S/M-7

R900249343 2WRC50S001-1X/S/M

R900935587 2WRC63D001-1X/S/M-38

R901043901 2WRC63D001-1X/S/M-92

R900552261 2WRC63K001-1X/E/M-2

R900552505 2WRC63K001-1X/S/M-16

R900563220 2WRC80D001-1X/E/M-8

R901043903 2WRC80D001-1X/S/M-93

R900547090 2WRC80K001-1X/E/M-2

R901232770 2WRC80S001-1X/S/M

R901100800 2WRCE100D001-1X/SG24/LM-116

R900962180 2WRCE100D001-1X/SG24/LM-37

R901182306 2WRCE100D001-1X/SG24/LM-53

R900786565 2WRCE100D001-1X/SG24/LM-59

R901083245 2WRCE100D001-1X/SG24/LM-83

R900965652 2WRCE100D001-1X/SG24/M-53

R900708807 2WRCE100D001-1X/SG24/M-56

R901037795 2WRCE100D001-1X/SG24/M-59

R900905771 2WRCE100K001-1X/EG15/M-30

R901189419 2WRCE100K001-1X/PG24/M-120

R900575791 2WRCE100K001-1X/SG15/LM-21

R900924584 2WRCE100K001-1X/SG15/M-34

R900571444 2WRCE100K001-1X/SG24/LM-12

R900926471 2WRCE100K001-1X/SG24/LM-36

R901083107 2WRCE100K001-1X/SG24/LM-53

R901264283 2WRCE100K001-1X/SG24/M

R900571445 2WRCE100K001-1X/SG24/M-12

R901242265 2WRCE100K001-1X/SG24/M-143

R901183371 2WRCE100K001-1X/SG24/M-53

R901161311 2WRCE100K001-1X/SG24/M-54

R901022804 2WRCE100K001-1X/SG24/M-86

R901325646 2WRCE100K001-1X=SG24/M

R900911150 2WRCE100K003-1X/SG24/M-12

R900936791 2WRCE100K003-1X/SG24/M-36

R900247001 2WRCE100K003-1X/SG24/M-58

R901083585 2WRCE100S002-1X/PG24/M-66

R901324978 2WRCE100S002-1X/PG24/V-124

R900917361 2WRCE100S002-1X/SG15/M-21

R900951373 2WRCE100S002-1X/SG15/M-46

R900768561 2WRCE100S002-1X/SG15/M-73

R901041740 2WRCE100S002-1X/SG24/M-37

R901312446 2WRCE100S002-1X/SG24/M-54

R900941140 2WRCE125D001-1X/EG15/M-30

R901161471 2WRCE125D001-1X/SG24/LM-53

R900940860 2WRCE125D001-1X/SG24/M-37

R900965653 2WRCE125D001-1X/SG24/M-53

R900556309 2WRCE125K001-1X/PG15/M-3

R900571442 2WRCE125K001-1X/SG15/LM-13

R901208203 2WRCE125K001-1X/SG24/LM-138

R900926472 2WRCE125K001-1X/SG24/LM-36

R901164032 2WRCE125K001-1X/SG24/LM-53

R901216117 2WRCE125K001-1X/SG24/LM-54

R901264336 2WRCE125K001-1X/SG24/M

R901242864 2WRCE125K001-1X/SG24/M-143

R901311774 2WRCE125K001-1X/SG24/M-144

R901017900 2WRCE125K001-1X/SG24/M-53

R901267684 2WRCE125K001-1X/SG24/M-54

R901051259 2WRCE125S001-1X/SG15/M-80

R900950688 2WRCE160D001-1X/SG24/M-37

R900918952 2WRCE32D001-1X/SG24/M

