Lev Nelik

Keep pipes and pumps aligned to keep your pumps working longer.
While scheduled downtime is different from unscheduled, both can take away from a company.
For a quick estimate of pump head in the field, the discharge pressure gauge is read.
Dr. Lev Nelik answers pump user questions.
How viscosity affects centrifugal pumps
If most of the attachment boundary were along the short edge of the plate, the natural frequency of resonance would be somewhat less than if the plate were attached mostly along the wide edge.
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.
How repair standards should be evolving
Strengthening of bent shafts is a tricky and controversial process.
Efficiency degradation in pumps can be related to three areas.
Temperature changes can push pipe force beyond safe limits
When the motor amps are kicking a unit offline, the first question is whether the motor or the pump is the problem.
From presses to collectors, there are several methods available for removing debris from wastewater.

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