R PVV4-1X/082RJ15DMC
R PVV4-1X/122RA15LMC
R PVV5-1X/193LB15DMC
R PVV21-1XRB15DUMB
R PVV54-1XRB15DDMC
R PVV1-1X/018RJ15UMB
R PVV54-1XRB15DUMC
R PVV5-1X/193LA15UMC
R PVV41-1XRA15DDMC
R PVV5-1X/154RA15UMC
R PVV2-1X/055RB15DMB
R PVV4-1X/113RA15UVC
R PVV4-1X/082LA15DMC
R PVV5-1X/193RB15UMC
R PVV2-1X/045RJ15UMB
R PVV52-1XRA15UUMC
R PVV2-1X/040RA15DMB
R PVV1-1X/018RA15DMB
R PVV5-1X/183RA15UMC
R PVV52-1XRA15UUMC
R PVV4-1X/098RJ15UMC
R PVV54-1XRA15UUMC
R PVV1-1X/046RJ15UMB
R PVV51-1XRA15UUMC
R PVV51-1XRA15UUMC
R PVV4-1X/098RA15RMC
R PVV2-1X/055RA15RMB
R PVV42-1XRB15URMC
R PVV4-1X/122RJ15DMC
R PVV2-1X/068RJ15DMB
R PVV1-1X/040RJ15DMB
R PVV2-1X/060RA15UMB
R PVV1-1X/018RA15UMB
R PVV21-1XRA15DDMB
R PVV21-1XRA15DDMB
R PVV2-1X/055RJ15UMB
R PVV1-1X/027RJ15UMB
R PVV2-1X/060RB15DMB
R PVV52-1XRA15UUMC
R PVV1-1X/036RJ15UMB
R PVV54-1XRB15UUMC
R PVV2-1X/055LA15DMB
R PVV5-1X/193RJ15DMC
R PVV1-1X/027RJ15DMB
R PVV5-1X/193RA15RMC
R PVV5-1X/183RA15RMC
R PVV2-1X/068RA15RMB
R PVV4-1X/113RA15UMC
R PVV41-1XRA15DDMC
R PVV52-1XRA15UUMC
R PVV42-1XRA15UUMC
R PVV21-1XRA15UUMB
R PVV4-1X/082RA15LMC
R PVV1-1X/027RA15UMB
R PVV5-1X/162RA15UMC
R PVV1-1X/036RA15UMB
R PVV5-1X/162RA15DMC
R PVV4-1X/113RA15DMC
R PVV5-1X/183RA15DMC
R PVV5-1X/154RA15DMC
R PVV4-1X/098RA15DMC
R PVV4-1X/069RA15DMC
R PVV2-1X/045RA15DMB
R PVV2-1X/055RA15DMB
R PVV2-1X/060RA15DMB
R PVV54-1XRA15UUMC
R PVV1-1X/036RA15DMB
R PVV41-1XRA15UUMC
R PVV2-1X/068RA15DMB
R PVV4-1X/069RA15UMC
R PVV5-1X/162RB15UMC
R PVV42-1XRA15DDMC
R PVV21-1XRA15DDMB
R PVV4-1X/082RA15RMC
R PVV5-1X/139RA15DMC
R PVV21-1XRA15UUMB
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。