R900951199 2WRCE32D001-1X/SG24/M-35

R900940862 2WRCE32D001-1X/SG24/M-37

R900550191 2WRCE32K001-1X/PG24/M-5

R900547613 2WRCE32K001-1X/SG24/M-12

R900964805 2WRCE32K001-1X/SG24/M-36

R900940861 2WRCE32K001-1X/SG24/M-37

R900717938 2WRCE32K001-1X/SG24/M-39

R900537640 2WRCE32K001-1X/SG24/M-4

R900965087 2WRCE32K001-1X/SG24/M-53

R900706316 2WRCE32K001-1X/SG24/V-61

R900919778 2WRCE32S001-1X/SG24/M

R900929655 2WRCE32S001-1X/SG24/M-37

R900547801 2WRCE40D001-1X/SG24/M

R900708804 2WRCE40D001-1X/SG24/M-56

R900969010 2WRCE40D001-1X/SG24/V-37

R900976004 2WRCE40D001-1X/SG24/V-56

R900548491 2WRCE40K001-1X/SG15/M-15

R900557116 2WRCE40K001-1X/SG15/M-19

R900547614 2WRCE40K001-1X/SG24/M-12

R900962738 2WRCE40K001-1X/SG24/M-36

R900724037 2WRCE40K001-1X/SG24/M-37

R900965650 2WRCE40K001-1X/SG24/M-54

R900909345 2WRCE40K002-1X/SG15/M-19

R900979469 2WRCE40S001-1X/SG24/M

R900955087 2WRCE40S001-1X/SG24/M-12

R900979575 2WRCE40S001-1X/SG24/M-36

R900974337 2WRCE50D001-1X/SG24/LM-36

R900907275 2WRCE50D001-1X/SG24/M

R900928787 2WRCE50D001-1X/SG24/M-2

R900962547 2WRCE50D001-1X/SG24/M-36

R900708805 2WRCE50D001-1X/SG24/M-56

R900969099 2WRCE50D001-1X/SG24/V-53

R900718468 2WRCE50D001-1X/SG24/V-56

R900977697 2WRCE50D001-1X/SG24/V-57

R900917148 2WRCE50K001-1X/SG15/M-20

R900956686 2WRCE50K001-1X/SG15/M-43

R900962253 2WRCE50K001-1X/SG15/M-52

R900547615 2WRCE50K001-1X/SG24/M-12

R900902194 2WRCE50K001-1X/SG24/M-2

R900933405 2WRCE50K001-1X/SG24/M-36

R900579924 2WRCE50K002-1X/SG15/M-20

R900924763 2WRCE50S001-1X/SG24/M

R900724266 2WRCE50S001-1X/SG24/M-2

R900930697 2WRCE50S001-1X/SG24/M-37

R901264958 2WRCE63D001-1X/PG24/M-124

R901094888 2WRCE63D001-1X/PG24/M-66

R901096626 2WRCE63D001-1X/PG24/M-81

R900940863 2WRCE63D001-1X/SG24/M-37

R901337225 2WRCE63D001-1X/SG24/M-53

R901318762 2WRCE63D001-1X/SG24/M-54

R900708806 2WRCE63D001-1X/SG24/M-56

R901037801 2WRCE63D001-1X/SG24/M-59

R900974747 2WRCE63D001-1X/SG24/V-37

R900976006 2WRCE63D001-1X/SG24/V-56

R901325647 2WRCE63D001-1X=SG24/M

R901110657 2WRCE63K001-1X/PG24/M-120

R900733105 2WRCE63K001-1X/PG24/M-66

R901160262 2WRCE63K001-1X/PG24/M-81

R900554948 2WRCE63K001-1X/SG15/M-16

R900902949 2WRCE63K001-1X/SG15/M-27

R900911698 2WRCE63K001-1X/SG15/M-31

