Vertical Turbine Pumps

Vertical mixed-flow, line-shaft pumps power a $20 million flood control station.

The computational fluid dynamics process advances highly efficient pump designs for difficult applications.

Q. What information is available regarding bearing minimum loads for pumps? A. All rolling element bearings require a minimum applied load. This ensures that normal elasto-hydrodynamic operation...

Acquiring the massive amounts of water required for arid, Latin American mining operations is a constant challenge.

The standards for repair will begin with a standard for vertical turbine pumps.The pump industry is undergoing renewed interest in the technical aspects and quality of repairs. Pump users’...

Author's Note:This article discusses factory performance testing of vertical pumps. For guidelines on specific test procedures, calculations and specific requirements, refer to ANSI/HI - 2.6 Standard....

 In previous Pumping Prescriptions columns, we have looked at vertical pumps from various perspectives, including alignment, proper centering of the rotor shafting ("The Downside of Perfection in...

Mechanical resonance is the tendency of a mechanical system to absorb more energy when the frequency of its oscillations (external excitation source) matches the system's natural frequency of...

Potential vertical turbine pump vibration problems were avoided through design-stage finite element analysis.The Lower Cape Fear Water and Sewer Authority had begun to expand its main raw-water pump...

Major infrastructure upgrades handle the pressure from a Mexican drainage system.Two big wastewater pump stations with high performance submersible motor pumps relieve flooding during the rainy season...

Editor's Note: To read about the winner or the other finalists of the 2009 success story of the year award click here Designing a New Pump for a Water Resources Pumping PlantThe State of California...

In a perfect world, things are always done correctly, quickly and inexpensively. In the real world, however, a compromise between cost and time is unavoidable. A new vertical turbine cooling water...

Many pumps in power plants and other heavy industries are designed and custom engineered for specific applications. The repair and servicing of these pumps should also include careful engineering...

Q.When measuring vibration on vertical pumps, does the allowable vibration depend on the height of the motor or on the height above the baseplate where the readings are taken?A.The allowable vibration...