葉片泵轉子旋轉時，葉片在離心力和壓力油的作用下，尖部緊貼在定子內表面上。這樣兩個葉片與轉子和定子內表面所構成的工作容積，先由小到大吸油后再由大到小排油，葉片旋轉一周時，完成一次吸油與排油。
PV7-17/10-14RE01MCO-16
PV7-11/06-10RA01MA0-10
PV7-17/10-14RE01C0-16
PV7-17/10-20REO1MC0-08
PV7-17/10-20REO1MC0-08
PV7-20/20-25RA01MA0-05
PV7-1X/06-14RA01MA0-07
PV7-2X/20-20RA01MA0-05
PV7-2X/20-20RA01MA0-10
PV7-2X/20-25RA01MA0-05
PV7-2X/20-25RA01MA0-10
PV7-1X/10-14RE01MC0-16
PV7-1X/10-14RE01MD0-16
PV7-1X/10-20RE01MC0-10
PV7-1X/10-20RE01MD0-10
PV7-1X/16-20RE01MC0-16
PV7-1X/16-20RE01MD0-16