| 型号 : | PVV4-1X/122RA15DMB | 品牌 : | 力士乐 |
| 型号 : | PVV4-1X/122RA15DMB |
武汉耀泰机电设备有限公司联系人：韩先生 电话：027-87781613 手机：15377636052 传真：027-87781567 QQ：2848200056 邮箱：2848200056@qq.com武汉耀泰应全系列力士乐泵阀，力士乐叶片泵PVV1-1X/046RA15DMB，PVV2-1X/040RA15DMB，PVV2-1X/045RA15DMB，PVV2-1X/055RA15DMB，PVV2-1X/055RA15DMB，PVV2-1X/060RA15DMB，PVV2-1X/068RA15DMB，力士乐叶片泵|力士乐定量泵PVV4-1X/069RA15DMB，PVV4-1X/082RA15DMB，PVV4-1X/098RA15DMB，PVV4-1X/113RA15DMB，PVV4-1X/122RA15DMB，PVV5-1X/139RA15DMB，PVV5-1X/154RA15DMB，PVV5-1X/162RA15DMB，PVV5-1X/183RA15DMB，PVV5-1X/193RA15DMB力士乐双联叶片泵|REXROTH双联叶片泵叶片泵转子旋转时，叶片在离心力和压力油的作用下，尖部紧贴在定子内表面上。
这样两个叶片与转子和定子内表面所构成的工作容积，先由小到大吸油后再由大到小排油，叶片旋转一周时，完成两次吸油与排油。
PVV21-1X/060-040RA15DDMB，PVV21-1X/068-027RA15LUMB，PVV41-1X/098-027RA15UDMC，PVV41-1X/122-036RA15DDMCPVV42-1X/098-045RA15DDMC，PVV21-1X/068-027RA15LUMB，PVV51-1X/162-036RB15DDMC，PVV51-1X/193-027RA15DDMCPVV52-1X/193-040RB15URMC，PVV52-1X/193-055RB15UUMCPVV54-1X/183-082RA15DDMC PVV54-1X/139-082RA15UUMC！力士乐PVQ系列--行走机械用型叶片泵 PVQ2-1X055RA15DLMB，PVQ2-1X068RA15DLMB，PVQ21-1X060-018RA15DLMB，PVQ4-1X/82RA-15DMC，PVQ4-1X/98RA-15DMC，PVQ4-1X/113RA-15DMC，PVQ4-1X/122RA-15DMC，PVQ5-1X/139/154/162/193，PVQ21-1X/060-040RA15DDMB，PVQ21-1X/068-027RA15LUMB，PVQ41-1X/098-027RA15UDMC，PVQ41-1X/122-036RA15DDMC泵由转子1、定子2、叶片3、配油盘和端盖等部件所组成。
定子的内表面是圆柱形孔。
转子和定子之间存在着偏心。
叶片在转子的槽内可灵活滑动，在转子转动时的离心力以及通入叶片根部压力油的作用下，叶片顶部贴紧在定子内表面上，于是两相邻叶片、配油盘、定子和转子间便形成了一个个密封的工作腔。
当转子按逆时针方向旋转时，图右侧的叶片向外伸出，密封工作腔容积逐渐增大，产生真空，于是通过吸油口6和配油盘5上窗口将油吸入。
而在图的左侧。
叶片往里缩进，密封腔的容积逐渐缩小，密封腔中的油液经配油盘另一窗口和压油口1被压出而输出到系统中去。
这种泵在转子转一转过程中，吸油压油各一次，故称单作用泵。
转子受到径向液压不平衡作用力，故又称非平衡式泵，其轴承负载较大。
改变定子和转子间的偏心量，便可改变泵的排量，故这种泵都是变量泵。
REXROTH叶片泵|REXROTH定量泵PVQ42-1X/098-045RA15DDMC，PVQ21-1X/068-027RA15LUMB，PVQ51-1X/162-036RB15DDMC，PVQ51-1X/193-027RA15DDMCPVQ52-1X/193-040RB15URMC，PVQ52-1X/193-055RB15UUMCPVQ54-1X/183-082RA15DDMC PVQ54-1X/139-082RA15UUMC
PVV2-1X/040RA15DMB PVV2-1X/045RA15DMBPVV2-1X/055RA15DMB PVV2-1X/060RA15DMBPVV2-1X/068RA15DMB PVV4-1X/069RA15DMBPVV4-1X/082RA15DMB PVV4-1X/098RA15DMBPVV4-1X/113RA15DMB PVV4-1X/122RA15DMBPVV5-1X/139RA15DMB PVV5-1X/154RA15DMBPVV5-1X/162RA15DMB PVV5-1X/183RA15DMBPVV5-1X/193RA15DMB PVV5-1X/193RA15DMB
