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Columns

jim elsey
Pumps
Conducting Due Diligence For the System Resistance Curve
Procedure for inspecting systems to troubleshoot problems.
Lev Nelik
Vertical Pumps Repair Specification, Rev. 1B
For larger pumps, however, a more thorough examination, documentation and restoration of internal concentricities must be done.
elsey
Pumps
Why the Friction Head Curve Is a More Difficult System Component
Part 2 of Jim Elsey's column: The System Is the Boss.
Jim Elsey
Pumps
The System Is the Boss (Part 1 of 2 … The Easy Part)
Jim Elsey discusses two main factors that make up a system curve for a single centrifugal pump in an open system with a flooded suction.
Elsey
Pumps
Slow Down, You’re Moving Too Fast (Maybe), Part 2 of 2
It is important to know when a slow-speed pump may be a better option.
Outer unit before (left) and after (right), to improve hot air exit to outside
Pumps
Let’s Add Some Thermodynamics to Hydraulics! Part 2
Jim Elsey
Pumps
Slow Down, You’re Moving Too Fast (Maybe), Part 1 of 2
Jim Elsey
Pumps
It’s Priming Time Again, Part 2
[With sincere apologies to Buck Owens, Dean Martin and Ray Charles.]
priming
Pumps
It’s Priming Time Again, Part 1
[With sincere apologies to Buck Owens, Dean Martin and Ray Charles.]
Cross-section view of modern steam turbine gland
Pumps
Discovering Emission Facts to Drive Change
Guest columnist Heinz Bloch discusses how the industry can protect the environment
temperatures of all rooms
Pumps
Let’s Add Some Thermodynamics to Hydraulics, Part 1
Heinz
Pumps
Remembering Pump Industry Legend Heinz P. Bloch
Bloch died at the age of 88 after complications due to cancer.
Lev Nelik
Pumps
The Current State of the U.S. Pump Industry
Columnist Lev Nelik shares his prognosis for the future of the industry.
Heinz p. Bloch
Pumps
Opinion: When Old Standards No Longer Represent Best Practices
In Bloch's latest column, he discusses how to navigate outdated standards.
Jim Elsey
Pumps
Pump Checklist for Hot Liquid Applications
In his latest column, Jim Elsey discusses his best recommendations.
Young's modulus
What Is the Root Cause of Shaft Failure?
A common misconception is that it is due solely to material strength.
Starship Enterprise
Pumps
The Importance of Critical Speed
In his latest column, Jim Elsey discusses the role critical speed plays in the pumping system.
Jim Elsey
The Effect of Cutwater on Pump Performance, Part 2
Avoid this unique and specific type of cavitation caused by the impeller passing too close to the cutwater(s) on a volute-style pump.
Lev Nelik
Pumps
Reliability Considerations When Comparing Pump Types, Part 2
Columnist Lev Nelik discusses pump selection in part two of this two-part column.
Jim Elsey
The Effect of Cutwater on Pump Performance, Part 1
The placement of the cutwater, its length, thickness, leading edge profile and flow angle all have roles in the casing efficiency.
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Enhanced Coriolis Control (ECC)
Learn how Enhanced Coriolis Control (ECC) helps you avoid common measuring errors
Valves
Properties & Uses of Carbon Graphite
This material is a key component in oil and gas applications.
Seals
OODA Loop & Flange Sealing Reliability
This method can help keep the long-term success of a plant in mind.
Unlocking the Secrets of Knowledge Transfer
Supercharge your performance by preserving your team’s most valuable skills.

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