Join Hydro at the AWWA ACE24 Conference in Anaheim, CA. Visit us at Booth 1440 and learn about how Hydro has helped transform the water market by increasing pump reliability, optimizing energy, and applying advanced technology to troubleshoot mechanical and hydraulic performance problems.
Often, a simple shortcut or misstep in a pump maintenance procedure or rebuild can lead to unforeseen and excessive life cycle costs, or ultimately catastrophic failure.
1. A tension test can verify 100% perpendicularity and parallelism of components.
When an end-user could not rotate its critical boiler feed pump shaft to align the pump to its driver, a combined cycle plant contacted an aftermarket pump service provider to examine a problematic third-party pump rebuild, as well as remove, inspect, and repair the failing equipment.
Prior to disassembling the recently rebuilt pump, the aftermarket pump service provider performed a visual inspection to see if there was any evidence of incorrect assembly procedures. The most apparent defect was observed on the outboard side of the pump. The shaft sleeve should have .250” minimum clearance between its face and the labyrinth seal, but the sleeve had been rammed into the lab seal making the pump shaft impossible to turn.
Before shipping any rebuilt pump, it’s essential to perform a quality assurance check to confirm the shaft turns freely. However, in this case, a few critical steps may have been overlooked during the pump’s previous maintenance work.
Read the full article in the May/June 2022 World Pumps Magazine.
Common pump applications and operating characteristics
Basic hydraulic characteristics
Vertical turbine pump assembly and maintenance tips
What to look for in a failure and how to apply corrective actions
Five (5) CWEA Contact Hours
Critical knowledge on how to improve pump reliability and life
- Maintenance Supervisors
- Maintenance Foreman
- Anyone involved in the operation or maintenance of pumping equipment and systems.
Join Evans Hydro for an in-person seminar introducing Basic Hydraulics. The seminar will be held at the Evans Hydro service center from 9am to 3pm PDT.
What You Will Learn:
- Understanding Pump & System Curves
- System Losses
What You Will Earn:
- Five (5) CWEA Contact Hours
- Critical knowledge on how to improve pump reliability
A major county in California found itself in a crisis when its irrigation pumps could not produce the required performance, cutting off critical water supply to the reservoirs and aqueducts. These pumps suffered from high vibration and repeated failures characterized by extreme wear to the propellers, shafts, and bearings.