R900948285 2WRCE63K001-1X/SG15/M-44

R901035921 2WRCE63K001-1X/SG15/M-89

R901103670 2WRCE63K001-1X/SG24/M

R900933404 2WRCE63K001-1X/SG24/M-36

R900724035 2WRCE63K001-1X/SG24/M-37

R900724198 2WRCE63K001-1X/SG24/M-38

R900937106 2WRCE63K001-1X/SG24/M-39

R901362000 2WRCE63K001-1X/SG24/M-53

R900965651 2WRCE63K001-1X/SG24/M-54

R900968996 2WRCE63K001-1X/SG24/V-37

R900976005 2WRCE63K001-1X/SG24/V-56

R901325648 2WRCE63K001-1X=SG24/M

R901169979 2WRCE63S001-1X/PG24/M-120

R900765386 2WRCE63S001-1X/PG24/M-66

R900956264 2WRCE63S001-1X/SG15/M-48

R901187881 2WRCE63S001-1X/SG24/M

R901196178 2WRCE63S001-1X/SG24/M-124

R900959948 2WRCE63S001-1X/SG24/M-37

R901018185 2WRCE63S001-1X/SG24/M-53

R901161308 2WRCE63S001-1X/SG24/M-54

R900782599 2WRCE63S001-1X/SG24/M-59

R900781431 2WRCE63S001-1X/SG24/M-75

R900704239 2WRCE63S001-1X/SG24/V-37

R901264956 2WRCE80D001-1X/PG24/M-124

R901265198 2WRCE80D001-1X/SG24/LM-36

R901264284 2WRCE80D001-1X/SG24/M

R900940703 2WRCE80D001-1X/SG24/M-37

R901297760 2WRCE80D001-1X/SG24/M-53

R900616866 2WRCE80D001-1X/SG24/M-59

R901153660 2WRCE80D002-1X/SG15/M-55

R901086135 2WRCE80K001-1X/PG24/M-112

R901106811 2WRCE80K001-1X/PG24/M-119

R901138311 2WRCE80K001-1X/PG24/M-120

R901010545 2WRCE80K001-1X/PG24/M-66

R900555437 2WRCE80K001-1X/SG15/M-18

R900578398 2WRCE80K001-1X/SG15/M-23

R900924582 2WRCE80K001-1X/SG15/M-33

R900948286 2WRCE80K001-1X/SG15/M-45

R900956358 2WRCE80K001-1X/SG15/M-50

R900970412 2WRCE80K001-1X/SG15/M-55

R901035922 2WRCE80K001-1X/SG15/M-90

R900571443 2WRCE80K001-1X/SG24/LM-12

R900926470 2WRCE80K001-1X/SG24/LM-36

R901114013 2WRCE80K001-1X/SG24/M

R900770095 2WRCE80K001-1X/SG24/M-37

R901017897 2WRCE80K001-1X/SG24/M-53

R901183368 2WRCE80K001-1X/SG24/M-54

R900785621 2WRCE80K001-1X/SG24/M-56

R900744485 2WRCE80K001-1X/SG24/M-59

R901228588 2WRCE80S001-1X/PG24/M-120

R901002333 2WRCE80S001-1X/PG24/M-66

R901324979 2WRCE80S001-1X/PG24/V-124

R900939777 2WRCE80S001-1X/SG24/M-36

R900937009 2WRCE80S001-1X/SG24/M-37

R900955436 2WRCE80S001-1X/SG24/M-49

R901206285 2WRCE80S001-1X/SG24/M-53

R901187880 2WRCE80S001-1X/SG24/M-54

R901020999 2WRCE80S001-1X/SG24/M-59

R901161408 2WRCE160D001-1X/SG24/LM-53

R901083109 2WRCE160K001-1X/SG24/LM-53

