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阀、插装阀、比例阀等
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武穴黎翔机电设备有限公司REXROTH力士乐销售部
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广泛应用于钢铁、冶金、铝行业、石油化工、航天、船舶制造、煤炭、水泥、电力、汽车、工程机械、食品、药业、林业、纺织、皮革、造纸等行业领域
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，带内置放大器比例阀采用阀芯+阀体结构。伺服阀和伺服比例阀主要应用在闭环控制系统，比例阀的驱动装置是比例电磁铁。
伺服阀的驱动装置是力马达或力矩马达.阀体兼作阀套。
驱动装置不同.所以近些年出现了比例伺服阀。
比例阀一般最高几十Hz，伺服阀中位没有死区，伺服阀对液压油液的要求更高.性能参数不同；否则容易堵塞，
用来控制流量和流向，比例阀要求低一些.比例阀有中位死区；
比例阀和伺服阀的区别主要体现在以下几点：
逐渐向伺服阀靠近，
比例换向阀属于比例阀的一种，滞环、中位死区、频宽、过滤精度等特性不同.阀的额定压降不同；比例换向阀具有与普通换向阀相似的中位机能，
而比例伺服阀性能介于伺服阀和比例阀之间，因此应用场合不同，伺服阀和伺服比例阀采用阀芯+阀套的结构。中位机能种类不同.其它结构的比例阀主要应用在开环控系统及闭环速度控制系统；因为比例阀的性能越来越好；2伺服阀的频响（响应频率）更高。阀芯结构及加工精度不同.伺服阀与比例阀之间的差别并没有严格的规定。
，可以高达200Hz左右，需要精过滤才行，而伺服阀中位机能只有O型（Rexroth产品的E型）。
伺服阀其实缺点极多：能耗浪费大、容易出故障、抗污染能力差、价格昂贵等等等等，好处只有一个：动态性能是所有液压阀中最高的。就凭着这一个优点，在很多对动态特性要求高的场合不得不使用伺服阀，如飞机火箭的舵机控制、汽轮机调速等等。动态要求低一点的，基本上都是比例阀的天下了。
一般说来，好像伺服系统都是闭环控制，比例多用于开环控制；其次比例阀类型要多，有比例压力、流量控制阀等，控制比伺服要灵活一些。从他们内部结构看，伺服阀多是零遮盖，比例阀则有一定的死区，控制精度要低，响应要慢。但从发展趋势看，特别在比例方向流量控制阀和伺服阀方面，两者性能差别逐渐在缩小，另外比例阀的成本比伺服阀要低许多，抗污染能力也强！
通径：6 和 10
2X系列
最高工作压力350 bar
6通径最大流量40 L/min
10通径最大流量1000L/min
4WRPEH10
2X系列
最大工作压力315bar
最大流量100L/min(△p =70bar)
特点
－10通径直动式比例伺服方向控制阀，采用带有伺服阀性能的阀芯阀套结构
－具有安全位置的4位4通结构，电磁铁单边驱动，断电时处于安全位置
－带有电气位移反馈的高频响比例电磁铁
－集成数字式控制器，CPU采用32位高速处理器，最优化的PID位置控制算法
－差分指令信号输入，A1型为0…±10V，F1型为4…20mA
－适用于控制精度要求高的电液伺服控制系统
－底板安裝，安裝面按DIN24 340 A型，ISO 4401和CETOP-RP 121 H
－电气连接为6P+PE
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R900912708 LFA32GWA-7X/
R900912728 LFA32H2-7X/F
R900912712 LFA32WEA-7X/
R901147100 PGH4-3X/020RE11VU2
R901147110 PGH4-3X/020RR11VU2
R901147101 PGH4-3X/025RE11VU2
R901147111 PGH4-3X/025RR11VU2
R901147102 PGH4-3X/032RE11VU2
R901147112 PGH4-3X/032RR11VU2
R901147103 PGH4-3X/040RE11VU2
R901147113 PGH4-3X/040RR11VU2
R901147104 PGH4-3X/050RE11VU2
R901147114 PGH4-3X/050RR11VU2
R901147115 PGH5-3X/063RE11VU2
R901147129 PGH5-3X/063RR11VU2
R901147116 PGH5-3X/080RE11VU2
R901147130 PGH5-3X/080RR11VU2
R901147117 PGH5-3X/100RE11VU2
R901147131 PGH5-3X/100RR11VU2
R901147118 PGH5-3X/125RE11VU2
R901147132 PGH5-3X/125RR11VU2
R901147119 PGH5-3X/160RE11VU2
R901147133 PGH5-3X/160RR11VU2
