... hand for counterclockwiseR-Right hand for clockwise, omit V Series Single Pumps Series Displacement CodeGeometric displacement mL/rV seriesWeight(kg)Max. ... of shaft end pumpDisplacement code of cover end pump2520V10,12,14,17,19,212,3,4,5,6,7,8, ... 9,10,11,12,142525V10,12,14,17,19,2110,12,14,17,19,213520V21,25,30,35,382, ... 11,12,144525V42,45,50,57,60,66,7510,12,14,17,19,214535V42,45,50,57,60,66,7521, ...