力士乐比例换向阀4WRAE 10 W30-22/G24K31/A1V现货 武汉盛美特机电设备有限公司主营:REXROTH德国力士乐、VICKERS美国威格士、ATOS意大利阿托斯SUN美国太阳、DENISON法国丹尼逊、PARKER美国派克、DUPLOMATIC意大利迪普马、HAWE德国哈威、HYDAC贺德克,CALZONI意大利卡桑尼、MOOG美国穆格,HYDRAFORCE海德福斯,雅歌辉托斯等,价格优势,欢迎询价。
安装面按DIN24340A型和ISO4401
控制流量的方向和大小
用于位置,速度和压力的闭环控制
通过控制电磁铁触发
通过感应位置检测器对控制滑阀进行位置传感
集成电控器(OBE),用于4WRPEH
特性曲线带或不带变化比例阀
阀对流量的控制可以分为两种:
一种是开关控制:要么全开、要么全关,流量要么最大、要么最小,没有中间状态,如普通的电磁直通阀、电磁换向阀、电液换向阀。
另一种是连续控制:阀口可以根据需要打开任意一个开度,由此控制通过流量的大小,这类阀有手动控制的,如节流阀,也有电控的,如比例阀、伺服阀。
所以使用比例阀或伺服阀的目的就是:以电控方式实现对流量的节流控制(当然经过结构上的改动也可实现压力控制等),既然是节流控制,就必然有能量损失,伺服阀和其它阀不同的是,它的能量损失更大一些,因为它需要一定的流量来维持前置级控制油路的工作伺服阀的主阀一般来说和换向阀一样是滑阀结构,只不过阀芯的换向不是靠电磁铁来推动,而是靠前置级阀输出的液压力来推动,这一点和电液换向阀比较相似,只不过电液换向阀的前置级阀是电磁换向阀,而伺服阀的前置级阀是动态特性比较好的喷嘴挡板阀或射流管阀。
也就是说,伺服阀的主阀是靠前置级阀的输出压力来控制的,而前置级阀的压力则来自于伺服阀的入口p,假如p口的压力不足,前置级阀就不能输出足够的压力来推动主阀芯动作。
而我们知道,当负载为零的时候,如果四通滑阀完全打开,p口压力=t口压力+阀口压力损失(忽略油路上的其它压力损失),如果阀口压力损失很小,t口压力又为零,那么p口的压力就不足以供给前置级阀来推动主阀芯,整个伺服阀就失效了。所以伺服阀的阀口做得偏小,即使在阀口全开的情况下,也要有一定的压力损失,来维持前置级阀的正常工作。
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gao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,比例阀多用于开环控制;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!伺服阀与比例阀的区别
伺服阀与比例阀之间的差别并没有严格的规定,因为比例阀的性能越来越好,逐渐向伺服阀靠近,所以近些年出现了比例伺服阀。
比例阀和伺服阀的区别主要体现在以下几点:
1.驱动装置不同。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;
2.性能参数不同。滞环、中位死区、频宽、过滤精度等特性不同,因此应用场合不同,伺服阀和伺服比例阀主要应用在闭环控制系统,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;
2.1 伺服阀中位没有死区,比例阀有中位死区;
2.2 伺服阀的频响(响应频率)更高,可以高达200Hz左右,比例阀一般最gao几十Hz;
2.3 伺服阀对液压油液的要求更高,需要经过滤才行,否则容易堵塞,比例阀要求低一些;
3.阀芯结构及加工精度不同。比例阀采用阀芯+阀体结构,阀体兼作阀套。伺服阀和伺服比例阀采用阀芯+阀套的结构。
4.中位机能种类不同。比例换向阀具有与普通换向阀相似的中位机能,而伺服阀中位机能只有O型(Rexroth产品的E型)。
5.阀的额定压降不同。
而比例伺服阀性能介于伺服阀和比例阀之间。
比例换向阀属于比例阀的一种,用来控制流量和流向。
力士乐比例换向阀4WRAE 10 W30-22/G24K31/A1V现货
0811403001 4WRP10EA63S-1X/G24Z4/M
0811403017 4WRBA10EA75-2X/G24K4/M-828
0811404034 4WRPH6C3B12L-2X/G24Z4/M
0811404035 4WRPH6C3B24L-2X/G24Z4/M
0811404037 4WRPH6C4B12L-2X/G24Z4/M
0811404038 4WRPH6C4B24L-2X/G24Z4/M
0811404043 4WRPH6C3B25P-2X/G24Z4/M
0811404046 4WRPH6C4B40P-2X/G24Z4/M