PVV21-1X/060-040RA15DDMB PVV21-1X/068-027RA15LUMBPVV41-1X/098-027RA15UDMC PVV41-1X/122-036RA15DDMCPVV42-1X/098-045RA15DDMC PVV21-1X/068-027RA15LUMBPVV51-1X/162-036RB15DDMC PVV51-1X/193-027RA15DDMCPVV52-1X/193-040RB15URMC PVV52-1X/193-055RB15UUMCPVV54-1X/183-082RA15DDMC PVV54-1X/139-082RA15UUMCPVV52-1X/139-068RA15DLMC PVV5-1X/193RA15LMCPVV54-1X/139-069RA15UUMC PVV2-1X/068RJ15UMBPVV4-1X/113RJ15UMC PVV1-1X/027LA15LMBPVV42-1X/082-045RA15DDMC PVV1-1X/027RJ15DVBPVV54-1X/162-082RB15UUMC PVV41-1X/082-018RA15RRVCPVV41-1X/082-046RA15UUMC PVV51-1X/139-027RA15DLMCPVV52-1X/139-068RA15DLMC PVV21-1X/040-018RB15UDMBPVV5-1X/154RJ15DVC PVV21-1X/055-018RA15UUVBPVV5-1X/193RA15LMC PVV4-1X/122RA15RMCPVV54-1X/154-113RJ15UUMC PVV21-1X/045-027RJ15UUMBPVV21-1X/068-027RA15URMB PVV51-1X/154-027RA15RRVCPVV54-1X/193-122RA15UUVC PVV54-1X/193-113RA15UUVC PVV1-1X/046RA15DVB PVV41-1X/082-036RA15LLMCPVV2-1X/060RA15LMB PVV54-1X/193-082RA15DDMCPVV52-1X/154-055RA15UUMC PVV42-1X/082-068RA15UUMCPVV54-1X/183-122RB15DDMC PVV54-1X/139-098RB15DDMCPVV52-1X/162-055RB15DDMC PVV52-1X/154-068RB15DDMC它的作用原理和单作用叶片泵相似，不同之处只在于定子表面是由两段长半径圆弧、两段短半径圆弧和四段过渡曲线八个部分组成，且定子和转子是同心的。
在图示转子顺时针方向旋转的情况下，密封工作腔的容积在左上角和右下角处逐渐增大，为吸油区，在左下角和右上角处逐渐减小，为压油区；吸油区和压油区之间有一段封油区把它们隔开。
这种泵的转子每转一转，每个密封工作腔完成吸油和压油动作各两次，所以称为双作用叶片泵。
泵的两个吸油区和两个压油区是径向对称的，作用在转子上的液压力径向平衡，所以又称为平衡式叶片泵。
双作用叶片泵的瞬时流量是脉动的，当叶片数为4的倍数时脉动率小。
为此，双作用叶片泵的叶片数一般都取12或16。
适合多种不同速度和粘度范围
可提供联轴泵可和轴向柱塞泵和内啮合齿轮泵连接使用PVV2-1X/040RA15DMB PVV2-1X/045RA15DMB力士乐RexrothPVV2-1X/055RA15DMB PVV2-1X/060RA15DMBPVV2-1X/068RA15DMB PVV4-1X/069RA15DMBPVV4-1X/082RA15DMB PVV4-1X/098RA15DMB力士乐RexrothPVV4-1X/113RA15DMB PVV4-1X/122RA15DMBPVV5-1X/139RA15DMB PVV5-1X/154RA15DMBPVV5-1X/162RA15DMB PVV5-1X/183RA15DMB力士乐RexrothPVV5-1X/193RA15DMB PVV5-1X/193RA15DMBPVV21-1X/060-040RA15DDMB，PVV21-1X/068-027RA15LUMB力士乐RexrothPVV41-1X/098-027RA15UDMC，PVV41-1X/122-036RA15DDMCPVV42-1X/098-045RA15DDMC，PVV21-1X/068-027RA15LUMBPVV51-1X/162-036RB15DDMC，PVV51-1X/193-027RA15DDMC力士乐RexrothPVV52-1X/193-040RB15URMC，PVV52-1X/193-055RB15UUMCPVV54-1X/183-082RA15DDMC， PVV54-1X/139-082RA15UUMCPVQ2-1X055RA15DLMB，PVQ2-1X068RA15DLMB力士乐RexrothPVQ21-1X060-018RA15DLMB，PVQ4-1X/82RA-15DMCPVQ4-1X/98RA-15DMC，PVQ4-1X/113RA-15DMCPVQ4-1X/122RA-15DMC，PVQ5-1X/139/154/162/193力士乐RexrothPVQ21-1X/060-040RA15DDMB，PVQ21-1X/068-027RA15LUMBPVQ41-1X/098-027RA15UDMC，PVQ41-1X/122-036RA15DDMCPVQ42-1X/098-045RA15DDMC，PVQ21-1X/068-027RA15LUMB力士乐RexrothPVQ51-1X/162-036RB15DDMC，PVQ51-1X/193-027RA15DDMCPVQ52-1X/193-040RB15URMC，PVQ52-1X/193-055RB15UUMCPVQ54-1X/183-082RA15DDMC