Operations, Control, Maintenance and Troubleshooting of Pumps and Valves
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Operations, Control, Maintenance and Troubleshooting of Pumps and Valves Course
Introduction:
During this course, participants will be introduced to various types of pumps and the corresponding terminology. Discussions will revolve around centrifugal and positive-displacement pumps, as well as packing, mechanical seals, sealing systems, bearings, and couplings.
The course will also address the application of different pump types, considering their appropriateness for various operational requirements. In-depth coverage will be provided on pump operation, troubleshooting, and maintenance, ensuring a comprehensive understanding of these topics.
Course Objectives:
At the end of this training course, participants will learn to:
- Identify and understand the different types of pumps.
- Operate pumps as close as possible to the design efficiency.
- Identify and monitor pump efficiency, availability, and reliability.
- Develop knowledge about selection, operation and maintenance strategies.
- Identify and troubleshoot pump & associated machinery problems.
Who Should Attend?
This training course is suitable for a wide range of professionals, but will greatly benefit:
- Technical and Maintenance staff
- Operators
- Supervisors and Team Leaders
- Professionals in Maintenance, Engineering and Production
Course Outlines:
Introduction
- Pump Types and Terminology
- Net Positive Suction Head (NPSH)
- Pump Performance (Centrifugal and Positive Displacement)
- Cavitation
- Hydraulic Pulsations and Pipe Vibration
- Application Criteria and Specific Parameters
- Pumps Applications and Selection Criteria
Positive Displacement Pumps
- Reciprocating Pumps
- Reciprocating Pump Valves
- Rotary Pumps – scroll and gear types
- Special Application Pumps – metering pumps, diaphragm pumps.
- Failure Mechanisms – identification and monitoring
Centrifugal Pumps
- Centrifugal Pump Theory
- Velocity Triangles and Performance Derivation from First Principles
- Pump performance curves: head-capacity, power, efficiency
- System curve: static versus friction components
- Affinity laws
- Operating point control: valve throttling versus speed controller
- Parallel operation
- Pump Type choices -Specific Speed (Ns) used as a selection criterion
- Flow-Pressure envelope
- Matching Pumps with Drivers
- Practical Pump Aspects
- Sealing methods: packings, mechanical seals, and seal-less designs
- Reassembly of a single stage end suction centrifugal pump
- Pump Wear Rings and Balance Lines
- Single-Stage and Multi-Stage Pumps
- Down Hole Pumps
- Failure Mechanisms – identification and monitoring
- Field Troubleshooting, Specialty Designs, and Performance Modification Techniques. Impeller redesign; volute modifications; sound tests to determine recirculation on-set.
Seals and Bearings
- Seals and Bearings
- Conventional Packing Glands
- Mechanical Seals
- Seal Failure Mechanisms
- Maintenance and Repair of Mechanical Seals
- Bearings – failure modes and how to extend life
- Reliability
- Couplings
- Alignment
- Chemistry and materials of construction
- Planned Maintenance - Predictive and Preventive
- Reliability Programmes
- Weibull Analysis
Pumps Troubleshooting
- Fault Matrix
- Fault Tree Analysis
- Root Cause Failure Analysis
- Fishbone Diagram
- Cause Mapping
- Field Troubleshooting