TECHNICAL PAPER INDEX

PUMPS and SEALS

 

Agitator and mixer sealing 3-7

Alignment between the pump and its driver 14-3

API Gland 17-9

A.P.I, and C.P.I. specifications merger 12-5

A.P.I. Standard 18-4

API 682 & ISO 20149 18-8

A few terms you need to understand centrifugal pumps 1-5

A sensible preventative maintenance program for centrifugal pumps 9-5

Affinity laws- what happens when you change the pump speed or impeller diameter? 2-1

Affinity law supplements 11-8

Air ingestion Cavitation 1-3.2

Balanced seal 8-1

Balancing centrifugal pump rotating components 9-01

Barrier or buffer fluid. The liquid we circulate between dual seals. 3-6

Bearing lubrication 5-3

Bearings - anticipated life and how they fail 5-3

Bearings - 4-12

Bending of the pump shaft 1-6

Best technology for mechanical seals 9-3

C or D frame adapter 14-3

Calculating NPSHA in non-metric units 11-12

Calculating radial thrust in centrifugal pumps 13-2

Calculating the first critical speed of the pump's rotating shaft 5-4

Calculating the total system head in USCS units 7-01

Calculating NPSHA in non-metric units 11-12

Carbon graphite seal faces - how they are manufactured 4-7

Cartridge seals - the major cause of overheating them 7-4

Cartridge seal problems 5-10

Cavitation 19-03

Cavitation - 1-3

Centrifugal pump affinity laws 19-04

Centrifugal pump formulas, rules and definitions 13-4

Centrifugal pump repair Boelens

Centrifugal pump shaft displacement 9-2

Centrifugal pump troubleshooting 1-2

Centrifugal pumps - what is wrong with their design ? 3-10

Changes in the pump discharge head 1-1

Charts and Graphs

Cheat Sheet Index19-1

Chemical classification for easier sealing 2-12

Choosing the correct mechanical seal (home)

Chloride stress corrosion 17-7

Classifying chemicals for easier sealing 2-12

Classifying mechanical seals 2-11

Classifying seals by the operating conditions 4-3

Coke or coking 17-6

Common misconceptions about centrifugal pumps 11-2

Common sense and mechanical seals 7-6

Concentric dual seals 8-8

Concepts you need to understand centrifugal pumps 8-12

Condensate - why you must seal it 10-7

Controlling temperature and pressure in the pump stuffing box 8-9

Controlling the temperature in the stuffing box 4-6

Conversion tables 8-5

Converting head to pressure 1-5

Corrosion - problems with the 300 series of stainless steel 4-1

Decision making 7-7

Desirable features in any mechanical seal 4-3

Discharge recirculation 3-6

Double seals - another name for dual seals 8-8

Dual mechanical seals 8-8

Duty point 18-3

Dynamically balancing the pump rotating components 9-1

Elastomers -

Electric motor - 6-4

Environmental controls - controlling the temperature in the stuffing box 4-6

Environmental controls - controlling pressure in the stuffing box 4-10

Environmental control and special seals- 3-2

Environmental controls -how to use them 3-6

Estimating the shutoff head of a centrifugal pump 13-7

Evaluating mechanical seal design 6-2

Extreme operating conditions 2-12

Face opening 10-4

Face to face dual sealing 8-8

Flexibility factor, L3/D4 1-6

Flushing confusion explained 3-6

Frequently asked questions about mechanical seals 10-2

Fretting 10-3

Fugitive emissions - the chemicals on the list 5-1

Flow formulas 11-8

Flow through an orifice 13-12

Fluid viscosity 7-8

Flushing confusion explained 3-6

Formulas for pipe friction vs. product flow 11-8

Fretting 10-3

Full voltage vs. soft start 18-2

Galvanic series of metals 4-1

Glossary of seal and pump terms

Grease or lip seals 3-10

Grout used to attach the pump to its base 7-5

Halogens and oxidizers 17-8

Hard faces - selecting the correct one 5-2

Hard faces - When do you run them against each other? 17-10

Hard vacuum sealing 5-7

Head - calculating the total head in the system 7-1

Head - 1-1

Heat how it affects the pump and mechanical seals- 1-4

High head/ low capacity pumps 11-4

High speed pumps 11-4

Hot oil sealing 3-5

Hot water sealing 3-3

How efficient is your centrifugal pump? 7-2

How to:

How wide is your vision? 5-11

Hydraulic balance 8-1

Hydrodynamic gas seals 13-1

Hydrostatic sealing 12-2

Impellers, all about them 10-1

Internal Recirculation cavitation 1-3.3

ISO 20149 and API 682      18-8

Is this a mechanical seal application? (tutorial)

Jacketing fluid 3-6

Large stuffing box 7-9

L3/D4 1-6

Learning about centrifugal pumps (home)

Loss of suction 10-12

Low capacity problems 10-10

Low head problems 10-9

Lubricating the mechanical seal faces 18-9

Lubricating the mechanical seal rubber parts 18-10

Magnetic drive pumps - their limits 3-11

Magnetic Bearings 18-6

Mechanical seal hydraulic balance 8-1

Mechanical seal design - state of the art 19-11

Mechanical seal two way hydraulic balance 8-2

Metal bellows sealing 12-10

Metal bellows seal problems 5-10

Mixer and agitator sealing 3-7

Monitoring the centrifugal pump 9-11

Net positive suction head (NPSH) 11-12

Non lubricant sealing - 4-8

Non-seal pumps 3-11

Operating off the bep 11-4

Original equipment seal problems 4-4

Original equipment manufacturer seal problems 4-4

O-ring selection for the application 4-9

O-rings - the super compounds 10-6

Orifice flow 13-12

OSHA 1910 Act 8-10

Oversized pumps 7-10

Oversized stuffing box 7-9

Overview of seal troubleshooting 3-1

Oxidizers and halogens 17-8

Oxygen problems in condensate 10-7

Ozone 8-4

Packing conversion, the down side - 9-4

Packing conversion - why you should do it and the possible savings 2-10

Parallel operation of centrifugal pumps 18-1

Positive displacement pumps (Rotary) 12-3

Positive displacement pump troubleshooting 12-4

Predictive maintenance for centrifugal pumps 6-11

Prematiure seal failure 9-9

Pressure - how to control it in the stuffing box 4-10

Pressure and vacuum sealing 5-7

Preventive maintenance

Preventing premature pump failure 9-11

Preventing premature seal failure, cheat sheet 11-5

Preventing pump and seal problems 8-6

Priming the centrifugal pump 6-6

Problem areas for seals and pumps 8-6

Problems associated with original equipment seal designs 4-4

Pump and driver alignment 14-3

Pump & Seal Cheat Sheet Index19-1

Pump and seal problems with no apparant cause 4-5

Pump base 7-5

Pump bearings, why do they fail? 4-12

Pump curve - how to read one 2-3

Pump design, what's wrong with it? 3-10

Pump efficiency - figuring the heads 7-2

Pump efficiency - making the calculations 6-1

Pump efficiency - the affect of the oversize pump 7-10

Pump installation (tutorial)

Pump modification (tutorial)

Pump modifications to increase seal life 11-1

Pump modifications to lower heat generation in the pump 1-4

Pump Monitoring 9-11

Pump rules of thumb 2-7

Pump selection (tutorial)