0811404059 4WRPH10C3B100L-2X/G24Z4/M
0811404060 4WRPH10C4B50L-2X/G24Z4/M
0811404061 4WRPH10C4B100L-2X/G24Z4/M
0811404063 4WRPH10C3B100P-2X/G24Z4/M
0811404079 4WRPH10C5B100P-2X/G24Z4/M
0811404080 4WRP10W63S-1X/G24Z4/M
0811404104 4WRP6C3B02L-1X/G24Z4/M
0811404114 4WRBA6E30-2X/G24N9Z4/M
0811404115 4WRBA6E15-2X/G24N9Z4/M
0811404122 4WRPH6C3B04L-1X/G24Z4/M
0811404123 4WRBA6E07-2X/G24N9Z4/M
0811404140 4WRPE6E18SJ-2X/G24K0/A1M
0811404141 4WRPE6E32SJ-2X/G24K0/A1M
0811404147 4WRPE6W32SJ-2X/G24K0/F1M
0811404150 4WRBAE6E32J-2X/G24N9K31/A1M
0811404152 4WRBAE6W32J-2X/G24N9K31/A1M
0811404183 4WRL10W80S-3X/G24Z4/M
0811404188 4WRL10W80S-3X/G24ETZ4/M
0811404207 4WRL16V200M-3X/G24Z4/M
0811404209 4WRL16WZ180S-3X/G24Z4/M
0811404213 4WRL16W1Z180S-3X/G24Z4/M
0811404256 4WRLE16X200M-3X/G24K0/A1M-811
0811404273 4WRLE16W1-200M-3X/G24EK0/A1WX02M-779
0811404306 4WRLE16E1Z180SJ-3X/G24K0/A1M
0811404307 4WRLE16WZ180SJ-3X/G24K0/A1M
0811404330 4WRLE16W3-180SJ-3X/G24EK0/A1WX02M-744
0811404351 4WRPEH6C4B12L-2X/G24K0/F1M
0811404353 4WRPEH6C4B40L-2X/G24K0/F1M
0811404354 4WRPEH6C1B40L-2X/G24K0/F1M
0811404405 4WRL25V370M-3X/G24Z4/M
0811404407 4WRL25EZ350S-3X/G24Z4/M
0811404409 4WRL25W1Z350S-3X/G24Z4/M
0811404430 4WRLE25V370M-3X/G24K0/A1M
力士乐比例换向阀4WRAE 10 W30-22/G24K31/A1V现货
0811404439 4WRLE25W1-370M-3X/G24EK0/A1M-769
0811404440 4WRLE27W1-430M-3X/G24EK0/A1M-769
0811404457 4WRLE25W1Z350SJ-3X/G24K0/A1M
0811404473 4WRLE25W350SJ-3X/G24EK0/A1WX02M-756
0811404504 4WRLE35W1100SJ-3X/G24K0/A1M
0811404537 4WRPEH6C4B02L-2X/G24K0/F1M
0811404551 4WRPE10Q5-50M-2X/G24K0/A1M-836
0811404572 4WRLE27Q3-550P-3X/G24K0/A1M
0811404588 4WRLE35R5-1100SJ-3X/G24EK0/A1M-868
0811404601 4WRPEH6C3B12L-2X/G24K0/A1M
0811404602 4WRPEH6C3B24L-2X/G24K0/A1M
0811404603 4WRPEH6C3B40L-2X/G24K0/A1M
0811404611 4WRPEH6C4B12L-2X/G24K0/A1M
0811404612 4WRPEH6C4B24L-2X/G24K0/A1M
0811404613 4WRPEH6C4B40L-2X/G24K0/A1M
0811404643 4WRPEH6C3B25P-2X/G24K0/A1M
0811404644 4WRPEH6C3B40P-2X/G24K0/A1M
0811404656 4WRLE10X85M-3X/G24ETK0/A1M-812
