Rexroth比例换向阀0811404602
Rexroth比例换向阀0811404602
产品简介：
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。
力士乐液压部分系列型号：
R902427256 AA10VO45DFR1/52L-VUC11N00-S1623
R902432857 AA10VO45DFR1/52L-VUC11N00-S1778
R902443022 AA10VO45DFR1/52L-VUC11N00-S1951
R902443827 AA10VO45DFR1/52L-VUC11N00-S1969
R902427542 AA10VO45DFR1/52L-VUC11N00-S2547
R902430958 AA10VO45DFR1/52L-VUC11N00-S3259
R902430960 AA10VO45DFR1/52L-VUC11N00-S3260
R902497668 AA10VO45DFR1/52L-VUC11N00-SO481
R902410940 AA10VO45DFR1/52L-VUC11N00-SO509
R902407672 AA10VO45DFR1/52L-VUC11N00-SO794
R902455719 AA10VO45DFR1/52L-VUC12K01-SO547
R910987857 AA10VO45DFR1/52L-VUC12N00
R902431193 AA10VO45DFR1/52L-VUC13N00
R902417203 AA10VO45DFR1/52L-VUC13N00-SO547
R992000705 AA10VO45DFR1/52L-VUC13N00-SO547
R902464965 AA10VO45DFR1/52L-VUC13N00-SO547
R902503985 AA10VO45DFR1/52L-VUC62K68
R902503524 AA10VO45DFR1/52L-VUC62N00-SO547
R902504262 AA10VO45DFR1/52L-VUC64N00-SO547
R902504396 AA10VO45DFR1/52L-VUC64N00-SO547
R902547985 AA10VO45DFR1/52L-VWC12N00-S2062
R902551195 AA10VO45DFR1/52L-VWC13N00-S2062
R902430388 AA10VO45DFR1/52L-VWC62N00
R902434864 AA10VO45DFR1/52L-VWC62N00-S1038
R910979693 AA10VO45DFR1/52R-PCC61N00
R902448746 AA10VO45DFR1/52R-PKC11N00
R902437981 AA10VO45DFR1/52R-PKC12H00
R902437739 AA10VO45DFR1/52R-PKC12N00
R902400406 AA10VO45DFR1/52R-PKC61N00
R910984154 AA10VO45DFR1/52R-PKC64N00
R902534651 AA10VO45DFR1/52R-PKC64N00-S3956
R902431315 AA10VO45DFR1/52R-PRC12H00-SO779
R910995966 AA10VO45DFR1/52R-PRC12K04-SO702
R902430380 AA10VO45DFR1/52R-PRC12N00
R902406005 AA10VO45DFR1/52R-PRC62K04
R902401166 AA10VO45DFR1/52R-PRC62K68
R910998359 AA10VO45DFR1/52R-PSC11N00
R902411839 AA10VO45DFR1/52R-PSC11N00-S1509
R910972744 AA10VO45DFR1/52R-PSC11N00-SO116
R910975960 AA10VO45DFR1/52R-PSC11N00-SO615
R902430106 AA10VO45DFR1/52R-PSC12G30
R902433241 AA10VO45DFR1/52R-PSC12G30
R902438944 AA10VO45DFR1/52R-PSC12H00
R910990288 AA10VO45DFR1/52R-PSC12K01-SO116
R902429831 AA10VO45DFR1/52R-PSC12K01-SO200
R902446284 AA10VO45DFR1/52R-PSC12K01E
R902435624 AA10VO45DFR1/52R-PSC12K01ESO200
R902416690 AA10VO45DFR1/52R-PSC12K04
R902427850 AA10VO45DFR1/52R-PSC12K04-S1543
R910985752 AA10VO45DFR1/52R-PSC12K52
R910992423 AA10VO45DFR1/52R-PSC12K68
R902407129 AA10VO45DFR1/52R-PSC12K68-SO973
R910997106 AA10VO45DFR1/52R-PSC12N00
R902423768 AA10VO45DFR1/52R-PSC12N00-S1518
R902411798 AA10VO45DFR1/52R-PSC12N00-SO116
R902434345 AA10VO45DFR1/52R-PSC12N00-SO547
R910995914 AA10VO45DFR1/52R-PSC12N00-SO702