PVQ54-1X/139-082RA15UUMCR901116694 PVV52-1X/139-068RA15DLMCR901106500 PVV5-1X/193RA15LMCR900618320 PVV54-1X/139-069RA15UUMCR900617458 PVV2-1X/068RJ15UMBR900616927 PVV4-1X/113RJ15UMC它的作用原理和单作用叶片泵相似，不同之处只在于定子表面是由两段长半径圆弧、两段短半径圆弧和四段过渡曲线八个部分组成，且定子和转子是同心的。
在图示转子顺时针方向旋转的情况下，密封工作腔的容积在左上角和右下角处逐渐增大，为吸油区，在左下角和右上角处逐渐减小，为压油区；吸油区和压油区之间有一段封油区把它们隔开。
这种泵的转子每转一转，每个密封工作腔完成吸油和压油动作各两次，所以称为双作用叶片泵。
泵的两个吸油区和两个压油区是径向对称的，作用在转子上的液压力径向平衡，所以又称为平衡式叶片泵。
双作用叶片泵的瞬时流量是脉动的，当叶片数为4的倍数时脉动率小。
为此，双作用叶片泵的叶片数一般都取12或16。
R961002468 WELLE PVV/PVQ54-1X/J+LAGERR961002460 WELLE PVV/PVQ51-1X/J+LAGERR961002459 WELLE PVV/PVQ51-1X/B+LAGERR961002443 WELLE PVV/PVQ 5-1X/B+LAGERR961002441 WELLE PVV/PVQ 5-1X/A+LAGERR961002440 WELLE PVV/PVQ 4-1X/J+LAGERR901141365 PVV1-1X/027LA15LMBR901138307 PVV42-1X/082-045RA15DDMCR901127013 PVV1-1X/027RJ15DVBR901125797 PVV54-1X/162-082RB15UUMCR901123353 PVV41-1X/082-018RA15RRVCR901120947 PVV41-1X/082-046RA15UUMCR901116697 PVV51-1X/139-027RA15DLMCR901116694 PVV52-1X/139-068RA15DLMCR901110909 PVV21-1X/040-018RB15UDMBR901108431 PVV5-1X/154RJ15DVCR901107242 PVV21-1X/055-018RA15UUVBR901106500 PVV5-1X/193RA15LMCR901104702 PVV4-1X/122RA15RMCR901104691 PVV54-1X/154-113RJ15UUMCR901100678 PVV21-1X/045-027RJ15UUMBR901100223 ABUPG-PVV4- 98U-1X/132M-4-B1K/SE SIER901100169 PVV21-1X/068-027RA15URMBR901099056 PVV51-1X/154-027RA15RRVCR901098483 PVV54-1X/193-122RA15UUVCR901094926 PVV54-1X/193-113RA15UUVCR901094615 ABUPG-PVV1- 46U-1X/100L-4-AG0/SER901093768 PVV1-1X/046RA15DVBR901092271 PVV41-1X/082-036RA15LLMCR901091909 PVV2-1X/060RA15LMBR901091196 PVV54-1X/193-082RA15DDMCR901089304 SY2DFEE-2X/045-PVV/01089270+00940260R901089061 PVV52-1X/154-055RA15UUMCR901086511 PVV42-1X/082-068RA15UUMCR901085408 PVV54-1X/183-122RB15DDMCR901085403 PVV54-1X/139-098RB15DDMCR901085400 PVV52-1X/162-055RB15DDMCR901085398 PVV52-1X/154-068RB15DDMCR901085395 PVV51-1X/154-046RB15DDMCR901085392 PVV51-1X/139-027RB15DDMCR901085390 PVV42-1X/082-045RB15DDMCR901085387 PVV42-1X/098-040RB15DDMCR901085385 PVV41-1X/113-018RB15DDMCR901085383 PVV41-1X/122-027RB15DDMCR901085381 PVV21-1X/068-018RB15DDMBR901085379 