Includes | factory-assembled systems purchased as a package. Field-assembled engineered systems not purchased as a package are indicated in detail under 43 20 00 (pumps) and 40 00 00 (exposed process piping). Packaged pumping systems include a variety of skid-mounted pumps, suction and discharge piping and valves, and controls including control panels, variable speed drives, two-speed drives, constant speed units, and combinations thereof. Typical water utility service application is pressure-boosting. Pumps may be oriented vertically or horizontally on the skid. Pump types may include: between-bearings centrifugal pumps (split-case axial pumps), overhung (end suction) centrifugal pumps, and vertically-suspended centrifugal pumps (vertical turbine pumps). |