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Pumps

Course Syllabus

1. INTRODUCTION
2. CENTRIFUGAL PUMPS
2.1 MAJOR PARTS
2.1.1. SUCTION INLET
2.1.2. IMPELLER & SHAFT
2.1.3. HOUSING
2.1.4. WEARING RINGS
2.1.5. DISCHARGE OUTLET
3. BEARINGS
4. SEALS
4.1. STUFFING BOX / PACKING SEAL
4.2. MECHANICAL SEAL
5. OPEARTION OF CENTRIFUGAL PUMPS
5.1. SINGLE-STAGE CENTRIFUGAL PUMP
5.2. MULTI-STAGE CENTRIGAL PUMP
5.3. ADVANTAGES & DISADVANTAGES OF CENTRIFUGAL PUMPS
6. ROTARY PUMPS
6.1. POSITIVE DISPLACEMENT
6.2. MAJOR PARTS OF ROTARY PUMPS
6.2.1. BASIC ROTARY PUMP CONSTRUCTION
6.3. OPERATION OF ROTARY PUMPS
6.4. .SCREW PUMP
6.5. SLIDING VANE PUMP
6.6. LOBE PUMP
6.7. PRESSURE RELIEF
6.8. ADVANTAGES & DISADVANTAGES OF ROTARY PUMPS
6.9.ENGINEERING DRAWING SYMBOL
7. RECIPROCATING PUMPS
7.1 MAJOR PARTS OF A RECIPROCATING PUMP
7.1.1. SUCTION INLET
7.1.2. CYLINDER
7.1.3. PISTON
7.1.4. DISCHARGE OUTLET VALVE
7.1.5. HOUSING
7.2 OPERATION OF RECIPROCATING PUMPS
7.2.1 SINGLE ACTION PUMP
7.2.2. SUCTION STROKE
7.2.3. DISCHARGE STROKE
7.2.4. PULSATION
7.2.5. DOUBLE ACTION PUMP
7.2.6. FORWARD STROKE
7.2.7. RETURN STROKE
7.2.8. PRESSURE RELIEF
7.2.9. CAM OPERATED
7.2.10. AIR OPERATED DIAPHRAGM PUMP
7.3. ENGINEERING DRAWING SYMBOL
7.4. DISADVANTAGES OF RECIPROCATING PUMPS
8. GLOSSARY
9. TROUBLESHOOTING
10. BASIC MECHANICAL SEAL OPERATION
11. SEALING BASICS
12. STUFFING BOX PACKING
13. MECHANICAL SEALS
13.1. THE BASIC MECHANICAL SEAL
13.2. HOW A MECHANICAL SEAL WORKS
13.3. SEAL TYPES
13.3.1. PUSHER
13.3.2. UNBALANCED
13.3.2. CONVENTIONAL
13.3.3. NON-PUSHER
13.3.4. BALANCED
13.3.5. CARTRIDGE
13.4. MECHANICAL SEAL ARRANGEMENTS
13.4.1. SINGLE INSIDE
13.4.2. SINGLE OUTSIDE
13.4.3. DOUBLE (DUAL PRESSURISED)
13.4.4. DOUBLE GAS BARRIER (PRESSURISED DUAL GAS)
13.4.4. TANDEM (DUAL UNPRESSURISED)
13.5 MECHANICAL SEAL SELECTION
13.5.1. LIQUID
13.5.2. PRESSURE
13.5.3. TEMPERATURE
13.5.4. CHARACTERISTICS OF LIQUID
13.5.5. RELIABILITY & EMISSION CONCERNS
13.6. SEAL ENVIRONMENT
13.6.1 STANDARD BORE STUFFING BOX COVER
13.6.2 CONVENTIONAL LARGE BORE SEAL CHAMBER
13.6.3 LAREGE BORE SEAL CHAMBERS
13.7. ENVIRONMENTAL CONTROLS
13.7.1. CORROSION
13.7.2. TEMPERATURE CONTROL
13.7.3. DIRTY OR INCOMPATIBLE ENVIRONMENTS
13.8. FIELD TESTING METHODS
13.8.1. DETERMINATION OF TOTAL HEAD
13.8.2. MEASUREMENT OF CAPACITY
14. THE MOST ASKED QUESTIONS ABOUT MECHANICAL SEALS

Dates available on request.

Course Content

Aim:
To understand and be able to explain the principle of operation for the following pumps types.

Objectives:

The delegate will be able to:
Explain the principles of operation, common faults andassociatedsymptoms, operational parameters to be monitored to assure performance, seals and seals systems involved for the following types of pumps:

  • Single Stage and multi-stage centrifugal pumps
  • Reciprocating pumps
  • Positive Displacement pumps – gear, rotary, screw, Diaphragm, vane
  • Explain with the aid of an example a typical application for each of the above types of pump
  • Explain the concept of static head in simple terms

Topics Covered Include:
  • Static Head Pressure
  • Seals and seal systems
  • Centrifugal pumps
  • Dangers of reciprocating pumps
  • Applications of pumps
  • Manufacturers data sheets (interpretation of)

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