Page 8 - Centrifugal Pumps Design and Application

ern Pumps, Mine Dewatering Pumps. Wet Pit Pumps. Water Supply Pumps. Con-
denser Cooling Water Pumps. Cooling Tower Pumps. Flood Control Pumps. Transfer
Pumps. Barrel-Mounted or Can-Mounted Pumps. Condensate and Heater Drain
Pumps. Process Pumps. Small Boiler Feed Pumps. Cryogenic Pumps. Loading
Pumps. Pipeline Booster Pumps. Design Features. The Bowl Assembly. The Column
Assembly. Outer Column. Column Shaft. Shaft Enclosing Tube. The Head Assembly,
Pump Vibration, References.

10 Pipeline, Waterflood, anil CQ 2 Pumps ,,.....,., 139
Pipeline Pumps. Condition Changes. Destaging. Bi-rotors. Slurry Pipelines. Example
of Pipeline Pump Selection. Series vs. Parallel. Waterflood Pumps. C0 2 Pumps, Me-
chanical Seals. Horsepower Considerations. Notation. References.

11 High Speed Pumps —,,,..................,.,,, 173
by Edward Gravelle
History and Description of an Unconventional Pump Type. Terminology. Partial Emis-
sion Formulae. Specific Speed. Suction Specific Speed. Inducers. Partial Emission
Design Evolution. Design Configuration Options. Other High-Speed Considerations.
References,

12 Double-Case Pumps 206
by Erik B. Fiske
Configurations. Pump Casing. Volute Casing with Opposed Impellers. Diffuser Cas
ings with Balance Drum. Diffuser Casings with Balance Disk. Applications. Boiler
Feed Pumps. Charge Pumps. Waterflood Pumps. Pipeline Pumps. Design Features.
Removable Inner Case Subassembly. Auxiliary Take-off Nozzles. Double-Suction First-
Stage Impellers. Mounting of the Impellers. Impeller Wear Rings. Shaft Seals. Radial
Bearings. Thrust Bearings, Baseplates and Foundations. Mounting of the Barrel. De-
sign Features for Pumping Hot Oil with Abrasives. Double-Case Pump Rotordynamic
Analysis. The Effect of Stage Arrangement on Rotordynamics. The Effect of Impeller
Growth from Centrifugal Forces. Comparison of Diffuser Casings with Volute Casings.
Diffuser Casings. Volute Casings. References.

13 Slurry Pumps 226
by George Wilson
Slurry Abrasivity. Pump Materials to Resist Abrasive Wear. Slurry Pump Types, Spe-
cific Speed and Wear. Areas of Wear. Casing. Impeller. Wear Plates. Bearing Frames,
Sealing. Sump Design. Pump Drive. The Effect of Slurries on Pump Performance,

vii