1. Predictable Pump Motor Maintenance at a Cranberry Bog
(Matching tags: September 2010 Issue,Motors,Pumps,Pump Houses,Predictive Maintenance)

Due to the delicate nature of the cranberry, pump failure is not an option When a pump or motor fails at Sea Wind Cranberry Farm in Langlois, Ore., farm manager Knute Andersson’s business is at stake. ...

2. Slow Down and Think Causally to Solve Pump Problems
(Matching tags: Maintenance Minders,August 2010 Issue,Centrifugal Pumps)

Avoid repeat failures and lost production or profits by using a structured approach to problem solving.

3. Hydraulic Institute Pump FAQs April 2010
(Matching tags: April 2010 Issue,Centrifugal Pumps,Hydraulic Institute Pump FAQs,pump maintenance,Pump Troubleshooting)

Q. What does the expression discharge recirculation signify in rotodynamic (centrifugal) pumps? When does it occur, and is it harmful to the pump?    ...

4. Pump Performance Bands (Part One)
(Matching tags: Rotary Pumps,Pump Troubleshooting,pump maintenance,April 2010 Issue,Efficiency Matters)

Technical professionals understand a variety of fluid-transfer performance concepts. The principles have much to do with evaluating if an individual pump will succeed in accomplishing its fluid-transfer ...

5. Vertical Pump Repair and Upgrade Considerations
(Matching tags: April 2010 Issue,pump maintenance,Pump Troubleshooting,Vertical Turbine Pumps)

Typical vertical pump types include turbine, mixed and axial flow. The Hydraulic Institute classifies these pumps as type VS (Vertically Suspended). Unlike horizontal pumps, these pumps typically have ...

6. Handling Downtime
(Matching tags: Lev Nelik,April 2010 Issue,pump maintenance,Instrumentation/Controls,Pump Troubleshooting,Pump Industry)

While scheduled downtime is different from unscheduled, both can take away from a company. An effective reliability program, however, will minimize unplanned downtime and maximize scheduled downtime.

7. Peristaltic Pumps Waste Less Water in Wastewater Treatment
(Matching tags: peristaltic pumps,March 2010 Issue,Maintenance Minders)

The ever-expanding Seneca wastewater treatment plant in Eagan, MN required a pump capable of accurately dosing 15 percent sodium hypochlorite ("hypo").  ...

8. Cost Reductions Through Life Cycle Improvements
(Matching tags: February 2010 Issue,pump maintenance,Centrifugal Pumps)

More than 15 years ago, a 160 in plate mill was experiencing significant maintenance problems with its descaling pumps; the typical mean time between repairs was only 6 to 8 months. Some rebuilt pumps ...

9. Rerate of Centrifugal Multistage Pipeline Pumps
(Matching tags: December 2009 Issue,Maintenance Minders,Pumps,Centrifugal Pumps)

In 1992, a pipeline was built in Texas and Oklahoma parallel to an existing line to increase capacity. The design flow rate was 3,600 gpm (818 m3/h). Four stage 8 X 10 X 13 pumps were purchased new when ...

10. Pump Rebuilding and Balancing (Part One)
(Matching tags: Centrifugal Pumps,pump maintenance,November 2009 Issue)

Pumps and pump systems are unique, engineered products that require specialized knowledge in all phases of repair, rebuilding and balancing. When pumps fail, costs add up quickly for repairs, replacement ...

11. Polymeric Solution for Pumps Suffering from Cavitation
(Matching tags: October 2009 Issue,pump maintenance,Centrifugal Pumps)

... handling equipment, especially in pumps. Technological advances in industrial protective coatings and repair composite materials have made it possible to repair pumps suffering from cavitation rather than ...

12. How to Drive Reliability in a Mature Equipment Environment
(Matching tags: Maintenance Minders,Pumps,February 2007 Issue)

Pumps and Systems, February 2007 A large refinery or power plant may operate up to a dozen units of the same design, all installed 20 or 30 years earlier. In this mature equipment environment, some level ...

13. How to Save Money on Existing Pumps
(Matching tags: Pumps,Maintenance,Pump Troubleshooting,February 2009 Issue)

Pumps & Systems, February 2009 The operating costs of pumps, in relation to the service life, are considerably higher than the initial investment. Realizing savings on existing pumps means ...

14. Increasing Pump Reliability and Life (Part Two)
(Matching tags: January 2009 Issue,Maintenance,Maintenance Minders,Pumps,Centrifugal Pumps)

Pumps & Systems, January 2009 Editor's Note: This is part two of a two part series about the 'commandments' of increasing pump reliability and life. To read the first part, click here.  ...

15. Increasing Pump Reliability and Life (Part One)
(Matching tags: December 2008 Issue,Pump Troubleshooting,Pump Industry,Maintenance,Maintenance Minders,Pumps)

Pumps & Systems, December 2008 Editor's Note: This is part one of a two part series about the 'commandments' of increasing pump reliability and life. To read the second part, click here.  ...

16. How Hot Should Anti-Friction Bearings Be Allowed to Run?
(Matching tags: Pumps,Pumping Prescriptions,Bearings,Maintenance,December 2008 Issue)

Pumps & Systems, December 2008 Given time, every component of the rotating machinery will eventually fail, even when operating in a perfect environment. For instance, rotation of the shaft ...

17. Service Center Engineering for a Power Plant
(Matching tags: December 2008 Issue,Power Generation,Pump Industry,Maintenance,Energy Efficiency,Vertical Turbine Pumps,Pumps)

Pumps & Systems, December 2008 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 ...

18. Check the Logic: PLC vs. Pump Controller
(Matching tags: September 2007 Issue,Controls,Pumps,Maintenance,Pump Industry,Instrumentation)

Pumps & Systems, September 2007 Why question the PLC? For many, questioning the application of a PLC to the pump station panel is surprising. After all, the pump station panel was once controlled ...

19. FSA Sealing Sense September 2007
(Matching tags: Pumps,Mechanical Seals,Fluid Sealing Association's Sealing Sense,Seals,Maintenance,Sealing System,Wastewater Pump,Water and Wastewater)

Pumps & Systems, September 2007 What are the considerations in applying mechanical seals to abrasive slurry applications?  ...

20. Rebuilding a Practically Destroyed Impeller
(Matching tags: September 2007 Issue,Centrifugal Pumps,Pumps,Maintenance Minders,Maintenance,Pump Troubleshooting)

Pumps & Systems, September 2007 We were told that the 48-in diameter sewage pump impeller from one of New York City's main sewage pumps had been found "practically destroyed." When ...