Pump Technology and Overhauling

ICTD International Centre for Training and Development

How long?

  • 5 days
  • in person

ICTD International Centre for Training and Development


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Who should attend

This course is intended for supervisors, team leaders and managers in mechanical, mechanical technicians and engineering.

About the course

Pumping systems account for nearly 20% of the world’s electrical energy demand and range from 25-50% of the energy usage in certain industrial plant operations

There are lots of pump types available, but which one is right for you? Understanding which pump type is right for your application is critical to reduce costs and increase the life of your pump and system

Centrifugal pump single or multistage is the Best pump choice for lower viscosity liquids and high flow rates. No pulsations that may be found in some positive displacement pumps.

Multi-stage centrifugal pumps are now primarily used in this severe service. Two typical styles of multi-stage centrifugal pumps—barrel and horizontally split pumps are offered by different manufacturers.

Course Objectives

Upon successful completion of this course, the delegates will be able to:

  • Identify and describe the components of a typical multistage centrifugal pump.
  • Describe the operation of a typical multistage centrifugal pump.
  • Describe sealing techniques that are commonly used to prevent leaks in a multistage centrifugal pump.
  • Describe techniques bearing & loads radial / thrust in a multistage centrifugal pump.
  • Identify problems commonly found in multistage centrifugal pumps.
  • Implement cost analysis for pump life time
  • Distinguish pump performance and hydraulic balancing

Course Outline

Day 1

Pump Construction

  • The Centrifugal Pump
  • Pump Curves
  • Characteristics Of The Centrifugal Pump
  • Most Common End-Suction And
  • In-Line Pump Types
  • Impeller Types (Axial Forces)
  • Casing Types (Radial Forces)
  • Single-Stage Pump
  • Multistage Pumps
  • Long-Coupled And Close-Coupled Pumps

Types of Pump

  • Standard Pumps
  • Split-Case Pump
  • Barrel And Horizontally Split
  • Hermetically Sealed Pumps
  • Sanitary Pumps
  • Wastewater Pumps
  • Immersible Pumps
  • Positive Displacement Pumps

Mechanical Shaft Seals

  • The Mechanical Shaft Seal’s Components And Function
  • Balanced And Unbalanced Shaft Seals
  • Types Of Mechanical Shaft Seals
  • Seal Face Material Combinations
  • Factors Affecting The Seal Performance
  • Troubleshooting

Day 2

Pump Bearing

  • Types And Functions
  • Radial And Thrust Load
  • Troubleshooting

Pump Installation

  • New Installation
  • Existing Installation-Replacement
  • Pipe Flow For Single-Pump Installation
  • Limitation Of Noise And Vibrations
  • Sound Level (L)

Day 3

System Hydraulic

  • System Characteristics
  • Single Resistances
  • Closed And Open Systems
  • Pumps Connected In Series And Parallel
  • Pumps In Parallel
  • Pumps Connected In Series
  • Pump Hydraulic Balancing
  • Balancing Device
  • Back To Back Impeller
  • Performance Adjustment of Pumps
  • Adjusting Pump Performance
  • Throttle Control
  • Bypass Control
  • Modifying Impeller Diameter
  • Speed Control
  • Comparison Of Adjustment Methods
  • Overall Efficiency Of The Pump System
  • Example: Relative Power Consumption When The Flow Is Reduced By 20%
  • Frequency Converter
  • Basic Function And Characteristics
  • Components Of The Frequency Converter
  • Special Conditions Regarding Frequency Converters

Day 4


  • Viscous Liquids
  • Non-Newtonian Liquids
  • The Impact Of Viscous Liquids On The
  • Performance Of A Centrifugal Pump
  • Selecting The Right Pump For A Liquid
  • With Antifreeze
  • Calculation Example
  • Computer-Aided Pump Selection For Dense And
  • Viscous Liquids


  • What Is Corrosion?
  • Types Of Corrosion
  • Metal And Metal Alloys
  • Ceramics
  • Plastics
  • Rubber
  • Coatings

Day 5

Life Cycle Costs Calculation

  • Initial Costs, Purchase Price
  • Installation And Commissioning Costs
  • Energy Costs
  • Operating Costs
  • Environmental Costs
  • Maintenance And Repair Costs
  • Downtime Costs, Loss Of Production
  • Decommissioning And Disposal Costs

Operation and Maintenance

  • Pump Inspection
  • Pump Troubleshooting
  • Pump Repair

Course Methodology

A variety of methodologies will be used during the course that includes:

  • (30%) Based on Case Studies
  • (30%) Techniques
  • (30%) Role Play
  • (10%) Concepts
  • Pre-test and Post-test
  • Variety of Learning Methods
  • Lectures
  • Case Studies and Self Questionaires
  • Group Work
  • Discussion
  • Presentation

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Pump Technology and Overhauling at ICTD International Centre for Training and Development

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