0811404680 4WRLE10Q3-85M-3X/G24ETK0/A1M
0811404701 4WRLE10E1-80SJ-3X/G24K0/A1M
0811404703 4WRLE10W1-80SJ-3X/G24K0/A1M
0811404711 4WRLE10W4-80SJ-3X/G24K0/A1M
0811404720 4WRREH6VB40L-1X/G24K0/B5M
0811404746 4WRPEH6C5B40L-2X/G24K0/A1M
0811404749 4WRPEH6C5B40L-2X/G24K0/F1M
0811404750 4WRPE10EA80SJ-2X/G24K0/A1M
0811404766 4WRPE10CB80L-2X/G24K0/F1M-810
0811404772 4WRPE10W50SJ-2X/G24K0/A1M
0811404778 4WRPE10W50SJ-2X/G24K0/F1M
0811404801 4WRPEH10C3B100L-2X/G24K0/A1M
0811404802 4WRPEH10C4B50L-2X/G24K0/A1M
0811404803 4WRPEH10C4B100L-2X/G24K0/A1M
0811404819 4WRPEH10C3B50L-2X/G24K0/F1M
0811404832 4WRBA10E64-2X/G24N9Z4/M
0811404930 4WRBKE16W180SJ-1X/6ZG24K31/A1D3M
0811404931 4WRBKE16W1-180SJ-1X/6ZG24K31/A1D3M
0811404954 4WRBKE27E430SJ-1X/6ZG24EK31/A1D3M
0811404958 4WRBKE27W430SJ-1X/6ZG24K31/A1D3M
0811404977 4WRBKE35E1100SJ-1X/6ZG24EK31/A1D3M
R900244172 4WRZ16W6-100-7X/6EG24N9K4/D3M
R900244192 4WRZ32E1-520-7X/6EG24N9K4/M
R900244327 4WRZ16W8-150-7X/6EG24N9EK4/D3M
R900244328 4WRZ10W8-25-7X/6EG24N9EK4/D3M
R900244673 4WRZ25E1-220-7X/6EG24N9K4/M
R900244765 4WRZ25W6-325-7X/6EG24N9ETK4/D3M
R900244847 4WRKE25W8-350L-3X/6EG24ETK31/A5D3M
R900246100 4WRZ10W8-85-7X/6EG24ETK4/D3M
力士乐比例换向阀4WRAE 10 W30-22/G24K31/A1V现货
R900246793 4WREE6W32-2X/G24K31/F1V
R900246879 4WRZ32W6-520-7X/6EG24N9EK4/D3M
R900246980 4WRZ10W8-85-7X/6EG24N9K4/D3M
R900248227 4WRZ16E150-7X/6EG24N9ETK4/M
R900248373 4WRKE16E125L-3X/6EG24EK31/A1D3M
R900249373 4WRZE16W8-150-7X/6EG24N9K31/F1M
R900249814 4WRZ16W6-150-7X/6EG24N9TK4/M
R900555558 4WRZ16E150-6X/6AG24NETK4/M
R900558355 4WRAE6E30-2X/G24N9K31/A1V
R900575765 4WRA10W1-60-2X/G24N9K4/V
R900608420 4WRE10W3-75-2X/G24K4/V
R900616436 4WRZE25W5-325-7X/6EG24N9ETK31/F1D3V
R900616671 4WRZ10W8-50-7X/6EG24N9K4/M
R900617169 4WRZE16W6-150-7X/6EG24K31/A1D3M
R900617269 4WREE10V75-2X/G24K31/F1V
R900617482 4WREE6E1-16-2X/G24K31/F1V
R900617676 4WRZE10E85-7X/6EG24N9ETK31/A1D3M
R900618031 4WRZE16W8-150-7X/6EG24N9K31/A1D3M
R900700274 4WRTE25W6-220L-4X/6EG24K31/A1M