R902435326 AA10VO45DFR1/52R-PSC12N00E
R902434294 AA10VO45DFR1/52R-PSC12N00E
R902437310 AA10VO45DFR1/52R-PSC12N00ES4101
R902433520 AA10VO45DFR1/52R-PSC12N00ESO116
R910975491 AA10VO45DFR1/52R-PSC61N00
R902423206 AA10VO45DFR1/52R-PSC61N00-S1487
R902408932 AA10VO45DFR1/52R-PSC61N00-SO97
R910995018 AA10VO45DFR1/52R-PSC61N00-SO547
R902427931 AA10VO45DFR1/52R-PSC62K01
R902426055 AA10VO45DFR1/52R-PSC62K02
R902400465 AA10VO45DFR1/52R-PSC62K04
R902401356 AA10VO45DFR1/52R-PSC62K68
R910985626 AA10VO45DFR1/52R-PSC62N00
R910966718 AA10VO45DFR1/52R-PSC64N00
R902400067 AA10VO45DFR1/52R-PSC64N00-SO97
R910972300 AA10VO45DFR1/52R-PSC64N00-SO229
R902428396 AA10VO45DFR1/52R-PSC64N00-SO547
R902411950 AA10VO45DFR1/52R-PSC64N00-SO747
R910978802 AA10VO45DFR1/52R-PUC11N00
R902443457 AA10VO45DFR1/52R-PUC11N00E
R910971912 AA10VO45DFR1/52R-PUC12N00
R902404541 AA10VO45DFR1/52R-PUC12N00-S1089
R902422744 AA10VO45DFR1/52R-PUC12N00-S1349
R910983883 AA10VO45DFR1/52R-PUC12N00-SO607
R910979944 AA10VO45DFR1/52R-PUC12N00-SO649
R910996601 AA10VO45DFR1/52R-PUC12N00-SO937
R910978932 AA10VO45DFR1/52R-PUC12N00*UNGUEL***
R910970240 AA10VO45DFR1/52R-PUC12N00*UNGUEL***
R910974596 AA10VO45DFR1/52R-PUC61N00
R902423207 AA10VO45DFR1/52R-PUC61N00-S1487
R902400014 AA10VO45DFR1/52R-PUC62K68
R902400418 AA10VO45DFR1/52R-PUC62N00
R902400038 AA10VO45DFR1/52R-PUC62N00-S2364
R902400171 AA10VO45DFR1/52R-PUC62N00-SO794
R910970022 AA10VO45DFR1/52R-PUC64N00
R902544706 AA10VO45DFR1/52R-PUC64N00
R910966197 AA10VO45DFR1/52R-PUC64N00-SO277
R902401297 AA10VO45DFR1/52R-PUC64N00-SO381
R902427675 AA10VO45DFR1/52R-PUC64N00-SO547
R910979647 AA10VO45DFR1/52R-PUC64N00-SO638
R902400092 AA10VO45DFR1/52R-PUC64N00-SO854
R902420655 AA10VO45DFR1/52R-PWC11N00-S1519
R910997556 AA10VO45DFR1/52R-PWC11N00-SO710
R902400841 AA10VO45DFR1/52R-PWC12N00
R902410931 AA10VO45DFR1/52R-VCC73N00-S1191
R902419983 AA10VO45DFR1/52R-VCC73N00-S1419
R902420550 AA10VO45DFR1/52R-VCC73N00-S1430
R902427240 AA10VO45DFR1/52R-VCC73N00-S1624
R902443825 AA10VO45DFR1/52R-VCC73N00-S1966
R902450558 AA10VO45DFR1/52R-VKC11N00-S1008
R902496400 AA10VO45DFR1/52R-VKC12K01
R902496199 AA10VO45DFR1/52R-VRC12K04
R902554668 AA10VO45DFR1/52R-VRC12K52
R902436089 AA10VO45DFR1/52R-VRC62K68
R902464728 AA10VO45DFR1/52R-VSC11N00
R902443977 AA10VO45DFR1/52R-VSC11N00-S1008
R902539735 AA10VO45DFR1/52R-VSC11N00-S2359
R902468234 AA10VO45DFR1/52R-VSC11N00-S4986
R902460858 AA10VO45DFR1/52R-VSC12G75
R902413332 AA10VO45DFR1/52R-VSC12K01