R901216114 2WRCE160K001-1X/SG24/LM-54

力士乐REXROTH二通高响应插装阀2WRCE...-2X/S

R900772761 2WRCE32S480R-2X/SG24K31/A1M-68

R901163995 2WRCE32S480R-2X/SG24K31/A1WL15M

R901362145 2WRCE32S480R-2X/SG24K31/C1M

R901045973 2WRCE32S600P-2X/SG24K31/A1M

R901341653 2WRCE32S600P-2X/SG24K31/A1WL15M

R901042087 2WRCE32S600P-2X/SG24K31/A5M

R901225526 2WRCE32S650L-2X/SG24K31/A1WK15M

R901086851 2WRCE32S650L-2X/SG24K31/A1WL15M

R901216035 2WRCE32S650L-2X/SG24K31/A5WK15M

R901409303 2WRCE32S650L-2X/SG24K31/C1WK15V

R901020077 2WRCE32S780L-2X/SG24K31/A1M-64

R901020046 2WRCE40S000L-2X/SG15K31/A1M-71

R901047834 2WRCE40S1000L-2X/SG15K31/A1M

R901104542 2WRCE40S1000L-2X/SG15K31/A1M-64

R901160792 2WRCE40S1000L-2X/SG24K31/A1V

R900723331 2WRCE40S1000L-2X/SG24K31/A1V-64

R901076859 2WRCE40S1000L-2X/SG24K31/A1WK15M

R901239471 2WRCE40S1000L-2X/SG24K31/A5M

R901216036 2WRCE40S1000L-2X/SG24K31/A5WK15M

R901182305 2WRCE40S700R-2X/SG24K31/A1WK15M-76

R901190530 2WRCE40S700R-2X/SG24K31/A1WL15M

R901172581 2WRCE40S700R-2X/SG24K31/A5M

R901288850 2WRCE40S700R-2X/SG24K31/C1M

R901356698 2WRCE40S700R-2X/SG24K31/C1M-153

R901041292 2WRCE40S900P-2X/SG24K31/A1V

力士乐REXROTH三通高响应插装阀3WRC(E)...-1X/S

R900927091 3WRCE100L006-1X/SG15/LM-37

R901007469 3WRCE100L006-1X/SG24/M-54

R900561847 3WRCE100V001-1X/SG15/M-6

R900577829 3WRCE32L001-1X/SG24/M-1

R900901789 3WRCE32L001-1X/SG24/M-24

R900972198 3WRCE32L001-1X/SG24/M-9

R900566057 3WRCE32L001-1X=SG24/M-1=FP

R900909344 3WRCE32L002-1X/SG15/M

R900924215 3WRCE32L002-1X/SG15/M-35

R900551244 3WRCE32L002-1X/SG24/M

R900553479 3WRCE32L002-1X/SG24/M-1

R900577793 3WRCE32L002-1X/SG24/M-24

R900944308 3WRCE32L002-1X/SG24/M-37

R900901228 3WRCE32L003-1X/SG24/M-26

R900901229 3WRCE32L004-1X/SG24/M-26

R900902018 3WRCE32L005-1X/SG15/M-28

R900944749 3WRCE32L006-1X/SG15/M

R900955195 3WRCE32L006-1X/SG15/M-35

R900728013 3WRCE32L006-1X/SG15/M-65

R900944747 3WRCE32L006-1X/SG24/M-37

R900706315 3WRCE32L006-1X/SG24/V-61

R900951938 3WRCE40L002-1X/SG24/M-37

R900920637 3WRCE40V001-1X/SG24/M-28

R900950901 3WRCE40V001-1X/SG24/M-37

R900723611 3WRCE50E001-1X/SG24/M-37

R900905974 3WRCE50L002-1X/SG15/M-19

R900956687 3WRCE50L006-1X/SG15/M-43

R900952956 3WRCE50L006-1X/SG24/M-37

