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HI Pump FAQs

Water Hammer Impact, Effects of Suction Elevation on NPSHA & Wastewater Pump Considerations
Pumps
Water Hammer Impact, Effects of Suction Elevation on NPSHA & Wastewater Pump Considerations
HI Pump FAQs
Pumps
Submersible Vertical Turbine Pump Intake Designs, Common AC Single-Phase Motors
Time Between Repairs for Wastewater Pumps, Picking Parts Based on Temperatures & Factors Causing Excess Vibration
Pumps
Time Between Repairs for Wastewater Pumps, Picking Parts Based on Temperatures & Factors Causing Excess Vibration
Determining NPSH3, Comparing Axial Thrust & Evaluating Boiler Circulating Pumps
Pumps
Determining NPSH3, Comparing Axial Thrust & Evaluating Boiler Circulating Pumps
Sealless Design Advantages & Centrifugal Seals in Rotodynamic Pumps
Pumps
Sealless Design Advantages & Centrifugal Seals in Rotodynamic Pumps

Pumps
Measure Metering Pump Flow Rate & Determine NPSH Margin
Site Condition, Treatment Stage & VFD Considerations for Wastewater Pumps
Pumps
Site Condition, Treatment Stage & VFD Considerations for Wastewater Pumps
Rotary Pumps
Dynamic Analysis in the Petroleum Market & Piping Installation for Rotary Pumps
Pumps
Intake Design, Effects of Liquid Viscosity & Reliability of Pumping Equipment
Pumps
Corrosion Prevention, Rotodynamic Pump Speed & How Harmonics Affect VFDs
Principles of Controlled-Volume Metering Pumps & Advantages of Dual Seals
Pumps
Principles of Controlled-Volume Metering Pumps & Advantages of Dual Seals
HI Pump FAQs is produced by the Hydraulic Institute as a service to pump users, contractors, distributors, reps and OEMs.

The Effects of Viscosity on Sealless Pumps & Bearing Selection in Slurry Applications
Pumps
The Effects of Viscosity on Sealless Pumps & Bearing Selection in Slurry Applications
Recommendations for Rotary Pumps, Diaphragm Pumps and VFDs
Rotary Pumps
Recommendations for Rotary Pumps, Diaphragm Pumps and VFDs
How to Determine Minimum Submergence
Pumps
How to Determine Minimum Submergence
The Effects of Gas & Liquid Mixtures on Rotodynamic Pumps & Water Hammer Basics
Pumps
The Effects of Gas & Liquid Mixtures on Rotodynamic Pumps & Water Hammer Basics
Symptoms of Inefficient Pumping, Acceleration Head’s Effect on Pump Performance & Inlet Piping Requirements
Pumps
Symptoms of Inefficient Pumping, Acceleration Head’s Effect on Pump Performance & Inlet Piping Requirements
Regenerative Turbine Pumps & Hydraulic Resonance Solutions
Pumps
Regenerative Turbine Pumps & Hydraulic Resonance Solutions

Viscosity’s Effects, Reducing Extraneous Noise & Monitoring Consumed Power
Pumps
Viscosity’s Effects, Reducing Extraneous Noise & Monitoring Consumed Power
Identify Accuracy Challenges in String Tests
Pumps
Identify Accuracy Challenges in String Tests
Understand Specific Speed & Disc Diaphragm Pump Coupling
Pumps
Understand Specific Speed & Disc Diaphragm Pump Coupling
Understand Nonclog Pumps & Configure Pressure-Measuring Instruments
Centrifugal Pumps
Understand Nonclog Pumps & Configure Pressure-Measuring Instruments
NPSHR, NPSH3 & Booster Pumps
Pumps
NPSHR, NPSH3 & Booster Pumps

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