RPVV2-1X/055RA15UVB
RPVV21-1XRA15UDMB
RPVV1-1X/040LA15UMB
RPVV2-1X/060LA15UMB
RPVV41-1XRA15DDMC
RPVV42-1XRA15UUMC
RPVV54-1XRA15UUMC
RPVV54-1XRB15DDMC
RPVV21-1XRA15UUMB
RPVV5-1X/139RA15UMC
RPVV21-1XRA15UUMB
RPVV21-1XRA15DDMB
RPVV5-1X/183LA15DMC
RPVV5-1X/193LA15DMC
RPVV51-1XRA15DDMC
RPVV54-1XRB15DDMC
RPVV2-1X/060RA15RMB
RPVV21-1XRA15DDMB
RPVV51-1XLB15UUMC
RPVV21-1XRA15DDMB
RPVV2-1X/045RA15UVB
RPVV5-1X/139RA15RVC
RPVV2-1X/040RJ15UMB
RPVV5-1X/139RA15DVC
RPVV4-1X/082RJ15DMC
RPVV4-1X/122RA15LMC
RPVV5-1X/193LB15DMC
RPVV21-1XRB15DUMB
RPVV54-1XRB15DDMC
RPVV1-1X/018RJ15UMB
RPVV54-1XRB15DUMC
RPVV5-1X/193LA15UMC
RPVV41-1XRA15DDMC
RPVV5-1X/154RA15UMC
RPVV2-1X/055RB15DMB
RPVV4-1X/113RA15UVC
RPVV4-1X/082LA15DMC
RPVV5-1X/193RB15UMC
RPVV2-1X/045RJ15UMB
RPVV52-1XRA15UUMC
RPVV2-1X/040RA15DMB
RPVV1-1X/018RA15DMB
RPVV5-1X/183RA15UMC
RPVV52-1XRA15UUMC
RPVV4-1X/098RJ15UMC
RPVV54-1XRA15UUMC
RPVV1-1X/046RJ15UMB
RPVV51-1XRA15UUMC
RPVV51-1XRA15UUMC
RPVV4-1X/098RA15RMC
RPVV2-1X/055RA15RMB
RPVV42-1XRB15URMC
RPVV4-1X/122RJ15DMC
RPVV2-1X/068RJ15DMB
RPVV1-1X/040RJ15DMB
RPVV2-1X/060RA15UMB
RPVV1-1X/018RA15UMB
RPVV21-1XRA15DDMB
RPVV21-1XRA15DDMB
RPVV2-1X/055RJ15UMB
RPVV1-1X/027RJ15UMB
RPVV2-1X/060RB15DMB
RPVV52-1XRA15UUMC
RPVV1-1X/036RJ15UMB
RPVV54-1XRB15UUMC
RPVV2-1X/055LA15DMB
RPVV5-1X/193RJ15DMC
RPVV1-1X/027RJ15DMB
RPVV5-1X/193RA15RMC
RPVV5-1X/183RA15RMC
RPVV2-1X/068RA15RMB
RPVV4-1X/113RA15UMC
RPVV41-1XRA15DDMC
RPVV52-1XRA15UUMC
RPVV42-1XRA15UUMC
RPVV21-1XRA15UUMB
RPVV4-1X/082RA15LMC
RPVV1-1X/027RA15UMB
RPVV5-1X/162RA15UMC
RPVV1-1X/036RA15UMB
RPVV5-1X/162RA15DMC
RPVV4-1X/113RA15DMC
RPVV5-1X/183RA15DMC
RPVV5-1X/154RA15DMC
RPVV4-1X/098RA15DMC
RPVV4-1X/069RA15DMC
RPVV2-1X/045RA15DMB
RPVV2-1X/055RA15DMB
RPVV2-1X/060RA15DMB
RPVV54-1XRA15UUMC
RPVV1-1X/036RA15DMB
RPVV41-1XRA15UUMC
RPVV2-1X/068RA15DMB
RPVV4-1X/069RA15UMC
RPVV5-1X/162RB15UMC
RPVV42-1XRA15DDMC
RPVV21-1XRA15DDMB
RPVV4-1X/082RA15RMC
RPVV5-1X/139RA15DMC
RPVV21-1XRA15UUMB
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。