Pump vibration readings, how do we use them? 2-9

Pump standards - 2-4

Pump surging 17-12

Pumps - additional information you need 11-4

Pumps, the best technology 9-3

Pumping terms 1-5

Reading seal face flatness 6-3

Recommendations to lower heat generation in a centrifugal pump 1-4

Repair of mechanical seals 5-8

Rotary pumps 12-3

Rubber bellows seal 11-11

Rubber bellows seal (type #1) problems 5-10

Rubber parts of the seal - 4-9

Rules of thumb - pumps 2-7

Rules of thumb - seals 2-5

Rules of thumb -seals and pumps 8-6

Seal and Pump Cheat Sheet Index 19-1

Seal application outline 19-06

Seal applications

Seal cartridge - problems with overheating in some designs 7-4

Seal design - build components to compensate for operating conditions 4-11

Seal design - the questions you should ask 6-2

Seal face

Seal failure 2-2

Seal hydraulic balance - the conventional method 8-1

Seal hydraulic balance - two way balance for dual seals 8-2

Seal installation errors 5-10

Seals and pumps, how heat affects their life 1-4

Seal life - how to get good seal life 2-8

Seal metal parts - selecting the right ones 5-9

Seal misconceptions 11-3

Seal partnering 13-10

Sealing products sensitive to temperature or pressure 8-9

Seal problems that occur shortly after installation 5-10

Seal problems 8-11

Seal repair - the correct procedure 5-8

Seal repair kits 4-3

Seal selection (tutorial)

Seal specifications 4-3

Seal springs 3-9

Seal types 2-11

Seal value - how to get good value 7-11

Seal, preventing premature failures 10-5

Sealless centrifugal pumps 3-11

Seals - as supplied by the original equipment manufacturer- the problems 4-4

Seals - dual 8-8

Seals - preventing premature failure 11-5

Seals, the best technology 9-3

Seals - the most asked questions 10-2

Seals classification 2-11

Seal failure causes 9-9

Seal failure explained 2-2

Sealless pumps 3-11

Series operation of centrifugal pumps 18-1

Setting up a training department for pumps and seals 17-02

Shaft assembly - dynamic balance 9-1

Shaft bending causes 1-6

Shaft deflection - 1-6

Shaft displacement - common causes 4-11

Shaft displacement - the cheat sheet 9-2

Shaft displacement and original equipment seals (O.E.M.) 11-7

Shaft fretting and damage. The main causes 10-3

Slenderness ratio L3/D4 1-6

Slip stick vibration 17-5

Slurry pump features 11-4

Slurry sealing 3-4

Some common misconceptions about mechanical seals 11-3

Source and affect of heat on mechanical seals and pumps 19-02

Sources of a temperature change in the stuffing box 9-8

Specific gravity 7-12

Specific speed - how to calculate it 7-3

Specific speed vs. suction specific speed 9-12

Split mechanical seals 3-8

Split seal problems 5-10

Stainless steel - exceptions to the rule 5-9

Stainless steel (300 series) corrosion -4-1

Stationary cartridge seals 11-10

Stationary vs. Rotary seals 11-

Stiffness ratio L3/D4 1-6

Stuffing box 7-9

Surging 17-12

Suction loss 10-12

Suction recirculation 17-11

Suction specific speed 9-12

System curve 18-5

Tandem style dual sealing 8-8

Temperature - causes of a rise in stuffing box heat 7-8

The oversized centrifugal pump 7-10

Three concepts needed to understand centrifugal pumps 8-12

Throttling the suction side of a pump 11-4

Training for centrifugal pumps and mechanical seals 17-2

Troubles with no apparent cause 4-5

Troubleshooting pumps -

Troubleshooting pumps - 1-2

Troubleshooting seal components 3-9

Troubleshooting seal leakage - 4-2

Troubleshooting seal problems 8-11

Why don't good seals wear out? 9-9  

Turbulance cavitation 3-1.4

Tutorials

Type #1 rubber bellows seal 11-11

Understanding split mechanical seals 3-8

Understanding the centrifugal pump system curve 5-12

VOC (Volatile organic compounds standards 8-10

Variable speed drive problems 11-4

Vane passing Syndrome cavitation 1-3.5

Vaporization Cavitation 1-3.1

Venting a centrifugal pump 11-4

Vibration in a centrifugal pump - causes and cures 2-9

Viscosity 18-7

Water Hammer solutions 20-1

What is happening between the mechanical seal faces? 9-7

What is meant by pump efficiency? 6-1

Why do most mechanical seals fail? 2-2

Why packed pumps should be converted to mechanical seals 2-10

Why you have to prime a centrifugal pump. 6-6

Writing a set of seal specifications for your plant 4-3

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