R900956903 3WRCE50L006-1X/SG24/M-51

R900700768 3WRCE50L006-1X/SG24/M-60

R900920636 3WRCE50V001-1X/SG24/M-28

R900932892 3WRCE50V001-1X/SG24/M-37

R900723608 3WRCE63E001-1X/SG24/M-37

R900918031 3WRCE63L002-1X/SG15/LM-32

R900578395 3WRCE63L002-1X/SG15/M-22

R900902098 3WRCE63L002-1X/SG15/M-29

R900911697 3WRCE63L002-1X/SG15/M-32

R900952955 3WRCE63L006-1X/SG24/M-37

R900956904 3WRCE63L006-1X/SG24/M-51

R900758861 3WRCE80E001-1X/SG24/M-37

R901327004 3WRCE80E001-1X/SG24/V

R900924583 3WRCE80L002-1X/SG15/LM-33

R900974972 3WRCE80L002-1X/SG15/LM-55

R901035923 3WRCE80L002-1X/SG15/LM-90

R900927422 3WRCE80L006-1X/SG15/LM-37

R900947517 3WRCE80L006-1X/SG24/M-37

力士乐REXROTH三通高响应插装阀3WRCE...-2X/S

R900974179 3WRCE32V180L-2X/SG24K31/A5M-63=FP

R900742401 3WRCE32V180L-2X/SG24K31/A5M-67

R901015682 3WRCE32V180L-2X/SG24K31/A5M-70

R901015875 3WRCE32V180L-2X/SG24K31/A5M-85

R901062727 3WRCE32V290L-2X/SG24K31/C1M

R901006896 3WRCE32V300L-2X/SG24K31/A1M-71

R901223177 3WRCE40E440L-2X/SG24K31/A1M

R901021128 3WRCE40V000P-2X/SG24K31/C5M-109

R901166969 3WRCE40V000P-2X/SG24K31/C5M-132

R901138400 3WRCE40V000R-2X/SG24K31/A1M-126

R901071903 3WRCE40V000R-2X/SG24K31/A1WK15M-149

R901216798 3WRCE40V000X-2X/SG24K31/C5M-140

R901049500 3WRCE40V460L-2X/SG24K31/A1WK15M

R901340701 3WRCE40V460L-2X/SG24K31/C1M

R900972593 3WRCE40V460L-2X/SG24K31/C5M-78

R901170439 3WRCE50E000P-2X/SG24K31/A1M-71

R901238667 3WRCE50E620P-2X/SG24K31/A1M

R901061077 3WRCE50V000L-2X/SG15K31/A1M-72

R901101462 3WRCE50V000P-2X/SG24K31/C5M-118

R901166970 3WRCE50V000P-2X/SG24K31/C5M-133

R901402953 3WRCE50V000X-2X/SG24K31/A1M-140

R901212336 3WRCE50V000X-2X/SG24K31/C5M-140

R901079829 3WRCE50V720L-2X/SG15K31/A3M-43

R901092615 3WRCE50V720L-2X/SG24K31/A1M-114

R901132212 3WRCE50V720L-2X/SG24K31/A1M-124

R901016681 3WRCE50V720L-2X/SG24K31/A1M-2

R900740697 3WRCE50V720L-2X/SG24K31/A1V

R901396234 3WRCE50V720L-2X/SG24K31/A1WK15M

R901036805 3WRCE50V720L-2X/SG24K31/A1WL15M

R901116591 3WRCE50V720L-2X/SG24K31/A5M

R901127021 3WRCE50V720L-2X/SG24K31/A5M-124

R901441665 3WRCE50V720L-2X/SG24K31/C1/M

R901166968 3WRCE50V720L-2X/SG24K31/C5M-131

R901438334 3WRCE50V730P-2X/SG24K31/C1M-71

力士乐REXROTH定向伺服阀

力士乐REXROTH四通伺服方向阀4WS.2E...

