CLYDEUNION PUMPS access_time13 July 2019 mode_comment0 CUP-BB3 CUP-BB3 - Multi-stage, API, axially split. The ClydeUnion Pumps CUP-BB3 pump is a heavy duty axial split case horizontal, pump with opposing impellers with either single or double suction first stage impeller pumps. read more Read More admin