R900701446 4WRKE32W6-600L-3X/6EG24TK31/A1D3M
R900702685 4WRDE16W1-200L-5X/6L24EK9/M
R900702857 4WRTE10V1-100L-4X/6EG24ETK31/A5M
R900703030 4WRZ16E1-100-7X/6EG24N9ETK4/D3M
R900703031 4WRZ16W8-100-7X/6EG24N9EK4/D3M
R900703652 4WRZ32W8-360-7X/6EG24N9EK4/D3M
R900704206 4WRZ10W6-85-7X/6EG24N9ETK4/D3M
R900704234 4WRKE10E100L-3X/6EG24EK31/A1D3M
R900704477 4WRZ25W8-325-7X/6EG24N9ETK4/D3M
R900704606 4WRZ25W8-325-7X/6EG24N9K4/D3M
R900704608 4WRZ32W8-520-7X/6EG24N9K4/D3M
R900704916 4WRKE16E200L-3X/6EG24ETK31/A1D3M
R900705057 4WRKE25W8-350L-3X/6EG24EK31/F1D3M
R900705066 4WRZE16W8-150-7X/6EG24EK31/F1D3M
R900705138 4WRZE10W6-85-7X/6EG24N9ETK31/F1D3M
R900705152 4WRZ32W6-360-7X/6EG24N9ETK4/D3M
R900705354 4WRTE10W8-100L-4X/6EG24K31/F1M
R900705368 4WRTE10Q2-100P-4X/6EG24K31/A5M
R900705766 4WRDE16W1-125L-5X/6L24K9/V
力士乐比例换向阀4WRAE 10 W30-22/G24K31/A1V现货
R900706739 4WRKE10E50L-3X/6EG24EK31/A1D3M
R900706975 4WRKE25R5-350L-3X/6EG24EK31/A1D3M-622
R900707215 4WRAE10W1-30-2X/G24K31/F1V
R900707648 4WRZE25W8-220-7X/6EG24N9K31/A1M
R900708220 4WRZ32W6-520-7X/6EG24N9ETK4/D3M
R900708956 4WRKE16E1-200P-3X/6EG24K31/A5D3M
R900709133 4WRZ10W6-85-7X/6EG24N9EK4/M
R900709674 4WRKE16W1-200P-3X/6EG24EK31/A5D3M-706
R900710344 4WRTE16V1-200L-4X/6EG24K31/F1M
R900710530 4WRAE10W60-2X/G24K31/F1V
R900711716 4WRZ25E325-7X/6EG24ETK4/M
R900711868 4WRAE10W30-2X/G24K31/F1V
R900712035 4WRZ10W6-50-7X/6EG24N9ETK4/M
R900712186 4WRZ25E325-7X/6EG24N9K4/D3M
R900713034 4WRZ25W8-325-7X/6EG24N9K4/M
R900715043 4WRKE16W8-125L-3X/6EG24ETK31/F1D3M
R900718739 4WRDE10V1-100L-5X/6L24K9/M-280
R900718919 4WRKE25W6-350L-3X/6EG24EK31/A1D3M
R900719696 4WRZ32E520-7X/6EG24N9K4/M
R900719754 4WRKE10E50L-3X/6EG24ETK31/A1D3M
R900721116 4WRZE16W8-150-7X/6EG24N9ETK31/F1D3M
R900722239 4WRZ10W9-50-7X/6EG24N9ETK4/D3M
R900723645 4WRZ32W8-520-7X/6EG24N9K4/M
R900724397 4WRZ32E1-520-7X/6EG24N9K4/D3M
R900724781 4WRZE10W8-85-7X/6EG24N9ETK31/F1D3M
R900725575 4WRZ16E100-7X/6EG24N9EK4/D3M
R900726550 4WRZ25EA325-5X/6A24NETK4/M
R900727361 4WRKE16E200L-3X/6EG24EK31/A1D3M
