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Centrifugal Pumps & Positive Displacement Pumps

5 days MTE/PC-E
  • Engineers and technical staff involved in centrifugal and positive displacement pump operation, maintenance or engineering.
  • To provide better understanding of centrifugal and positive displacement pumps technology and operating principle.
Learning Objectives
  • To describe the behavior and the operation of pumps.
  • To analyze the technical solutions applied in their units.
  • To establish a diagnosis of incidents and participate in troubleshooting meetings.
  • To identify essential elements in pump selection.
Ways and means
  • Actual examples from the refining, petrochemical and chemical industry.
  • Active participation is encouraged through case studies.

Hydrodynamics applied to a pumping system 2 days
  • Pump performance
  • Flow in a pump, velocities triangle, internal flow and energy losses.
  • Theoretical and practical head: characteristic curve.
  • Other characteristics: efficiency, power, NPSH required.
  • Changes in characteristics vs. rotation, viscosity, impeller shape, cavitation.
  • Pipe system
  • Liquid flows in pipes: friction losses.
  • System curve, resistance of flow and throttling control.
  • Operating point: normal and maximum capacities, change in fluid characteristics and incidence on operating conditions.
  • Case study: study of a reflux line and its pump.
Centrifugal pump technology and selection 2 days
  • Centrifugal pump
  • Construction and technology: API and ISO specifications.
  • Internal forces and mechanical criteria: balancing, wear ring clearances.
  • Specific numbers, impeller and pump shape, suction conditions.
  • Mechanical seal
  • Selection according to API 682 standard, materials, type.
  • Friction face heating.
  • Safety and environment: typical arrangements (single, dual, dry seal).
  • Specific solutions: canned motor pump, magnetic drive pump.
  • Installation
  • Suction and discharge pipe design.
  • NPSH available; base plate and grouting.
  • Ancillary lines and equipment.
  • Coupling and driven machines.
  • Safety and environment.
Positive displacement pump technology and performance 0.5 day
  • Technology
  • Different types of pumps: rotary and reciprocating pumps.
  • Operating principle and utilization of the different types of pumps.
  • Performance
  • 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.
Pump operation 0.5 day
  • Preparation: filling, draining; spare pumps: heating, ancillaries.
  • Start-up / Shutdown: priming, remote/local controls, hammer shock, risks for process and pump.
  • Survey: parameters (vibration levels, noises, bearing housing temperature, motor intensity, pressures); process incidences (discharge pressure, viscosity, specific gravity, capacity); hazards.
  • Parallel and series operations: risks, dysfunction.
  • Reliability: types and source of damage (wear, ruptures, cavitation, leakages); improvement methods.
  • Safety conditions.
  • Centrifugal pump operations and case study on simulator.
2016 course calendar
Language Dates Location Tuition Register
Nov 21 - 25 Martigues €2,570 Online By email