PVV21-1X/055-027RB15DDMBR901084887 PVV52-1X/193-045RA15DDMCR901083429 PVV54-1X/139-113LB15DDMCR901081361 PVV21-1X/055-018RA15DDMBR901080702 PVV5-1X/193RA15DVCR901080473 PVV52-1X/193-068LA15UUMCR901079432 PVV1-1X/027RA15RMBR901078751 PVV51-1X/139-018RJ15DLMCR901077322 PVV51-1X/193-027RB15UUMCR901076988 PVV5-1X/162LA15DMCR901075202 PVV42-1X/113-055RA15UUMCR901075200 PVV41-1X/122-046RA15UUMCR901074802 PVV21-1X/060-018RB15DDMBR901069521 PVV51-1X/139-027RB15LLMCR901066306 PVV21-1X/040-018RA15RRMBR901063719 PVV42-1X/098-068RB15UUMCR901063622 PVV2-1X/055RA15LMBR901062107 ABHPG-PVV1-018U/90L-6-W1/SF泵由转子1、定子2、叶片3、配油盘和端盖等部件所组成。
定子的内表面是圆柱形孔。
转子和定子之间存在着偏心。
叶片在转子的槽内可灵活滑动，在转子转动时的离心力以及通入叶片根部压力油的作用下，叶片顶部贴紧在定子内表面上，于是两相邻叶片、配油盘、定子和转子间便形成了一个个密封的工作腔。
当转子按逆时针方向旋转时，图右侧的叶片向外伸出，密封工作腔容积逐渐增大，产生真空，于是通过吸油口6和配油盘5上窗口将油吸入。
而在图的左侧。
叶片往里缩进，密封腔的容积逐渐缩小，密封腔中的油液经配油盘另一窗口和压油口1被压出而输出到系统中去。
这种泵在转子转一转过程中，吸油压油各一次，故称单作用泵。
转子受到径向液压不平衡作用力，故又称非平衡式泵，其轴承负载较大。
改变定子和转子间的偏心量，便可改变泵的排量，故这种泵都是变量泵。
R901059672 PVV54-1X/162-122RA15DDMCR901061186 PVV51-1X/193-018RA15LDMCR901057121 PVV51-1X/193-046RA15DDMCR901055602 PVV4-1X/113LA15UMCR901054757 ABHPG-PVV1-027D/90L-4-A1/SBFR901053049 PVV51-1X/193-046RA15DLMCR901053014 PVV51-1X/193-046LA15DLMCR901050795 PVV54-1X/183-069RA15UUMCR901045673 PVV4-1X/098RA15LMCR901044270 PVV2-1X/040RA15UVBR901042655 PVV54-1X/154-082RA15UUMCR901042651 PVV41-1X/082-040RA15UUMCR901042169 PVV21-1X/045-040LA15UUMBR901040968 PVV1-1X/040RA15UVBR901040503 PVV1-1X/036RJ15DVBR901040430 ABUPG-PVV1- 46U-1X/100L-4-A0K/S ABBR901037970 PVV1-1X/018RA15RMBR901036232 PVV51-1X/193-027RA15UUMCR901034701 PVV54-1X/193-122RJ15DDMCR901033123 ABUPG-PVV21- 45- 18U-1X/100L-4-A0/SR901031937 PVV2-1X/055RA15DVBR901031658 PVV21-1X/068-046RA15UUMBR901029208 ABAPG-PVV2-068U/100L-4-A0/SER901028783 PVV2-1X/045LA15UMBR901027161 ZUBEHOER AB41-20A1X/B35-100/0-PVV2/MR901026966 PVV54-1X/154-122RB15UUMCR901025366 ABUPG-PVV1- 18U-1X/ 80 -4-O1HAN10ESS/SR901024714 PVV51-1X/162-046RA15DDMCR901024704 PVV4-1X/082RJ15UMCR901023158 PVV21-1X/045-040RA15UUMBR901020330 PVV41-1X/122-027RA15DDMCR901020329 PVV52-1X/193-045RB15LLMCR901018208 PVV54-1X/139-122RJ15UUMCR901014437 PVV4-1X/082LA15UMCR901012238 PVV4-1X/122RA15DVCR901012150 PVV41-1X/082-018RB15UUMCR901009013 PVV21-1X/040-027RA15UUMBR901006812 