R901147120 PGH5-3X/200RE07VU2
R901147134 PGH5-3X/200RR07VU2
R901147121 PGH5-3X/250RE07VU2
R901147135 PGH5-3X/250RR07VU2
R900580382 PV7-1X/16-20RE01MCO-160811404170 4WRPH 6 C3 B40L-2X/G24K0/M-750
0811404169 4WRPH 6 C3 B24L-2X/G24K0/M-750
0811404167 4WRPH 6 C4 B24L-2X/G24K0/M-750
0811404166 4WRPH 6 XB12L-2X/G24Z4/M-842
0811404164 4WRPH 6 C3 B24L-2X/G24Z4/M-561
0811404163 4WRPH 6 XB24L-2X/G24Z4/M-842
0811404162 4WRPH 6 C1 B40P-2X/G24Z4/M
0811404161 4WRPH 6 C3 B12L-2X/G24Z4/M-561
0811404160 4WRPH 6 C4 B04L-2X/G24Z4/M
0811404132 4WRPH 6 C3 B04L-1X/G24Z4/V
0811404130 4WRPH 6 C B40L-2X/G24Z4/M-859
0811404129 4WRPH 6 C B40L-2X/G24Z4/M-855
0811404128 4WRPH 6 C B24L-2X/G24Z4/M-855
0811404122 4WRPH 6 C3 B04L-1X/G24Z4/M
0811404118 4WRPH 6 C4 B24L-1X/G24Z4/M
0811404113 4WRPH 6 C3 B40L-1X/G24Z4/M
0811404112 4WRPH 6 C4 B12L-1X/G24Z4/M
0811404111 4WRPH 6 C3 B12L-1X/G24Z4/M
0811404106 4WRPH 6 C3 B24L-1X/G24Z4/M
0811404089 4WRPH 10 C1 B100P-2X/G24K0/M-750
0811404088 4WRPH 10 C4 B100P-2X/G24K0/M-750
0811404079 4WRPH 10 C5 B100P-2X/G24Z4/M
0811404078 4WRPH 10 C1 B100P-2X/G24Z4/M
0811404076 4WRPH10C1B100L-2X/G24Z4/M
0811404069 4WRPH 10 C4 B100L-2X/G24K0/M-750
0811404068 4WRPH 10 C3 B120L-2X/G24Z4/M
0811404067 4WRPH 10 C1 B50P-2X/G24Z4/M
0811404065 4WRPH 10 C4 B100P-2X/G24Z4/M
0811404064 4WRPH 10 C4 B50P-2X/G24Z4/M
0811404063 4WRPH 10 C3 B100P-2X/G24Z4/M
0811404062 4WRPH 10 C3 B50P-2X/G24Z4/M
0811404061 4WRPH 10 C4 B100L-2X/G24Z4/M
0811404060 4WRPH 10 C4 B50L-2X/G24Z4/M
0811404059 4WRPH 10 C3 B100L-2X/G24Z4/M
0811404058 4WRPH 10 C3 B50L-2X/G24Z4/M
0811404048 4WRPH 6 C4 B15P-2X/G24Z4/M
0811404047 4WRPH 6 C3 B15P-2X/G24Z4/M
0811404046 4WRPH 6 C4 B40P-2X/G24Z4/M
0811404045 4WRPH 6 C4 B25P-2X/G24Z4/M
0811404611 4WRPEH6C4B12L-2X/G24K0/A1M
0811404044 4WRPH 6 C3 B40P-2X/G24Z4/M
0811404043 4WRPH 6 C3 B25P-2X/G24Z4/M
0811404042 4WRPH6C3B04P-2X/G24Z4/M
0811404041 4WRPH 6 C3 B02L-2X/G24Z4/M
0811404040 4WRPH 6 KB50P-2X/G24Z4/M
0811404039 4WRPH 6 C4 B40L-2X/G24Z4/M
0811404038 4WRPH 6 C4 B24L-2X/G24Z4/M
0811404037 4WRPH 6 C4 B12L-2X/G24Z4/M
0811404036 4WRPH 6 C3 B40L-2X/G24Z4/M
0811404035 4WRPH 6 C3 B24L-2X/G24Z4/M
0811404034 4WRPH 6 C3 B12L-2X/G24Z4/M
0811404033 4WRPH 6 C3 B04L-2X/G24Z4/M