R900727501 4WRKE16E125L-3X/6EG24K31/A1D3M
R900727515 4WRKE25E220S-3X/6EG24K31/A1D3M
R900727881 4WRZE25W8-220-7X/6EG24N9EK31/A1D3M
R900727999 4WRZE16W6-150-7X/6EG24N9ETK31/F1D3M
R900728039 4WRZE25W6-325-7X/6EG24N9ETK31/F1D3M
R900728586 4WRZ16W8-150-7X/6EG24N9K4/D3M
R900729870 4WRZ25W8-325-7X/6EG24N9TK4/D3M
R900730756 4WRZE25W8-325-7X/6EG24N9ETK31/A1D3M
R900731309 4WRZ16EA150-6X/6AG24N9ETK4/M
R900731496 4WRKE27W6-500L-3X/6EG24K31/A1D3M
R900731922 4WRKE25E350L-3X/6EG24EK31/A1D3M
R900732106 4WRZE16E150-7X/6EG24N9K31/A1M
R900732455 4WRZ10W8-85-7X/6EG24N9EK4/M
R900732469 4WRZ10W8-50-7X/6EG24N9K4/D3M
R900732536 4WRAE10W1-60-2X/G24K31/F1V
R900733567 4WRZ16W8-100-7X/6EG24N9K4/M
R900734062 4WRKE32E600L-3X/6EG24K31/A1D3M
R900740372 4WRZ16W8-100-7X/6EG24N9TK4/D3M
R900741456 4WRZ16W8-100-7X/6EG24N9K4/D3M
R900741610 4WRZ32W8-520-7X/6EG24N9ETK4/V
R900744288 4WRZ10W6-50-7X/6EG24N9TK4/M
R900746202 4WRZE25W6-325-7X/6EG24N9EK31/F1M
R900746204 4WRZE32W6-520-7X/6EG24N9EK31/F1M
R900746205 4WRZE25W6-220-7X/6EG24N9EK31/F1M
R900746375 4WRZE25W8-220-7X/6EG24N9ETK31/F1D3M
R900746609 4WRZE25W8-325-7X/6EG24N9EK31/F1M
R900746657 4WRH25W8-325-7X//M
R900746688 4WRZ32W8-360-7X/6EG24N9K4/M
R900746822 4WRZE10W8-25-7X/6EG24N9ETK31/F1D3M
R900747493 4WRZ32W8-520-7X/6EG24N9EK4/D3M
R900748034 4WRZE16W6-150-7X/6EG24ETK31/F1D3M
R900748063 4WRZ10W6-50-7X/6EG24N9K4/D3M
R900748327 4WRDE16V125L-5X/6L24K9/M-280
R900750126 4WRZE25W8-325-7X/6EG24N9EK31/A1D3M
R900750127 4WRZE16W8-150-7X/6EG24N9EK31/A1D3M
R900750197 4WRZE25W9-220-7X/6EG24N9EK31/A1D3M
R900750556 4WRZE10W8-85-7X/6EG24N9EK31/F1D3M
R900750795 4WRZ10W6-85-7X/6EG24N9K4/D3M
R900751048 4WRKE25W8-220L-3X/6EG24EK31/F1D3M
R900751112 4WRKE16W8-125L-3X/6EG24EK31/F1D3M
R900751114 4WRKE16W8-200L-3X/6EG24EK31/F1D3M
R900751423 4WRZ25E220-7X/6EG24N9ETK4/M
R900751838 4WRZE10W6-50-7X/6EG24N9EK31/F1D3M
R900751839 4WRZE10W8-50-7X/6EG24N9EK31/F1D3M
R900752990 4WRZE16W6-150-7X/6EG24N9EK31/F1M
R900753984 4WRZE16E1-150-7X/6EG24N9ETK31/F1M