SY2DFEE-2X/100-PVV/01006744+00940446R901006811 SY2DFEE-2X/071-PVV/01006745+00946959R901004734 PVV21-1X/055-036RA15UUMBR901002834 PVV41-1X/069-018RJ15UUMCR901002823 PVV52-1X/162-068RA15UUMCR901001457 SY2DFEE-2X/071-PVV/00782146+00940260R900978703 PVV4-1X/082RA15DVCR900977523 ABAPG-PVV /017D493AR900977417 PVV5-1X/162RA15RMCR900976172 PVV41-1X/098-018RA15UUMCR900976001 PVV54-1X/162-082RA15DDMCR900973408 PVV1-1X/027RA15UVBR900972481 PVV42-1X/122-055RA15UUMCR900970917 PVV5-1X/162RB15DVCR900970135 PVV1-1X/036LA15UMBR900969172 PVV21-1X/045-018RB15URMBR900969090 PVV21-1X/040-018LA15URVBR900968783 PVV21-1X/045-027RA15UUMB泵由转子1、定子2、叶片3、配油盘和端盖等部件所组成。
定子的内表面是圆柱形孔。
转子和定子之间存在着偏心。
叶片在转子的槽内可灵活滑动，在转子转动时的离心力以及通入叶片根部压力油的作用下，叶片顶部贴紧在定子内表面上，于是两相邻叶片、配油盘、定子和转子间便形成了一个个密封的工作腔。
当转子按逆时针方向旋转时，图右侧的叶片向外伸出，密封工作腔容积逐渐增大，产生真空，于是通过吸油口6和配油盘5上窗口将油吸入。
而在图的左侧。
叶片往里缩进，密封腔的容积逐渐缩小，密封腔中的油液经配油盘另一窗口和压油口1被压出而输出到系统中去。
这种泵在转子转一转过程中，吸油压油各一次，故称单作用泵。
转子受到径向液压不平衡作用力，故又称非平衡式泵，其轴承负载较大。
改变定子和转子间的偏心量，便可改变泵的排量，故这种泵都是变量泵。
R900968642 PVV2-1X/055RA15UVBR900968079 PVV21-1X/045-040RA15UDMBR900968078 PVV1-1X/040LA15UMBR900968076 PVV2-1X/060LA15UMBR900966979 PVV41-1X/069-018RA15DDMCR900965263 PVV42-1X/122-040RA15UUMCR900962361 PVV54-1X/193-122RA15UUMCR900961088 PVV54-1X/193-122RB15DDMCR900957021 PVV21-1X/055-046RA15UUMBR900954326 PVV5-1X/139RA15UMCR900952889 PVV21-1X/055-027RA15UUMBR900950523 PVV21-1X/060-036RA15DDMBR900949682 PVV5-1X/183LA15DMCR900949681 PVV5-1X/193LA15DMCR900949676 PVV51-1X/183-046RA15DDMCR900949510 PVV54-1X/139-082RB15DDMCR900949069 PVV2-1X/060RA15RMBR900948951 PVV21-1X/068-040RA15DDMBR900948873 PVV51-1X/139-046LB15UUMCR900948168 PVV21-1X/045-027RA15DDMBR900947492 PVV2-1X/045RA15UVBR900947385 PVV5-1X/139RA15RVCR900946959 PVV2-1X/040RJ15UMBR900946296 PVV5-1X/139RA15DVCR900945850 PVV4-1X/082RJ15DMCR900945761 PVV4-1X/122RA15LMCR900945544 PVV5-1X/193LB15DMCR900945381 PVV21-1X/040-036RB15DUMBR900945229 PVV54-1X/193-098RB15DDMCR900945128 PVV1-1X/018RJ15UMBR900945121 PVV54-1X/183-098RB15DUMCR900944546 PVV5-1X/193LA15UMCR900944135 PVV41-1X/122-018RA15DDMCR900943716 PVV5-1X/154RA15UMCR900943199 PVV2-1X/055RB15DMBR900943054 PVV4-1X/113RA15UVCR900942737 PVV4-1X/082LA15DMCR900942489 PVV5-1X/193RB15UMCR900942298 PVV2-1X/045RJ15UMBR900942277 