REXROTH减压阀DR10-5-5X/200YM

REXROTH减压阀DR10-5-5X/200YM 德国博世力士乐REXROTH减压阀 直动式减压阀 先导式减压阀 原装现货

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REXROTH减压阀DR10-5-5X/200YM

性能

(1)调压范围：它是指减压阀输出压力P2的可调范围，在此范围内要求达到规定的精度。调压范围主要与调压弹簧的刚度有关。

(2)压力特性：它是指流量g为定值时，因输入压力波动而引起输出压力波动的特性。输出压力波动越小，减压阀的特性越好。输出压力必须低于输入压力—定值才基本上不随输入压力变化而变化。

(3)流量特性：它是指输入压力—定时，输出压力随输出流量g的变化而变化的持性。当流量g发生变化时，输出压力的变化越小越好。一般输出压力越低，它随输出流量的变化波动就越小

减压阀

减压阀是利用液流流过缝隙产生压力损失，使其出口压力低于进口压力的压力控制阀。

按调节要求不同，有定值减压阀，定差减压阀，定比减压阀。

定值减压阀的结构原理

减压阀起减压作用且保证出口压力为定值的条件是:当出口压力大于减压阀的调定压力，使其先导阀开启。

直动式减压阀

减压阀的功用与特点：

减压阀用在液压系统中获得压力低于系统压力的二次油路上

与溢流阀比较:

减压阀是出口压力控制，保证出口压力为定值;溢流阀是进口压力控制，保证进口压力为定值。

减压阀阀口常开;

溢流阀阀口常闭。

减压阀有单独的泄油口;溢流阀弹簧腔的泄漏油经阀体

内流道內泄至出口。

减压阀与溢流阀-样有遥控口。

减压阀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%。

作用原理：减压阀的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。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；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。

REXROTH减压阀DR10-5-5X/200YM

DR型压力阀是先导式减压阀。它用于降低系统压力。

它主要由旋入式插装阀（滤芯）和外壳组成，可以选择是否带有止回阀（仅用于底板安装）。

在静止位置，阀门打开。液压油能够从输入通道通过主控制阀芯（1）自由流动到输出通道。出口通道中的压力通过孔（2）施加到主控制阀芯（1）的弹簧加载侧。同时，压力通过孔（3）和（4）作用在主控制阀芯（1）的与弹簧相对的一侧。

如果出口通道中的压力超过在弹簧（6）上设定的值，则先导提升阀（5）打开。

液压油从主控制阀芯（1）的弹簧加载侧通过喷嘴（7）和先导提升阀（5）流入弹簧腔（8）。

主控制阀芯（1）处于其控制位置，并将弹簧（6）上设定的出口通道中的值保持恒定。从弹簧腔（8）返回的先导油总是通过Y口（9）从外部实现。

在底板安装版本“ P”中，可以选择安装一个止回阀（10），以实现从通道A到B的自由回流。

类型DR 10 -4-4X /…

REXROTH减压阀DR10-5-5X/200YM型号

力士乐REXROTH先导式减压阀DR(C)

