... No.Geometric Displacement code Of single pump or shaft End pump of double pumpGeometric displacement code of ... -splined outlet position(viewed form cover end of pump)A-Opposite inlet portB-90°CCW from inletC- ... 19,214535V42,45,50,57,60,66,7521,25,30,35,38Model code: Single pump--vane motor 20V, ... 25V,35V, 45V. Double pump--- vane motor 2520V, 3520V, ...