PVV52-1X/193-060RA15UUMCR900942115 PVV2-1X/040RA15DMBR900942114 PVV1-1X/018RA15DMBR900942110 PVV5-1X/183RA15UMCR900942109 PVV52-1X/139-068RA15UUMCR900942108 PVV4-1X/098RJ15UMCR900941961 PVV54-1X/139-082RA15UUMCR900941702 PVV1-1X/046RJ15UMBR900941701 PVV51-1X/183-040RA15UUMCR900941700 PVV51-1X/193-046RA15UUMCR900941699 PVV4-1X/098RA15RMCR900941698 PVV2-1X/055RA15RMBR900941697 PVV42-1X/113-068RB15URMCR900941692 PVV4-1X/122RJ15DMCR900941691 PVV2-1X/068RJ15DMBR900941684 PVV1-1X/040RJ15DMBR900941572 PVV2-1X/060RA15UMBR900940633 PVV1-1X/018RA15UMBR900940588 PVV21-1X/040-027RA15DDMBR900940587 PVV21-1X/040-018RA15DDMBR900940446 PVV2-1X/055RJ15UMBR900940260 PVV1-1X/027RJ15UMBR900940215 PVV2-1X/060RB15DMBR900939702 PVV52-1X/193-055RA15UUMCR900939526 PVV1-1X/036RJ15UMBR900939497 PVV54-1X/139-098RB15UUMCR900939347 PVV2-1X/055LA15DMBR900939078 PVV5-1X/193RJ15DMCR900939075 PVV1-1X/027RJ15DMBR900939042 PVV5-1X/193RA15RMCR900939041 PVV5-1X/183RA15RMCR900939040 PVV2-1X/068RA15RMBR900938819 PVV4-1X/113RA15UMCR900937555 PVV41-1X/082-040RA15DDMCR900937335 PVV52-1X/193-068RA15UUMCR900937333 PVV42-1X/082-045RA15UUMCR900937332 PVV21-1X/040-018RA15UUMBR900937330 PVV4-1X/082RA15LMCR900936954 PVV1-1X/027RA15UMBR900936923 PVV5-1X/162RA15UMCR900936760 PVV1-1X/036RA15UMBR900936492 PVV5-1X/162RA15DMCR900936491 PVV4-1X/113RA15DMCR900936297 PVV5-1X/183RA15DMCR900936296 PVV5-1X/154RA15DMCR900936294 PVV4-1X/098RA15DMCR900936293 PVV4-1X/069RA15DMCR900936292 PVV2-1X/045RA15DMBR900936290 PVV2-1X/055RA15DMBR900936197 PVV2-1X/060RA15DMBR900936150 PVV54-1X/183-122RA15UUMCR900935891 PVV1-1X/036RA15DMBR900935879 PVV41-1X/122-027RA15UUMCR900935466 PVV2-1X/068RA15DMBR900935445 PVV4-1X/069RA15UMCR900934793 PVV5-1X/162RB15UMCR900934061 PVV42-1X/098-045RA15DDMCR900934058 PVV21-1X/060-040RA15DDMBR900933057 PVV4-1X/082RA15RMCR900932732 PVV5-1X/139RA15DMCR900931901 PVV21-1X/055-018RA15UUMB它的作用原理和单作用叶片泵相似，不同之处只在于定子表面是由两段长半径圆弧、两段短半径圆弧和四段过渡曲线八个部分组成，且定子和转子是同心的。
在图示转子顺时针方向旋转的情况下，密封工作腔的容积在左上角和右下角处逐渐增大，为吸油区，在左下角和右上角处逐渐减小，为压油区；吸油区和压油区之间有一段封油区把它们隔开。
这种泵的转子每转一转，每个密封工作腔完成吸油和压油动作各两次，所以称为双作用叶片泵。
泵的两个吸油区和两个压油区是径向对称的，作用在转子上的液压力径向平衡，所以又称为平衡式叶片泵。
双作用叶片泵的瞬时流量是脉动的，当叶片数为4的倍数时脉动率小。
为此，双作用叶片泵的叶片数一般都取12或16。
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