... four series : 20VQ/25VQ/35VQ/45VQModel Code (F3-) XC-25V(Q)-5-RRefit cartridge kits mark Series Geometric displacement Rotation F3 ... cover end pump cartridge kits 20V(Q)2,3,4,5,6,7,8,9,10,11,12,14Viewed form shaft ... endR-Right hand for clockwiseL-Left hand for counter clockwise25V(Q)10, ... Series A BCD EF G HKGasket O-Ring 20V(Q)82.581.570.14761.54.876.2773.682.76× ...