R900243949 4WS2EM6-2X/10B11ET210K17EV

R900732437 4WS2EM6-2X/10B11ET315K17BV

R900971966 4WS2EM6-2X/10B11ET315K17DV

R900951450 4WS2EM6-2X/10B11ET315K17EV

R900968674 4WS2EM6-2X/10B12ET210K17EV

R900725478 4WS2EM6-2X/10B12ET315K17DV

R900968833 4WS2EM6-2X/10B12ET315K17EV

R901304925 4WS2EM6-2X/15B11ET210K17DV

R901030853 4WS2EM6-2X/15B11ET210K17EV

R900951451 4WS2EM6-2X/15B11ET315K17EV

R900969730 4WS2EM6-2X/15B12ET210K17EV

R900970191 4WS2EM6-2X/15B12ET315K17EV

R900763984 4WS2EM6-2X/20B11ET210K17EV

R901270775 4WS2EM6-2X/20B11ET315K17BV

R901026397 4WS2EM6-2X/20B11ET315K17CV

R901013793 4WS2EM6-2X/20B11ET315K17DV

R900951452 4WS2EM6-2X/20B11ET315K17EV

R901043233 4WS2EM6-2X/20B12ET210K17DV

R900617993 4WS2EM6-2X/20B12ET210K17EV

R901045632 4WS2EM6-2X/20B12ET315K17DV

R900970190 4WS2EM6-2X/20B12ET315K17EV

R901423633 4WS2EM6-2X/25B11ET210K17EV

R901428731 4WS2EM6-2X/25B11ET315K17CV

R901388023 4WS2EM6-2X/25B11ET315K17DV

R901091476 4WS2EM6-2X/25B11ET315K17EV

R901168900 4WS2EM6-2X/2B11ET210K17DV

R900773305 4WS2EM6-2X/2B11ET210K17EV

R901249046 4WS2EM6-2X/2B11ET315K17BV

R900736699 4WS2EM6-2X/2B11ET315K17DV

R900950929 4WS2EM6-2X/2B11ET315K17EV

R900248456 4WS2EM6-2X/2B12ET210K17EV

R900971159 4WS2EM6-2X/2B12ET315K17EV

R901119096 4WS2EM6-2X/5B11ET210K17DV

R900974304 4WS2EM6-2X/5B11ET210K17EV

R901276862 4WS2EM6-2X/5B11ET315K17AV

R901249053 4WS2EM6-2X/5B11ET315K17BV

R901205887 4WS2EM6-2X/5B11ET315K17CV

R901000155 4WS2EM6-2X/5B11ET315K17DV

R900951449 4WS2EM6-2X/5B11ET315K17EV

R900617678 4WS2EM6-2X/5B12ET210K17EV

R900970346 4WS2EM6-2X/5B12ET315K17EV

R901350804 4WS2EM6-2X=20B12ET315K17EV

R901283228 4WS2EM6-2X=2B11ET210K17EV

R901023680 4WSE2EM6-2X/10B8ET210K17EV

R900248931 4WSE2EM6-2X/10B8ET315K17EV

R900967982 4WSE2EM6-2X/10B9ET210K17EV

R900749130 4WSE2EM6-2X/10B9ET315K17DV

R900952166 4WSE2EM6-2X/10B9ET315K17EV

R901419770 4WSE2EM6-2X/15B8ET210K17DV

R901183361 4WSE2EM6-2X/15B8ET210K17EV

R901083564 4WSE2EM6-2X/15B8ET315K17EV

R901304926 4WSE2EM6-2X/15B9ET210K17DV

R901136727 4WSE2EM6-2X/15B9ET210K17EV

R900775489 4WSE2EM6-2X/15B9ET315K17DV

R900952167 4WSE2EM6-2X/15B9ET315K17EV

R901003913 4WSE2EM6-2X/20B8ET210K17EV

R900718707 4WSE2EM6-2X/20B8ET315K17EV

R900968835 4WSE2EM6-2X/20B9ET210K17EV

R901020344 4WSE2EM6-2X/20B9ET315K17DV

R900952168 4WSE2EM6-2X/20B9ET315K17EV

R901035226 4WSE2EM6-2X/20B9ET315K17EV-121

R901204766 4WSE2EM6-2X/25B9ET210K17DV

R901188952 4WSE2EM6-2X/25B9ET315K17DV

R901176734 4WSE2EM6-2X/25B9ET315K17EV

R900968193 4WSE2EM6-2X/2B8ET210K17EV

R900977929 4WSE2EM6-2X/2B8ET315K17EV

R901201988 4WSE2EM6-2X/2B9ET210K17DV

R900967114 4WSE2EM6-2X/2B9ET210K17EV

R901377881 4WSE2EM6-2X/2B9ET315K17DV

R900952164 4WSE2EM6-2X/2B9ET315K17EV

R901103115 4WSE2EM6-2X/5B8ET210K17EV

R900972861 4WSE2EM6-2X/5B8ET315K17EV

R900970565 4WSE2EM6-2X/5B9ET210K17EV

R900969823 4WSE2EM6-2X/5B9ET315K17DV

R900952165 4WSE2EM6-2X/5B9ET315K17EV

力士乐REXROTH具农业生产体系械位置反馈的定向伺服阀4WS2EM 6…XN

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R901259413 4WS2EM6-2X/20B11XNET315K17EV

