Termomeccanica Pompe AP pumps are single stage, single suction radial impeller, end/top centrifigual pumps for heavy duty services, especially in oil & gas processing. The back pull-out arrangement allows for easy maintenance while the center-line assembly, large diameter shaft, and very stiff bearing casing assure proper alignment of the rotating parts during the most critical conditions. The seal chamber is according to API 682 for any mechanical seal configuration and API 610 for the seal flushing plan.