4WRPEH6C3B04L-2X/G24K0/F1M力士乐Rexroth伺服比例阀

力士乐伺服阀的工作原理：Rexroth伺服阀由永磁力矩马达、喷嘴、档板、阀芯、阀套和控制腔组成(见图)。当输入线圈通入电流  伺服阀时，档板向右移动，使右边喷嘴的节流作用加强，流量减少，右侧背压上升；同时使左边喷嘴节流作用减小，流量增加，左侧背压下降。阀芯两端的作用力失去平衡, 阀芯遂向左移动。高压油从S流向C2，送到负载。负载回油通过 C1流过回油口，进入油箱。阀芯的位移量与力矩马达的输入电流成正比，作用在阀芯上的液压力与弹簧力相平衡，因此在平衡状态下力矩马达的差动电流与阀芯的位移成正比。如果输入的电流反向，则流量也反向。表中是伺服阀的分类。

　　力士乐伺服阀主要用在电气液压伺服系统中作为执行元件（见液压伺服系统）。在伺服系统中，液压执行机构同电气及气动执行机构相比，具有快速性好、单位重量输出功率大、传动平稳、抗干扰能力强等特点。另一方面，在伺服系统中传递信号和校正特性时多用电气元件。因此，现代高性能的伺服系统也都采用电液方式，力士乐伺服阀就是这种系统的必需元件。力士乐伺服阀结构比较复杂，造价高，对油的质量和清洁度要求高。新型的伺服阀正试图克服这些缺点，例如利用电致伸缩元件的伺服阀，使结构大为简化。另一个方向是研制特殊的工作油（如电气粘性油）。这种工作油能在电磁的作用下改变粘性系数。利用这一性质就可通过电信号直接控制油流。

　　力士乐伺服电磁阀4WRPH系列

　　直控式，带电气位置反馈，带内置放大器

　　通径：6 和 10

　　2X系列

　　工作压力350 bar

　　6通径流量40 L/min

　　10通径流量1000L/min

811402016DBETX-1X/315G24-8NZ4M

811402017DBETX-1X/180G24-8NZ4M

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4WREE6E-32-23/G24K31/A1V-655

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4WRAE10E60-22/G24N9K31/A1V

4WRAE10E60-22/G24N9K31/F1V

4WRAE10W60-22/G24N9K31/A1V

4WRAE10W60-22/G24K31/F1V

4WRAE10W60-22/G24N9K31/F1V

4WRAE10W1-60-2X/G24N9K31/A1V

4WRAE10W1-60-2X/G24N9K31/F1V

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4WRKE16W6-200L-3X/6EG24ETK31/A1D3M

4WRKE16W8-200L-3X/6EG24ETK31/A1D3M

4WRKE16W8-200L-3X/6EG24ETK31/F1D3M

4WRKE25E350L-3X/6EG24EK31/A1D3M

4WRKE25E350L-3X/6EG24ETK31/A1D3M08114046434WRPEH6C3B25P-2X/G24K0/A1M

力士乐液压元件:柱塞泵A10VSO、电磁阀4WE、溢流阀DBW、节流阀Z2S、Z2F、叶片泵PV7、齿轮泵PH2,PH4,PGF、压力继电器HED、博世放大器阀0811、0820、齿轮泵0510、减压阀DR、ZDR、4WREE、4WRPE等系列***现货优势供应

08114046224WRPEH6C3B24L-2X/G24K0/B5M

08114046334WRPEH6C3B24L-2X/G24K0/F1M

08114046434WRPEH6C3B25P-2X/G24K0/A1M

08114046354WRPEH6C3B25P-2X/G24K0/B5M

08114046034WRPEH6C3B40L-2X/G24K0/A1M

08114046134WRPEH6C4B40L-2X/G24K0/A1M

08114046034WRPEH6C3B40L-2X/G24K0/A1M

08114047354WRPEH6C3B40L-2X/G24K0/B5M

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08114046444WRPEH6C3B40P-2X/G24K0/A1M

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08114046134WRPEH6C4B40L-2X/G24K0/A1M

08114046384WRPEH6C4B40L-2X/G24K0/A1V

08114043534WRPEH6C4B40L-2X/G24K0/F1M

R9011368614WRPEH6C4B40L-2X/G24K0/F1V

08114046474WRPEH6C4B40P-2X/G24K0/A1M

08114043564WRPEH6C4B40P-2X/G24K0/B5M

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08114046484WRPEH6C5B40P-2X/G24K0/A1M

08114046044WRPEH6KB50P-2X/G24K0/A1M

力士乐比例阀,比例流量阀液压阀

带位置反馈的先导式比例方向阀有10通径和35通径两种规格，高工作压力350bar，大流量3000L/min.

特点：

先导控制二级比例方向阀；阀用于控制液流的方向和大小；

通过比例电磁铁控制；

使用电位置反馈；

主阀芯弹簧对中；

先导控制为单级比例方向阀；

内置放大器。

08114041204WRP6W14S-1X/G24Z4/M

08114041214WRP6W28S-1X/G24Z4/M

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0510725030AZPF-1X-022RCB20MB

PGF2-2X/011RE01VE4

PV7-1X/06-14RA01MA0-07

型号

S8A31B

SL10GB3-4X

SL10GB1\2-4X

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4WMM10EA3X

4WMM10E3X

4WMM10J3X

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DBDS6G18/400(315)

DBDS10P18/400

4WE10D33/CW110N9K4

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DRC5-52/200Y

1PF2G-331/038RC07MS(0510990081)

ZDB10VB2-41/100

DZ6DP2-53/150YM