0811404032 4WRPH 6 KB50L-2X/G24Z4/M
0811404122 4WRPH 6 C3 B04L-1X/G24Z4/M
0811404079 4WRPH 10 C5 B100P-2X/G24Z4/M
0811404063 4WRPH 10 C3 B100P-2X/G24Z4/M
0811404061 4WRPH 10 C4 B100L-2X/G24Z4/M
0811404060 4WRPH 10 C4 B50L-2X/G24Z4/M
0811404059 4WRPH 10 C3 B100L-2X/G24Z4/M
0811404046 4WRPH 6 C4 B40P-2X/G24Z4/M
0811404043 4WRPH 6 C3 B25P-2X/G24Z4/M
0811404038 4WRPH 6 C4 B24L-2X/G24Z4/M
0811404037 4WRPH 6 C4 B12L-2X/G24Z4/M
0811404035 4WRPH 6 C3 B24L-2X/G24Z4/M
0811404034 4WRPH 6 C3 B12L-2X/G24Z4/M
0811404615 特价4WRPEH6C3B12L-2X/G24K0/A1M-8180811404643 4WRPEH6C3B25P-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等系列特价现货优势供应
0811404622 4WRPEH6C3B24L-2X/G24K0/B5M
0811404633 4WRPEH6C3B24L-2X/G24K0/F1M
0811404643 4WRPEH6C3B25P-2X/G24K0/A1M
0811404635 4WRPEH6C3B25P-2X/G24K0/B5M
0811404603 4WRPEH6C3B40L-2X/G24K0/A1M
0811404613 4WRPEH6C4B40L-2X/G24K0/A1M
0811404603 4WRPEH6C3B40L-2X/G24K0/A1M
0811404735 4WRPEH6C3B40L-2X/G24K0/B5M
0811404634 4WRPEH6C3B40L-2X/G24K0/F1M
0811404644 4WRPEH6C3B40P-2X/G24K0/A1M
0811404637 4WRPEH6C3B40P-2X/G24K0/B5M
0811404641 4WRPEH6C4B02L-2X/G24K0/A1M
0811404610 4WRPEH6C4B04L-2X/G24K0/A1M
0811404350 4WRPEH6C4B04L-2X/G24K0/F1M
0811404611 4WRPEH6C4B12L-2X/G24K0/A1M
0811404623 4WRPEH6C4B12L-2X/G24K0/B5M
0811404351 4WRPEH6C4B12L-2X/G24K0/F1M
0811404645 4WRPEH6C4B15P-2X/G24K0/A1M
0811404612 4WRPEH6C4B24L-2X/G24K0/A1M
0811404352 4WRPEH6C4B24L-2X/G24K0/F1M
0811404646 4WRPEH6C4B25P-2X/G24K0/A1M
0811404613 4WRPEH6C4B40L-2X/G24K0/A1M
0811404638 4WRPEH6C4B40L-2X/G24K0/A1V
0811404353 4WRPEH6C4B40L-2X/G24K0/F1M
R901136861 4WRPEH6C4B40L-2X/G24K0/F1V
0811404647 4WRPEH6C4B40P-2X/G24K0/A1M
0811404356 4WRPEH6C4B40P-2X/G24K0/B5M
0811404746 4WRPEH6C5B40L-2X/G24K0/A1M
0811404648 4WRPEH6C5B40P-2X/G24K0/A1M
0811404604 4WRPEH6KB50P-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350 bar，大流量3000 L/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。
0811404120 4WRP6W14S-1X/G24Z4/M
0811404121 4WRP6W28S-1X/G24Z4/M
0811404122 4WRPH6C3B04L-1X/G24Z4/M
0811404123 4WRBA6E07-2X/G24N9Z4/M
0811404034 4WRPH6C3B12L-2X/G24Z4/M
0811404124 4WRBA6W15-2X/G24N9Z4/M-897
0811404125 4WRBA6W07-2X/G24N9Z4/M
0811404126 4WRP6W06S-1X/G24Z4/M