R902435332 AA10VO45DFR1/52R-VSC12K01E
R902540903 AA10VO45DFR1/52R-VSC12K01*GO2EU*
R902451240 AA10VO45DFR1/52R-VSC12K04
R910999102 AA10VO45DFR1/52R-VSC12K52-S1022
R902411731 AA10VO45DFR1/52R-VSC12K52-S1237
R910999017 AA10VO45DFR1/52R-VSC12K52-SO973
R902464314 AA10VO45DFR1/52R-VSC12K68
R902411923 AA10VO45DFR1/52R-VSC12K68-S1652
R902404767 AA10VO45DFR1/52R-VSC12N00
R902410368 AA10VO45DFR1/52R-VSC12N00-S1190
R902436559 AA10VO45DFR1/52R-VSC12N00-S1388
R902405400 AA10VO45DFR1/52R-VSC12N00-SO547
R902449610 AA10VO45DFR1/52R-VSC62N00
R902451891 AA10VO45DFR1/52R-VSC64N00
R902502738 AA10VO45DFR1/52R-VSC64N00*GO2*
R902454140 AA10VO45DFR1/52R-VSC64N00-S2053
R910989824 AA10VO45DFR1/52R-VSC64N00-SO481
R986110386 AA10VO45DFR1/52R-VSC64N00-SO481
R902451015 AA10VO45DFR1/52R-VUC11N00-S1631
R902496187 AA10VO45DFR1/52R-VUC11N00-S3562
R902484264 AA10VO45DFR1/52R-VUC11N00-SO547
R902402758 AA10VO45DFR1/52R-VUC11N00-SO794
R902482407 AA10VO45DFR1/52R-VUC12K01
R902491512 AA10VO45DFR1/52R-VUC12K68
R902461412 AA10VO45DFR1/52R-VUC12N00
R910987848 AA10VO45DFR1/52R-VUC12N00-SO749
R902451459 AA10VO45DFR1/52R-VUC61N00
R902504664 AA10VO45DFR1/52R-VUC62N00*GO2*
R902406826 AA10VO45DFR1/52R-VUC62N00-SO547
R902504365 AA10VO45DFR1/52R-VUC64N00
R910997093 AA10VO45DFR1/52R-VWC11N00
R902539737 AA10VO45DFR1/52R-VWC11N00-S2359
R902543719 AA10VO45DFR1/52R-VWC11N00-S4577
R902548161 AA10VO45DFR1/52R-VWC11N00-S4718
R902539736 AA10VO45DFR1/52R-VWC11N00-S4983
R902539770 AA10VO45DFR1/52R-VWC11N00-S4984
R902492655 AA10VO45DFR1/52R-VWC12KC1
R902408980 AA10VO45DFR1/52W-PSC11N00-S1157
R902429357 AA10VO45DFR1/52W-PUC11N00*UNGUEL***
R902429900 AA10VO45DFR1/52W-PUC45N00-SO724
R992000747 AA10VO45DFR1/52W-PUC45N00-SO724
R902430702 AA10VO45DFR1/52WX-VSC95N000-SO481
R902420774 AA10VO45DFR1/52WX-VSC95N000-SO481
R902443613 AA10VO45DFR5/52R-PSC11N00-S2062
R902460418 AA10VO45DFR5/52R-PSC11N00-S2359
R902439915 AA10VO45DFR5/52R-PWC11N00-S1519
R902439914 AA10VO45DFR5/52R-PWC11N00-SO710
R902439913 AA10VO45DFR5/52R-PWC12N00-SO627
R992000793 AA10VO45DFR5/52R-PWC12N00-SO627
R902406006 AA10VO45DR/52L-PRC62K04
R902419149 AA10VO45DR/52L-PSC11N00
R902414595 AA10VO45DR/52L-PSC12N00
R902406007 AA10VO45DR/52L-PSC61N00
R902404999 AA10VO45DR/52L-PSC62K01
R902400311 AA10VO45DR/52L-PSC62N00
R910984529 AA10VO45DR/52L-PSC64N00
R910984547 AA10VO45DR/52L-PSC64N00-SO638
R910985212 AA10VO45DR/52L-PUC11N00
R910979194 AA10VO45DR/52L-PUC12N00
R902400044 AA10VO45DR/52L-PUC61N00
