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E-623 - Centrifugal & Positive Displacement Pump Maintenance

  • Engineers and technicians involved in centrifugal and positive displacement pump operation, maintenance or engineering
  • Employees in charge of maintenance running of the pumping systems
  • To provide a better understanding of centrifugal and displacement volumetric pump technology and maintenance principles
Learning Objectives
  • To describe the behavior and the technology of pumps
  • To provide the maintaining solutions applied in their pumping units
  • To establish a diagnosis of the incidents, and participate in the troubleshooting meetings
Ways and means
  • Functional approach for a better understanding
  • Numerous examples and cases studies from the oil & gas production industry and analysis of manufacturer file

Centrifugal and positive displacement pump technology and operation 2 days
  • Centrifugal pumps - Functional approach
  • Study step by step of the main functions:
  • Process: impeller, wear rings, balancing, pump body shape, …
  • Sealing: mechanical sealing, typical arrangements (single, dual, dry seal). Selection according API 382 standard, materials, type
  • Friction face heating
  • Support: axial and radial, thrust and journal bearings
  • Lubrication: oil and grease, …
  • Monitoring: rotor displacement, vibrations, temperature, pressure, …
  • Building step by step a monocellular centrifugal pump
  • Volumetric pumps
  • Different types of pumps: rotary and reciprocating pumps
  • Operating principle and utilization of the different types of pumps
  • Influence of clearance, internal leaks, nature of product on flow rate and pressure
  • Flow rate control
  • Installation guidelines: position of tanks, line diameters, metering drums, pulsation dampeners, pressure valves
  • Particular choices
  • Coupling and driven machines
  • ATEX: material consequences
Pumping system troubleshooting 0.5 day
  • Failure and incidents: studying the most frequent cases (cavitation, priming situation, low flowrate, …)
Pump maintenance (preventive, conditional and corrective) 2 days
  • Preventive maintenance: systematic actions, routine, alignment
  • Conditional maintenance: vibrations measurement, oil of lubrication analysis, thermography, …
  • Corrective maintenance: mounting, dismounting, metrology, repairing technics
Analysis of a manufacturer databook 0.5 day
  • Data sheet
  • Technologic choices
  • PID reading