0811404128 4WRPH6CB24L-2X/G24Z4/M-855
0811404129 4WRPH6CB40L-2X/G24Z4/M-855
0811404130 4WRPH6CB40L-2X/G24Z4/M-859
0811404132 4WRPH6C3B04L-1X/G24Z4/V
0811404140 4WRPE6E18SJ-2X/G24K0/A1M
0811404141 4WRPE6E32SJ-2X/G24K0/A1M
0811404142 4WRPE6W18SJ-2X/G24K0/A1M
0811404143 4WRPE6W32SJ-2X/G24K0/A1M
0811404144 4WRPE6W32SJ-2X/G24K0/B5M
0811404145 4WRPE6W08SJ-2X/G24K0/A1M
0811404146 4WRPE6W18SJ-2X/G24K0/F1M
0811404147 4WRPE6W32SJ-2X/G24K0/F1M
0811404148 4WRPE6E08SJ-2X/G24K0/A1M
0811404149 4WRPE6W2C32SJ-2X/G24K0/A1M-836
0811404150 4WRBAE6E32J-2X/G24N9K31/A1M
0811404151 4WRBAE6E18J-2X/G24N9K31/A1M
0811404153 4WRBAE6W18J-2X/G24N9K31/A1M
0811404154 4WRBAE6E18J-2X/G24N9K31/F1M
0811404155 4WRBAE6W2-32J-2X/G24N9K31/A1M
0811404160 4WRPH6C4B04L-2X/G24Z4/M
0811404161 4WRPH6C3B12L-2X/G24Z4/M-561
0811404162 4WRPH6C1B40P-2X/G24Z4/M
0811404163 4WRPH6XB24L-2X/G24Z4/M-842
0811404164 4WRPH6C3B24L-2X/G24Z4/M-561
0811404166 4WRPH6XB12L-2X/G24Z4/M-842
0811404167 4WRPH6C4B24L-2X/G24K0/M-750
0811404169 4WRPH6C3B24L-2X/G24K0/M-750
0811404170 4WRPH6C3B40L-2X/G24K0/M-750
0811404171 4WRPH6C4B40L-2X/G24K0/M-750
0811404172 4WRPH6CB25P-2X/G24Z4/M
0811404174 4WRPH6C3B40L-2X/G24Z4/M-561
0811404175 4WRPH6XB40L-2X/G24Z4/M-842
0811404177 4WRPH6XB12L-2X/G24K0/M-843
0811404179 4WRPH6C3B12L-2X/G24K0/M-784
0811404180 4WRL10E80S-3X/G24Z4/M
0811404181 4WRL10E1-80S-3X/G24Z4/M
0811404182 4WRL10E1-80S-3X/G24ETZ4/M
0811404183 4WRL10W80S-3X/G24Z4/M
0811404184 4WRL10W1-80S-3X/G24Z4/M
0811404185 4WRL10W1-80S-3X/G24ETZ4/M
0811404186 4WRL10E4-80S-3X/G24Z4/M
0811404187 4WRL10W4-80S-3X/G24Z4/M
0811404188 4WRL10W80S-3X/G24ETZ4/M
0811404189 4WRL10E80S-3X/G24TZ4/M
0811404190 4WRL10E1-80S-3X/G24TZ4/M
0811404191 4WRL10E80S-3X/G24K0/M-750
0811404192 4WRL10E80S-3X/G24ETK0/M-750
0811404193 4WRL10W1-80S-3X/G24TZ4/M
0811404206 4WRL16V120M-3X/G24Z4/M
0811404207 4WRL16V200M-3X/G24Z4/M
0811404209 4WRL16WZ180S-3X/G24Z4/M
0811404210 4WRL16EZ180S-3X/G24Z4/M
0811404211 4WRL16W4Z180S-3X/G24Z4/M
0811404212 4WRL16E1Z180S-3X/G24Z4/M
0811404213 4WRL16W1Z180S-3X/G24Z4/M
0811404214 4WRL16E4-180S-3X/G24Z4/M
0811404215 4WRL16E110S-3X/G24Z4/M
0811404216 4WRL16E1-110S-3X/G24Z4/M
0811404218 4WRL16W180S-3X/G24ETZ4/WX02M-748
0811404219 4WRL16W3-180S-3X/G24Z4/WX02M-924