R902400102 AA10VO45DR/52L-PUC62K68
R910979225 AA10VO45DR/52L-PUC62N00
R910983597 AA10VO45DR/52L-PUC64N00
R902401257 AA10VO45DR/52L-PUC64N00-SO97
R910994845 AA10VO45DR/52L-VSC11N00-SO794
R902400159 AA10VO45DR/52L-VSC61N00
R902434377 AA10VO45DR/52L-VUC12N00
R902449247 AA10VO45DR/52R-PKC12N00
R902406008 AA10VO45DR/52R-PRC62K04
R902437603 AA10VO45DR/52R-PSC12K01*UNGUEL***
R902437431 AA10VO45DR/52R-PSC12K01*UNGUEL***
R902405853 AA10VO45DR/52R-PSC12K02
R910994075 AA10VO45DR/52R-PSC12K02-SO97
R910989140 AA10VO45DR/52R-PSC12N00
R902405343 AA10VO45DR/52R-PSC12N00-SO607
R902430578 AA10VO45DR/52R-PSC12N00-SO779
R902406009 AA10VO45DR/52R-PSC61N00
R902425312 AA10VO45DR/52R-PSC62K01
R902407432 AA10VO45DR/52R-PSC62K02
R910986341 AA10VO45DR/52R-PSC62K04-SO97
R902426054 AA10VO45DR/52R-PSC62N00
R910986342 AA10VO45DR/52R-PSC62N00-SO97
R910985580 AA10VO45DR/52R-PSC62N00-SO710
R902400322 AA10VO45DR/52R-PSC64N00
R902422939 AA10VO45DR/52R-PSC64N00-S1494
R910997671 AA10VO45DR/52R-PUC11N00-SO710
R910975501 AA10VO45DR/52R-PUC61N00
R902438321 AA10VO45DR/52R-PUC62K68
R902401292 AA10VO45DR/52R-PUC62K68-SO779
R910972850 AA10VO45DR/52R-PUC64N00
R902452041 AA10VO45DR/52R-VCC62H00-S2059
R902449194 AA10VO45DR/52R-VCC62K52-S2059
R902465512 AA10VO45DR/52R-VRC62K68-S1530
R902465529 AA10VO45DR/52R-VRC62K68-S2488
R902402828 AA10VO45DR/52R-VSC11N00
R902437574 AA10VO45DR/52R-VSC11N00E
R902418954 AA10VO45DR/52R-VSC12K04
R902560553 AA10VO45DR/52R-VSC12K68
R902404461 AA10VO45DR/52R-VSC62N00
R910998499 AA10VO45DR/52R-VSC62N00-SO710
R902454243 AA10VO45DR/52R-VUC11N00
R910994265 AA10VO45DR/52R-VUC12N00-S1124
R902400017 AA10VO45DR/52R-VUC64N00
R902506261 AA10VO45DR/52R-VWC12K01
R902436642 AA10VO45DR/52W-PUC45N000-S1863
R902452036 AA10VO45DR1/52R-VCC62H00-S2059
R902431425 AA10VO45DR1/52R-VSC62N00-S1764
R902406581 AA10VO45DRG/52L-PKC62N00
R902400270 AA10VO45DRG/52L-PKC64N00
R910983881 AA10VO45DRG/52L-PRC12K02
R902406010 AA10VO45DRG/52L-PRC62K04
R910976869 AA10VO45DRG/52L-PSC11N00
R902401736 AA10VO45DRG/52L-PSC12K02-SO97
R910976902 AA10VO45DRG/52L-PSC12K68
R910972964 AA10VO45DRG/52L-PSC12N00-SO547
R902434907 AA10VO45DRG/52L-PSC12N00-SO702
R910975616 AA10VO45DRG/52L-PSC61N00
R910975671 AA10VO45DRG/52L-PSC62K68
R902401404 AA10VO45DRG/52L-PSC62N00
R902406011 AA10VO45DRG/52L-PSC64N00
R902409545 AA10VO45DRG/52L-PUC12N00
R902400242 AA10VO45DRG/52L-PUC64N00
R902400095 AA10VO45DRG/52L-PUC64N00-SO97
R902409992 AA10VO45DRG/52L-VSC11N00-S1171
