比例液壓閥ZDREE6VP4X-1X/250YG24K0B5M同時壓力油通過先導閥的先導管作用在壓力補償器的背面該補償器節(jié)制泵的流量。隨著油液的不斷充人，直到蓄能器中的壓力克服先導閥的彈簧設定壓力， 先導閥閥芯切換+壓力補償器背面的控制壓力與回油口T相通R901225513 ZDREE10VP2-2X/315XLMG24K31A1M
R901213583 3DREE16P-7X/200YG24K31A1V
R900703033 DREE30-4X/315YG24K31M
R900619604 DREE10-5X/50YG24K31M
R900619345 ZDREE10VP3-1X/315XLMG24NK31M
R900617791 ZDREE10VP1-1X/200LMG24K31M
R900616690 ZDREE10VP1-1X/100LMG24NK31M
R901120744 ZDREE6VP1X-1X/80G24K31A1M
0811J02163 ZDREE10VP3X-1X/250YG24K0B5M
811402185 ZDREE6VP1X-1X/250G24K31A1M
811402181 ZDREE6VP4X-1X/250YG24K0B5M
811402180 ZDREE6VP1X-1X/250YG24K0B5M
811402168 ZDREE10VP4X-1X/250YMG24K0B5M
R901141272 ZDREE10VP4-1X/100LMG24K31V
R901125399 ZDREE10VP2-1X/200YMG24NK31V
R901123213 DREE10-5X/315YMG24NK31V
R901120162 3DREE10P-6X/100YG24K31V-10
R901120072 DREE20-5X/200YG24NK31M-13
R901103815 ZDREE10VP1-1X/315YMG24K31M
R901092001 DREE10-5X/100YMG24NK31M
R901081396 ZDREE10VP1-1X/315LMG24K31M
R901076290 ZDREE10VP2-1X/50LMG24K31V
R901074666 ZDREE10VP4-1X/100LMG24K31M
R901073171 ZDREE10VP1-1X/315LMG24NK31V
R901064706 ZDREE10VP1-1X/200LMG24K31V
R901040927 DREE10-5X/315YG24K31V
R901031164 ZDREE10VP3-1X/315XLMG24K31M
R901030891 ZDREE10VP4-1X/315LMG24K31M
R901030598 ZDREE10VP1-1X/315XYMG24K31M
R901024458 ZDREE10VP1-1X/200LMG24NK31V
R901017726 DREE10-5X/50YMG24K31V
R901012076 ZDREE10VP2-1X/200LMG24NK31M-2
R901003479 ZDREE10VP1-1X/200YMG24NK31M
R901002425 ZDREE10VP4-1X/315XLMG24K31M
R901001648 ZDREE10VP2-1X/100YMG24K31M
R900979912 ZDREE10VP4-1X/200YMG24K31M
R900979166 DREE20-5X/100YG24K31M
R900977465 ZDREE10VP2-1X/315XYMG24NK31M
R900976048 3DREE16P-6X/200YG24K31V
R900975564 ZDREE10VP2-1X/200YMG24K31M
R900974230 DREE10-5X/200YMG24K31V-12
R900973982 DREE10-5X/315YG24K31M
R900973430 DREE20-5X/100YG24K31V
R900972230 DREE20-5X/315YG24K31M
R900971828 3DREE16P-6X/100YG24K31V
R900970321 ZDREE10VP2-1X/100LMG24NK31M-3
R900969350 ZDREE10VP2-1X/100LMG24K31M-3
R900967886 ZDREE10VP1-1X/200LMG24NK31M-2
R900967431 DREE30-4X/200YG24K31M
R900966881 ZDREE10VP2-1X/315XLMG24K31M-2
R900966803 ZDREE10VP4-1X/200LMG24NK31M-2
R900965964 ZDREE10VP1-1X/315XLMG24K31M
R900963389 ZDREE10VP1-1X/315XLMG24NK31M-2
R900961023 DREE20-5X/200YG24NK31M
R900960818 ZDREE10VP4-1X/100YMG24K31M
R900960405 ZDREE10VP1-1X/315YMG24NK31M
R900959892 DREE10-5X/315YG24NK31M
，此時壓力補償器的閥芯切換，使P與N連通，單向閥關閉。這時，充液過程結束而泵的油液以*小的壓降通過充液閥。 R900954524 3DREE16P-6X/50YG24K31V
R900954523 3DREE16P-6X/200YG24K31V
R900954522 3DREE16P-6X/100YG24K31V
R900954521 3DREE10P-6X/50YG24K31V
R900954520 3DREE10P-6X/315XYG24K31V
R900954518 3DREE10P-6X/200YG24K31V
R900954517 3DREE10P-6X/100YG24K31V
R900954516 DREE30-4X/50YMG24K31M
R900954515 DREE30-4X/315YMG24K31M
R900954514 DREE30-4X/200YMG24K31M
R900954513 DREE30-4X/100YMG24K31M
R900954511 DREE20-5X/50YMG24K31M
R900954510 DREE20-5X/315YMG24K31M
R900954509 DREE20-5X/200YMG24K31M
R900954508 DREE20-5X/100YMG24K31M
R900954506 DREE10-5X/50YMG24K31M
R900952965 ZDREE10VP2-1X/50LMG24K31M-3
R900952587 3DREE10P-6X/315YG24K31V
R900952378 ZDREE10VP1-1X/200LMG24NK31M
R900950719 DREE10-5X/100YMG24K31M
R900950007 DREE10-5X/315YMG24NK31M
R900948621 3DREE10P-6X/200YG24K31V
R900948587 ZDREE10VP2-1X/200LMG24K31M
R900948157 ZDREE10VP1-1X/100LMG24NK31M-2
R900948156 ZDREE10VP1-1X/50LMG24NK31M-2
R900945968 ZDREE10VP2-1X/200LMG24NK31V-2
R900945616 ZDREE10VP3-1X/100LMG24NK31M
R900943003 DREE10-5X/100YG24K31M
R900942249 DREE10-5X/50YMG24NK31M
R900940275 ZDREE10VP4-1X/200LMG24NK31M
R900939677 ZDREE10VP2-1X/200LMG24NK31V
R900939533 DREE10-5X/200YG24K31M
R900937209 DREE10-5X/315YMG24K31M
R900937022 DREE10-5X/200YMG24K31M
R900936785 ZDREE10VP2-1X/50LMG24NK31M
R900935754 ZDREE10VP2-1X/315XLMG24NK31M
R900935341 ZDREE10VP2-1X/315XLMG24K31M
R900934089 DREE10-5X/200YG24NK31M
R900923432 DREE10-5X/200YMG24NK31M
R900923303 ZDREE10VP2-1X/200YMG24NK31M
R900923017 ZDREE10VP2-1X/200LMG24NK31M
R900921799 ZDREE10VP2-1X/100LMG24K31M
R900921798 ZDREE10VP2-1X/100LMG24NK31M

(2)泵由零壓循環(huán)狀態(tài)轉為蓄能器充液狀態(tài) 當蓄能器壓力降至下限時，先導控制閥在彈簧力作用下切換，P經(jīng)先導閥與壓力補償器的負載信號腔連通，由于彈簧的共同作用，壓力補償器換向，切斷P與N回路+泵的油液再次經(jīng)單向閥進人蓄能器回路S ，蓄能器充油，直至上一工作循環(huán) 。