R901259418 4WS2EM6-2X/2B11XNET315K17EV

力士乐REXROTH三位四通方向伺服阀，机械位置反馈4WS2EM 6…XN-100

R901038987 4WS2EM6-2X/10B11XNET315K17EV-100

R901007772 4WS2EM6-2X/20B11XNET315K17EV-100

R901079959 4WS2EM6-2X/2B11XNET315K17EV-100

R901057853 4WS2EM6-2X/5B11XNET315K17EV-100

R901444388 4WS2EM6-2X=20B11XNET315K17EV-100

力士乐REXROTH三位四通方向伺服阀，机械位置反馈4WS2EM 6…XN-102

R901068705 4WS2EM6-2X/10B11XNET315K17EV-102

R901185876 4WS2EM6-2X/15B11XNET315K17EV-102

R901007768 4WS2EM6-2X/20B11XNET315K17EV-102

R901009654 4WS2EM6-2X/5B11XNET315K17EV-102

R901410942 4WS2EM6-2X=20B11XNET315K17EV-102

R901402478 4WS2EM6-2X=5B11XNET315K17EV-102

力士乐REXROTH四通伺服方向阀4WS.2E...

R901440954 4WS2ED10-5X/20B11T210K31EV-117

R900935430 4WS2ED10-5X/30B11-315K31EV-3

R901062614 4WS2EM10-5X/10B0ET210K31CV-112

R901163649 4WS2EM10-5X/10B11-210K31AV

R901226177 4WS2EM10-5X/10B11-315K31DV

R901007871 4WS2EM10-5X/10B11ET210K31AV

R901316230 4WS2EM10-5X/10B11ET210K31EV

R901440356 4WS2EM10-5X/10B11ET210K8AV

R901324620 4WS2EM10-5X/10B11ET315K31AV

R900731500 4WS2EM10-5X/10B11ET315K31BV

R900731499 4WS2EM10-5X/10B11ET315K31DV

R900956128 4WS2EM10-5X/10B11ET315K31EV

R901146496 4WS2EM10-5X/10B11ET315K8AV

R900750593 4WS2EM10-5X/10B11ET315K8BV

R900750594 4WS2EM10-5X/10B11ET315K8DV

R901036406 4WS2EM10-5X/10B11ET315K8EV

R901028101 4WS2EM10-5X/10B11T210K8DV

R901231781 4WS2EM10-5X/10B11T315K31BV

R900777394 4WS2EM10-5X/10B11T315K31CV-114

R901212414 4WS2EM10-5X/10B11T315K31DV

R900734769 4WS2EM10-5X/10B11T315K31EV

R901091443 4WS2EM10-5X/10B11T315K8AV

R901177204 4WS2EM10-5X/10B11T315K8DV-104

R901096778 4WS2EM10-5X/10B11VH1ET315K31DV-114

R901354656 4WS2EM10-5X/10B11VH1T210K31EV-102

R901368500 4WS2EM10-5X/20B0T210K31CV-112

R900618307 4WS2EM10-5X/20B11-210K31EV

R900968207 4WS2EM10-5X/20B11-210K8EV

R901222509 4WS2EM10-5X/20B11-315K31DV

R900958263 4WS2EM10-5X/20B11-315K31EV

R900968208 4WS2EM10-5X/20B11-315K8EV

R901247334 4WS2EM10-5X/20B11E210K31EV

R901004030 4WS2EM10-5X/20B11ET210K31AV

R901035573 4WS2EM10-5X/20B11ET210K31BV

R900730751 4WS2EM10-5X/20B11ET210K31EV

R901357022 4WS2EM10-5X/20B11ET210K8AV

R901077583 4WS2EM10-5X/20B11ET210K8DV

R901003007 4WS2EM10-5X/20B11ET315K31AV

R900731497 4WS2EM10-5X/20B11ET315K31BV