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R900507308 DR20-5-5X/50YMV

R900944274 DR20-5-5X/50YMV/12

R900516648 DR20-5-5X/50YV

R901388480 DR20-5-5X=315Y

R900596832 DR20-6-5X/100Y

R900502705 DR20-6-5X/100Y/12

R900597714 DR20-6-5X/100YM

R900502706 DR20-6-5X/100YM/12

R900507942 DR20-6-5X/100YMV

R900501116 DR20-6-5X/100YV

R900972290 DR20-6-5X/100YV/12

R900507198 DR20-6-5X/200Y

R900599017 DR20-6-5X/200YM

R900549405 DR20-6-5X/200YM/12

R900507946 DR20-6-5X/200YMV

R901157353 DR20-6-5X/200YV

R900597286 DR20-6-5X/315Y

R900574010 DR20-6-5X/315Y/12

R900582101 DR20-6-5X/315YM

R901002166 DR20-6-5X/315YMV

R901257333 DR20-6-5X/315YV

R901010428 DR20-6-5X/350YMV

R900504321 DR20-6-5X/50Y

R900596286 DR20-6-5X/50YM

R900514293 DR20-6-5X/50YMV

R900244669 DR20-6-5X/50YV

R900539990 DR20-7-5X/100Y

R901080238 DR20-7-5X/160XY

R900572062 DR20-7-5X/200Y

R900553413 DR20-7-5X/200YM

R901206195 DR20-7-5X/200YV

R900570281 DR20-7-5X/315Y

R900565797 DR20-7-5X/315YM

R901177516 DR20-7-5X/350YMV

R900509277 DR20-7-5X/50YM

R901219145 DR20-7-5X/50YV

R900503274 DR25G4-5X/100YM

R900578319 DR25G4-5X/100YM/12

R900957888 DR25G4-5X/200YM

R900951448 DR25G4-5X/200YM/12

R900565137 DR25G4-5X/315YM

R901134122 DR25G4-5X/315YM/12

R900558308 DR25G4-5X/315YMV

R901094066 DR25G4-5X/350YM

R900566808 DR25G4-5X/350YM/12

R900507156 DR25G4-5X/50YM

R900501256 DR25G5-5X/100YM

R900529739 DR25G5-5X/100YM/12

R900528648 DR25G5-5X/100YMV

R901089074 DR25G5-5X/200-140YM

R901379496 DR25G5-5X/200-140YMV

R901086869 DR25G5-5X/200-160YM

R900512840 DR25G5-5X/200YM

R900565910 DR25G5-5X/200YM/12

R900929693 DR25G5-5X/200YMJ

R900975597 DR25G5-5X/200YMV

R900599845 DR25G5-5X/315YM

R900537441 DR25G5-5X/315YM/12

R900597298 DR25G5-5X/315YMJ

R901263411 DR25G5-5X/315YMV

R900521189 DR25G5-5X/50YM

R900578230 DR25G5-5X/50YM/12

R900500800 DR25G6-5X/100YM

R900915547 DR25G6-5X/200YM

R900522654 DR25G6-5X/315YM

R900921397 DR25G6-5X/315YMV

R900517282 DR25G6-5X/350YM

R900509881 DR25G7-5X/200YM

R900565949 DR25G7-5X/315YM

R900978037 DR25G7-5X/315YMV

R900503273 DR30G4-5X/100YM

R900944456 DR30G4-5X/100YM/12

R900527237 DR30G4-5X/200YM

R900507876 DR30G4-5X/315YM

R900509938 DR30G4-5X/315YM/12

R900970102 DR30G4-5X/315YMMK/12

R901020869 DR30G4-5X/315YMV

R900507457 DR30G4-5X/50YM

R900910867 DR30G4-5X/50YM/12

R900598270 DR30G5-5X/100YM

R900502407 DR30G5-5X/100YM/12

R900566809 DR30G5-5X/100YMV

R900708119 DR30G5-5X/100YMV/12

R900595130 DR30G5-5X/200YM

R900552906 DR30G5-5X/200YM/12

R900513180 DR30G5-5X/200YMV

R900563833 DR30G5-5X/200YMV/12

R901026879 DR30G5-5X/315-200YM

R900777095 DR30G5-5X/315-205YM

R900598827 DR30G5-5X/315YM

R900979325 DR30G5-5X/315YM/12

R900597299 DR30G5-5X/315YMJ

R900521566 DR30G5-5X/315YMMK/12

R900563901 DR30G5-5X/315YMV

R900535434 DR30G5-5X/315YMV/12

R901240099 DR30G5-5X/350YM

R900960317 DR30G5-5X/350YM/12

R900503382 DR30G5-5X/50YM

R900927917 DR30G5-5X/50YM/12

R900518575 DR30G5-5X/50YMV

R900950678 DR30G5-5X/50YMV/12

R900529674 DR30G6-5X/100YM

R900533036 DR30G6-5X/200YM

R900596495 DR30G6-5X/315YM

R900500776 DR30G6-5X/50YM

R900901094 DR30G7-5X/200YM

R900596963 DR30-.-5X/...Y

R900509178 DR30-.-5X/...YM

R900501430 DR30-0-5X/...YSO16

R900599113 DR30-4-5X/100Y

R900599112 DR30-4-5X/100YM

R900562612 DR30-4-5X/100YMV/12

R900505886 DR30-4-5X/100YV

R900931769 DR30-4-5X/200-120Y

R901260435 DR30-4-5X/200-160YM

R900508498 DR30-4-5X/200Y

R901003349 DR30-4-5X/200Y/12

R900513985 DR30-4-5X/200YM

R900533803 DR30-4-5X/200YM/12

R900928452 DR30-4-5X/200YMV

R901225455 DR30-4-5X/200YV

R900596961 DR30-4-5X/315Y

R900900568 DR30-4-5X/315Y/12

R900500853 DR30-4-5X/315YM

R900721605 DR30-4-5X/315YM/12

R900552601 DR30-4-5X/315YMK/12

R900951565 DR30-4-5X/315YMV

R900562490 DR30-4-5X/315YV

R900770293 DR30-4-5X/350YM

R900902977 DR30-4-5X/50Y

R901144891 DR30-4-5X/50YM

R900505866 DR30-4-5X/50YMV

R900517977 DR30-4-5X/50YV

R901363484 DR30-4-5X=100Y

R901363483 DR30-4-5X=100YM

R900920445 DR30-5-5X/100-080YMV

R900596339 DR30-5-5X/100Y

R900922541 DR30-5-5X/100Y/12

R900597260 DR30-5-5X/100YM

R900547952 DR30-5-5X/100YM/12

R900597086 DR30-5-5X/100YMV

R900596687 DR30-5-5X/100YV

R900563023 DR30-5-5X/100YV/12

R901167554 DR30-5-5X/200-100YM

R901201341 DR30-5-5X/200-100YMV

换向阀主要由阀体、密封组件、凸轮、阀杆、手柄和阀盖等零部件组成(图1)。阀门由手柄驱动，通过手柄带动阀杆与凸轮旋转，凸轮具有定位驱动与锁定密封组件的开启与关闭功能。手柄逆时针旋转，两组密封组件分别在凸轮的作用下关闭下端的两个通道，上端的两个通道分别与管道装置的进口相通。反之，上端的两个通道关闭，下端两个通道与管道装置的进口相通，实现了不停车换向。