R902402755 AA10VO45DRG/52L-VSC11N00-SO794
R910986383 AA10VO45DRG/52L-VSC61N00
R902400027 AA10VO45DRG/52L-VUC11N00
R910989040 AA10VO45DRG/52L-VUC11N00-S1407
R910989041 AA10VO45DRG/52L-VUC11N00-S1408
R902423992 AA10VO45DRG/52L-VUC11N00-S1528
R902450559 AA10VO45DRG/52L-VUC12N00
R902400252 AA10VO45DRG/52R-PKC64N00
R902406012 AA10VO45DRG/52R-PRC62K04
R910994852 AA10VO45DRG/52R-PSC12K02-SO97
R902433487 AA10VO45DRG/52R-PSC12K68-S1050
R902413464 AA10VO45DRG/52R-PSC12K68-SO710
R910996832 AA10VO45DRG/52R-PSC12N00
R910983637 AA10VO45DRG/52R-PSC61N00
R902400055 AA10VO45DRG/52R-PSC62K68
R902406013 AA10VO45DRG/52R-PSC62N00
R902436359 AA10VO45DRG/52R-PSC62N00-S1859
R902401284 AA10VO45DRG/52R-PSC62N00-SO710
R902400271 AA10VO45DRG/52R-PSC64N00
R902402890 AA10VO45DRG/52R-PUC11N00-S1038
R902420469 AA10VO45DRG/52R-PUC11N00-S1427
R902403422 AA10VO45DRG/52R-PUC12N00
R902401359 AA10VO45DRG/52R-PUC61N00-SO97
R902401295 AA10VO45DRG/52R-PUC62K68-SO779
R902444973 AA10VO45DRG/52R-PUC62N00
R910986161 AA10VO45DRG/52R-PUC64N00
R902400096 AA10VO45DRG/52R-PUC64N00-SO97
R902411836 AA10VO45DRG/52R-VUC11N00-S1171
R902418091 AA10VO45DRG/52R-VUC11N00-S1380
R902402408 AA10VO45DRG/52R-VUC12N00-S1127
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。
基本信息
中文名称
比例阀
外文名称
Proportional valve
作用
控制油液的流量和方向
结构
滑阀
目录
1滑阀结构
2区别
3延伸资料
滑阀结构
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!
区别
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，比例阀一般最高几十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。
延伸资料
---电气比例阀
自动控制可分成断续控制和连续控制。断续控制即开关控制。气动控制系统中使用动作频率较低的开关式(ON-OFF)的换向阀来控制气路的通断。靠减压阀来调节所需要的压力，靠节流阀来调节所需要的流量。这种传统的气动控制系统要想要有多个输出力和多个运动速度，就需要多个减压阀、节流阀及换向阀。这样，不仅元件需要多，成本高，构成系统复杂，且许多元件都需要预先进行人工调节。电气比例阀控制属于连续控制，其特点是输出量随输入量的变化而变化，输出量与输入量之间存在一定的比例关系。比例控制有开环控制和闭环控制之分。
结构原理
输入信号增大，供气用电磁阀先导阀1换向，而排气用电磁先导阀7处于复位状态，则供气压力从SUP口通过阀1进入先导室5，先导室压力上升，气压力作用在膜片2的上方，则和膜片2相连的供气阀芯4便开启，排气阀芯3关闭，产生输出压力。此输出压力通过压力传感器6反馈至控制回路8。在这里，与目标值进行快速比较修正，知道输出压力与输入信号成一定比例为止，从而得到输出压力与输入信号的变化成比例的变化。由于没有喷嘴挡板机构，故阀对杂质不敏感，可靠性高。
特点
1)可实现压力、速度的无极调节，避免了常通的开关式气阀换向时的冲击现象。
2)能实现远程控制和程序控制。
3)与断续控制相比，系统简化，元件大大减少。
4)与液压比例阀相比，体积小、重量轻、结构简单、成本较低，但响应速度比液压系统慢得多，对负载变化也比较敏感。
5)使用功率小、发热少、噪声低。
6)不会发生火灾，不污染环境。受温度变化的影响小。
公司简介：
武汉百士自动化设备有限公司位于武汉洪山区，是一家从事经营自动化仪表备件、液压泵阀的贸易型公司；专注于中国工业传动自动化流体领域。主营产品数控模块、伺服电机、可编程控制器、传感器、气动元件、工业仪器仪表、电磁阀、柱塞泵、液压元件等。经营品牌有：贝加莱B&R、西门子Siemens、本特利bently、爱尔泰克Airtec气动、安沃驰Aventics、博世力士乐rexroth、阿托斯ATOS、迪普马DUPLOMATIC、Parker派克、伊顿EATON VICKERS等品牌。
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