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Lev Nelik

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Pumps
Troubleshooting HVAC Pumping Systems, Part 2
Columnist Lev Nelik discusses piping systems with reader Lee Ruiz.
Lev Nelik
Pumps
Learn to Repair Pumps Properly, Part 2
Lev Nelik and reader Lee Ruiz dive further into efficiency in vertical turbine pumps.
An example of pumping unit efficiency trend monitoring.
Pumps
Learn to Repair Pumps Properly
Pumping Prescriptions
Lev Nelik
Pumps
Pump Hydraulics Fundamentals: A Student’s View, Part 2
What would happen if the pump was selected not based on an incorrect system where these components were not accounted for?
Lev Nelik
Pumps
Pump Hydraulics Fundamentals: A Student’s View
Columnist Lev Nelik discusses the basics of pump hydraulics with a reader.

Sequence of what happens as a result of low flow
Pumps
Suction Parameters Relating to NPSH Issues
Columnist Lev Nelik responds to a reader question about suction specific speed.
Lev Nelik
Pumps
How Much You Pay When a Pump Operates at Off-Peak Conditions
Pumping Prescriptions
Diagram
Pumps
Determining Static Component of System Curves
Lev Nelik responds to readers' questions related to system curves and boiler feed systems.
Pumps
Proper Gauge Positioning
Lev Nelik responds to readers' questions about calculating and estimating pipe velocity
Gauge Correction & Velocity Head Correction Can Matter
Pumps
Gauge Correction & Velocity Head Correction Can Matter
Lev Nelik responds to readers' questions about calculating and estimating pipe velocity
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Learn the seven ways clamp-on flow meters can help you save.

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Improving Process Efficiency With Clamp-On Flow Meters
Learn the seven ways clamp-on flow meters can help you save.

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A Complete Guide to Pressure Measurement Basics
Where and when to use the right pressure technology.

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Your Pump Deserves Better: A Dive Into Motor Control Technologies
Join us for a session exploring the latest motor control technology, and learn how your organization can achieve significant operational and financial benefits.

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Applications Sourcebook: Real-World Hygienic Pump Installation Examples
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