R900753993 4WRZE25W8-325-7X/6EG24N9EK31/F1D3M
R900755708 4WRZE16W6-100-7X/6EG24N9ETK31/F1M
R900757604 4WRZE25W8-220-7X/6EG24N9EK31/F1D3M
R900757605 4WRZE16W8-150-7X/6EG24N9EK31/F1D3M
R900757651 4WRZE25W8-220-7X/6EG24N9K31/F1M
R900759703 4WRZE16W8-100-7X/6EG24N9EK31/A1D3M
R900762068 4WRZ10E85-7X/6EG24N9K4/D3M
R900762072 4WRAE6W30-2X/G24K31/F1V
R900763679 4WRZ32W8-520-7X/6EG24N9TK4/D3M
力士乐比例换向阀4WRAE 10 W30-22/G24K31/A1V现货
R900764345 4WRZE25W6-220-7X/6EG24N9K31/F1D3M
R900764372 4WRZE10W8-85-7X/6EG24N9ETK31/F1M
R900766029 4WRZ32E520-7X/6EG24N9ETK4/M
R900766040 4WRKE25E3-350L-3X/6EG24EK31/A1D3M
R900766959 4WRKE25W8-220L-3X/6EG24ETK31/F1D3M
R900770268 4WRZE25W8-220-7X/6EG24N9EK31/A1M
R900772289 4WRZ25W8-220-7X/6EG24N9TK4/D3M
R900773355 4WRKE35E1000L-3X/6EG24K31/A1D3M
R900773400 4WRZE16E150-7X/6EG24N9EK31/A1M
R900773932 4WRAE10E1-60-2X/G24N9K31/F1V
R900775783 4WRZ25W6-325-7X/6EG24N9TK4/D3M
R900775807 4WRZ16M150-6X/6AG24NETK4/D3M
R900776400 4WRZE10W8-50-7X/6EG24N9ETK31/A1D3M
R900778655 4WRZE16W8-150-7X/6EG24N9K31/A1M
R900779472 4WRZ32W8-360-7X/6EG24N9TK4/D3M
R900780615 4WRKE32W6-600L-3X/6EG24K31/A1D3M
R900784875 4WRKE25E3-350P-3X/6EG24K31/A5D3M
R900787914 4WRZE16W8-100-7X/6EG24N9K31/A1M
R900900987 4WRAE6W30-2X/G24N9K31/A1V
R900902537 4WRA6W1-30-2X/G24N9K4/V
R900904010 4WRAE10E30-2X/G24N9K31/F1V
R900907114 4WREE6E32-2X/G24K31/A1V
R900907440 4WREE6V16-2X/G24K31/A1V
R900908938 4WRAE6W15-2X/G24N9K31/A1V
R900909367 4WREE6V08-2X/G24K31/A1V
R900911004 4WREE6W32-2X/G24K31/A1V
R900911679 4WRA6E15-2X/G24N9K4/V-589
R900913443 4WRA6W15-2X/G24N9K4/V
R900913446 4WRAEB6EA30-2X/G24N9K31/A1V
R900919952 4WRZ10EA85-5X/6A24NETK4/M
R900920055 4WRAE10W60-2X/G24N9K31/F1V
R900921739 4WRA10E30-2X/G24N9K4/V
R900924283 4WREE6W08-2X/G24K31/F1V
R900924607 4WREE10V75-2X/G24K31/A1V
R900925687 4WRAE10W1-30-2X/G24N9K31/F1V
R900925699 4WRZE10W8-85-7X/6EG24N9ETK31/F1D3V
R900925733 4WREE6E32-2X/G24K31/F1V
R900925738 4WRZE16W8-150-7X/6EG24N9ETK31/F1D3V
R900926366 4WRE6E32-2X/G24K4/V
R900926997 4WREE6WA32-2X/G24K31/A1V