0811404220 4WRL16Q5-200M-3X/G24TZ4/M-774
0811404221 4WRL16V200M-3X/G24TZ4/M-765
0811404223 4WRL16WZ180S-3X/G24EZ4/WX02M-753
0811404228 4WRL16E1-180S-3X/G24Z4/M-755
0811404229 4WRL16V120M-3X/G24K0/M-750
0811404232 4WRL16EZ180S-3X/G24Z4/M-750
0811404233 4WRL16EZ180S-3X/G24ETZ4/M-750
0811404234 4WRL16EZ180S-3X/G24Z4/M-763
0811404236 4WRL16V1-120M-3X/G24K0/M-750
0811404237 4WRL16V1-200M-3X/G24K0/M-750
0811404239 4WRL16V1-120M-3X/G24Z4/M
0811404241 4WRL16V100P-3X/G24Z4/M
0811404247 4WRL16WZ180S-3X/G24ETZ4/M
0811404250 4WRLE16V120M-3X/G24K0/A1M
0811404251 4WRLE16V200M-3X/G24K0/A1M
0811404252 4WRLE16Q5-200M-3X/G24K0/A1M
0811404254 4WRLE16Q5-200M-3X/G24TK0/B5M-774
0811404256 4WRLE16X200M-3X/G24K0/A1M-811
0811404257 4WRLE16Q5-85M-3X/G24K0/A1M-775
0811404258 4WRLE16X200M-3X/G24ETK0/A1M-812
0811404259 4WRLE16X200M-3X/G24EK0/A1M-812
0811404260 4WRLE16X00M-3X/G24K0/A1M-778
博世力士乐rexroth电磁溢流阀 10通径、博世力士乐rexroth直动式比例溢流阀、博世力士乐先导式溢流阀 ZDBK和Z2DBK型溢流阀、博世力士乐先导式溢流阀、博世力士乐溢流阀、叠加式溢流阀、德国力士乐DBD系列溢流阀、德国力士乐REXROTH(液压阀)电磁溢流阀、德国力士乐溢流阀DBW20系列、德国力士乐溢流阀DBW30系列、德国博世bosch rexroth力士乐溢流阀、插装阀单向阀溢流阀、比例溢流阀，先导式、比例溢流阀，直动式、比例溢流阀、溢流阀，先导式、溢流阀，直动式、溢流阀、溢流阀-开关阀、REXROTH力士乐DAW系列卸荷阀、REXROTH力士乐DBD系列溢流阀
力士乐Rexroth电磁阀：0 811 402 616力士乐电磁阀、4WE6电磁阀、4WE6C6X EG24N9K4电磁换向阀、4WE6D6X EG24N9K4 电磁换向阀、4WE6E6X EG24N9K4电磁换向阀阀.、4WE6H6X EG24N9K4 电磁换向阀、4WE6J6X EG24N9K4电磁换向阀、4WE6Y6X EG24N9K4电磁换向阀、4WE6电磁换向阀、4WE6电磁换向阀REXROTH、4WE10电磁换向阀、4WE 6 D 6XEG24N9K4力士乐电磁阀、BOSCH博世电磁阀、BOSCH博世电磁阀气缸、BOSCH电磁阀、NG6电磁换向阀、NG6电磁换向阀、REXROTH力士乐4WEH系列电液换向阀、rexroth力士乐博世bosch电磁阀、REXROTH力士乐手动换向阀、Rexroth力士乐换向阀、REXROTH力士乐液压元件4WE6D62EG24N9K4、REXROTH力士乐电液换向阀、REXROTH力士乐电磁换向阀、REXROTH力士乐电磁阀、REXROTH博世力士乐电磁阀溢流阀叶片泵大量现货、rexroth换向阀、REXROTH电磁换向阀3WE6A6XEG24N9K4、rexroth电磁换向阀4WE6D7XHG24N9K4、REXROTH电磁阀4WE10系列、REXROTH电磁阀4WRBA 10 EA75-2OG24K4M-、rexroth电磁阀，rexroth换SMC电磁阀和欧姆龙光仟、供应力士乐REXROTH伺服电磁阀带电子位置反馈器、低价格供应德国力士乐电磁阀最便宜、力士乐4WE系列电磁换向阀、力士乐6通径交流230V电压电磁阀、力士乐6通经10通经电磁阀、力士乐6通经交流电磁阀、力士乐10通径交流230V电压电磁阀、力士乐10通经交流电磁阀、力士乐rexroth二位二通直动式比例换向阀、力士乐REXROTH二位四通伺服电磁阀、力士乐REXROTH伺服电磁阀、力士乐rexroth比例换向阀、力士乐rexroth气动电磁阀、力士乐rexroth液控换向阀、
R900580383 PV7-1X/25-30RE01MCO-16
R900580384 PV7-1X/40-45RE37MCO-16
R900506808 PV7-1X/63-71RE07MCO-16
R900506809 PV7-1X/100-118RE07MCO-16
