AA10VS018DFR1/31R-PPA12N00

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单回路充液阀的结构，主要由控制充液压力上下限的先导阀和充液主阀构成，图中的P、O、A、T分别为油泵压力油进油口、通往下游液压系统的出口、通往蓄能器出口及回油口。
充液阀的充液过程为:当蓄能器的压力低于充液阀设定的下限压力时，作用在上限单向阀阀芯3上的液压力低于先导阀4左端弹簧8的作用力，使下限单向阀6关闭，上限单向阀3打开，蓄能器内的压力油经先导阀芯4、节流通道Ⅱ进入主阀右腔，推动主阀芯9克服左腔压力向左移动，逐渐降低主阀开度，P与O口间的节流作用造成P口压力增高。随后P口与A口间的单向阀打开，经节流口向蓄能器供液。当蓄能器压力达到上限时，作用在先导阀右端单向阀阀芯3的液压力大于左端弹簧压力，下限单向阀6打开，上限单向阀3关闭，主阀右腔经先导阀于T口相通泄压，在左端压力作用下克服右端弹簧压力右移，P口与A口间的单向阀关闭，恢复全流量向下游系统供液，充液过程结束。

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0811405069 VT-VRRA1-527-20/V0/KV-AGC
0811405060  VT-VRRA1-527-20/V3   现货  
0811405061  VT-VRRA1-537-20/V0   现货  
0811405063  VT-VRRA1-527-20/V0/2STV 现货    
0811405065  VT-VRRA1-527-20/V0/K40-AGC     
0811405066  VT-VRRA1-527-20/V0/K60-AGC
0811405067  VT-VRRA1-537-20/V0/K40-AGC
0811405074  VT-VRPA1-527-20/V0/RTS-2/2V
0811405097  VT-VRPA1-537-10/V0/PV
0811405098  VT-VRPA1-527-10/V0/QV
0811405102  VT-VRPA1-537-10/V0/PV-RTP     
0811405104  VT-VRPA1-537-10/V0/QV-RTP
0811405106  VT-MSPA2-525-10/V0     
0811405126  VT-MSPA1-508-10/V0     
0811405127  VT-MSPA1-525-10/V0     
0811405143  VT-SSPA1-525-2X/V0
0811405144  VT-SSPA1-508-20/V0     
0811405540  HM18-1X/210-V-S/V0/0
0811405547 HM18-1X/350-V-S/V0/0
0811405554 HM18-1X/100-V-S/V0/0
0811405553 HM18-1X/350-D-R/V0/0
0811405552 HM18-1X/210-D-R/V0/0
0811405549 HM18-1X/060-C-S/V0/0
0811405548 HM18-1X/100-C-S/V0/0
0811405547 HM18-1X/350-V-S/V0/0
0811405546 HM18-1X/350-C-B/V0/0
0811405545 HM18-1X/210-C-B/V0/0
0811405544 HM18-1X/350-C-R/V0/0
0811405543 HM18-1X/210-C-R/V0/0
0811405542 HM18-1X/350-C-S/V0/0
0811405541 HM18-1X/210-C-S/V0/0
0811405540 HM18-1X/210-V-S/V0/0
0811405539 HM18-1X/160-C-B/V0/0
0811405538 HM18-1X/350-N-S/V0/0
0811405537 HM18-1X/100-N-S/V0/0
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