R900768723 4WS2EM10-5X/20B11ET315K31CV

R901342692 4WS2EM10-5X/20B11ET315K31CV-114

R900731498 4WS2EM10-5X/20B11ET315K31DV

R900909227 4WS2EM10-5X/20B11ET315K31EV

R978005969 4WS2EM10-5X/20B11ET315K31EV-EFF00179

R901022764 4WS2EM10-5X/20B11ET315K8AV

R900244674 4WS2EM10-5X/20B11ET315K8BV

R901065784 4WS2EM10-5X/20B11ET315K8DV

R900767011 4WS2EM10-5X/20B11ET315K8EV

R901391356 4WS2EM10-5X/20B11ET315K8EV-136

R901127976 4WS2EM10-5X/20B11T210K31DV

R900949224 4WS2EM10-5X/20B11T210K31EV

R901015712 4WS2EM10-5X/20B11T315K31CV-114

R901059697 4WS2EM10-5X/20B11T315K31DV

R901095313 4WS2EM10-5X/20B11T315K31EV

R900770650 4WS2EM10-5X/20B11T315K8DV

R901177205 4WS2EM10-5X/20B11T315K8DV-104

R901070225 4WS2EM10-5X/20B11T315K8EV

R901096779 4WS2EM10-5X/20B11VH1ET315K31DV-114

R901103270 4WS2EM10-5X/20B11VH1T210K31DV-128

R901354660 4WS2EM10-5X/20B11VH1T210K31EV-102

R901096777 4WS2EM10-5X/20B11VH1T315K31DV-104

R901368501 4WS2EM10-5X/30B0T210K31CV-112

R901060775 4WS2EM10-5X/30B11-210K8AV

R901166998 4WS2EM10-5X/30B11E210K31EV

R901074092 4WS2EM10-5X/30B11E315K31EV

R901119977 4WS2EM10-5X/30B11ET210K31DV

R900909226 4WS2EM10-5X/30B11ET210K31EV

R901098041 4WS2EM10-5X/30B11ET315K31AV

R900781091 4WS2EM10-5X/30B11ET315K31BV

R900718129 4WS2EM10-5X/30B11ET315K31CV

R901291176 4WS2EM10-5X/30B11ET315K31CV-114

R900956874 4WS2EM10-5X/30B11ET315K31DV

R900949285 4WS2EM10-5X/30B11ET315K31EV

R978005970 4WS2EM10-5X/30B11ET315K31EV/EFF00179

R901043430 4WS2EM10-5X/30B11ET315K8AV

R901113388 4WS2EM10-5X/30B11ET315K8DV

R901259664 4WS2EM10-5X/30B11ET315K8EV

R901431600 4WS2EM10-5X/30B11T210K31CV-114

R901382596 4WS2EM10-5X/30B11T210K8AV

R901075694 4WS2EM10-5X/30B11T315K31AV

R901029799 4WS2EM10-5X/30B11T315K31CV

R900784668 4WS2EM10-5X/30B11T315K31CV-114

R900950890 4WS2EM10-5X/30B11T315K31EV

R978014958 4WS2EM10-5X/30B11T315K31EVS043A-1793

R901105592 4WS2EM10-5X/30B11T315K8DV

R901020279 4WS2EM10-5X/30B11T315K8EV

R901096781 4WS2EM10-5X/30B11VH1ET315K31DV-114

重锤杠杆式安全阀是利用重锤和杠杆来平衡作用在阀瓣上的力。根据杠杆原理，它可以使用质量较小的重锤通过杠杆的加大作用获得较大的作用力，并通过移动重锤的位置(或变换重锤的质量)来调整安全阀的开启压力。重锤杠杆式安全阀结构简单，调整容易而又比较准确，所加的载荷不会因阀瓣的升高而有较大的增加，适用于温度较高的场合，过去用得比较普遍，特别是用在锅炉和温度较高的压力容器上。但重锤杠杆式安全阀结构比较笨重，加载机构容易振动，并常因振动而产生泄漏；其回座压力较低，开启后不易关闭及保持严密。