Pump-displacement volume is typically determined by gear size. The oil pumps below (left to right) represent two different displacements, as noted by the case size. For high-performance work, a steel ...

Basic – Kenneth E. Isman, P.E. There are many different types of fire pumps used in fire protection systems including positive displacement pumps and centrifugal pumps. Within the family of ...

A gear pump operates using two driven, intermeshed gears within a closed chamber, displacing a fixed volume as they rotate. Material is drawn into the revolving gears at the inlet and expelled as the ...