Seal papers listed by number

Tutorials

• Learning about pumps
• Choosing the seal
• Selecting the pump impeller
• Is this a seal application?
• Installing the pump
• Modifying your centrifugal pump
• Selecting the correct pump
• Selecting the mechanical seal

1-1 Changes in the pump discharge head of a centrifugal pump 1-1

• Design problems
• Operation problems
• Maintenance problems

1-2 Centrifugal pump troubleshooting 1-2

1-3 Cavitation - 1-3

• Vaporization
• Air ingestion
• Internal Recirculation
• Turbulence
• The Vane Passing Syndrome

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

• Heat generated at the seal faces 1-4
• Ambient heat 1-4
• Heat within the product 1-4
• Heat generated when parts rub together 1-4
• Heat generated by the bearing seals 1-4
• The corrosion rate of the pumping fluid increases 1-4
• Critical tolerances change 1-4
• Seal faces can be destroyed 1-4
• Elastomer life is reduced 1-4
• The product can change 1-4
• Recommendations to lower heat generation 1-4
• Pump modifications to lower heat generation 1-4

1-5 A few pumping terms 1-5

1-6 Bending of the pump shaft 1-6

2-1 The pump affinity laws 2-1

• The capacity
• The head
• The horsepower required
• The net positive suction head required
• The amount of shaft run out
• The amount of friction loss in the piping
• The wear rate of the components

2-2 Why do most mechanical seals fail? 2-2

• Seal life explained 2-2
• If you suspect corrosion 2-2

2-3 How to read a pump curve 2-3

2-4 The problem with pump standards - 2-4

• Problem with existing standards 2-4
• How to modify the pump for better performance 2-4

2-5 Rules of thumb - seals 2-5

2-6 Preventative maintenance - pumps and seals 2-6

• What you can monitor 2-6
• The monitoring of vibration 2-6
• An inspection of individual components 2-6
• Stop shaft deflection 2-6
• Other good practices : 2-6

2-7 Rules of thumb - pumps 2-7

• Pump basics
• Application
• Piping etc
• Troubleshooting

2-8 How to get good mechanical seal life 2-8

2-9 Centrifugal pump vibration readings 2-9

• Mechanical causes of vibration 2-9
• Hydraulic causes of vibration 2-9
• Other causes of vibration. 2-9
• You can read the vibration a variety of ways 2-9
• Mechanical Problem Solutions 2-9
• Hydraulic Problem Solutions 2-9
• Solutions to other types of vibration 2-9

2-10 Packing conversion 2-10

• The savings that are real and easily measurable 2-10
• Split seal advantages 2-10

2-11 Classifying mechanical seals 2-11

• The rotating seal 2-11
• The stationary seal 2-11
• The inside mounted seal. 2-11
• The outside mounted seal 2-11
• The single seal. 2-11
• Dual seals. 2-11
• The unbalanced seal. 2-11
• The balanced mechanical seal. 2-11
• The elastomer type seal 2-11
• The metal bellows seal 2-11
• The cartridge seal 2-11
• The non-cartridge seal 2-11
• The split seal. 2-11
• The solid seal. 2-11
• Motion seals. 2-11
• Pump Seals 2-11
• Original equipment ( OEM) designs 2-11
• Off the shelf, universal seal designs 2-11

2-12 A new way of classifying chemicals for easier sealing 2-12

• Fluids that are sensitive to change 2-12
• Liquids that require two mechanical seals 2-12
• Sealing non lubricants. 2-12
• Slurries, especially abrasive slurries 2-12
• Liquids sensitive to agitation 2-12
• Liquids that combine together to form a solid 2-12
• Clean, lubricating liquids 2-12
• Extreme operating conditions 2-12

3-1 An overview of seal troubleshooting 3-1

• Leakage at the seal faces 3-1
• Leakage at the elastomer location 3-1
• Other leak paths to consider 3-1
• Causes of excessive shaft movement 3-1
• Vibration at the seal faces 3-1
• Excessive axial movement of the seal 3-1
• The shaft is not concentric with the stuffing box 3-1
• Causes of high heat at theseal faces 3-1

3-2 Environmental controls and special seals- 3-2

• Control stuffing box temperature 3-2
• Control stuffing box pressure 3-2
• Provide a lubricating fluid 3-2
• Decreasing aggitation in the stuffing box 3-2
• Handling slurry applications 3-2
• Design features for temperature extremes 3-2
• Design features for slurry applications 3-2 

3-3 Hot water sealing 3-3

3-4 Slurry sealing 3-4

3-5 Hot oil sealing 3-5

3-6 Flushing confusion explained 3-6

• Discharge recirculation 3-6
• Suction recirculation 3-6
• Flushing 3-6
• Barrier or buffer fluid 3-6
• Jacketing fluid 3-6
• Quenching 3-6
• Using these tools 3-6

3-7 The sealing of mixers and agitators 3-7

3-8 Split mechanical seals 3-8

• The market for split seals 3-8
• Split seals are the easiest way to convert from packing 3-8

3-9 Troubleshooting seal components 3-9

• The carbon face 3-9
• The hard face 3-9
• Analysis of the wear track on the hard face 3-9
• The elastomer 3-9
• The metal case or body 3-9
• Drive lugs, pins and slots 3-9
• The springs 3-9
• The sleeve or shaft 3-9
• The set screws 3-9
• The seal gland  3-9

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

3-11 Non-seal pumps 3-11

• The canned pump
• Magnetic drive pump
• Non contacting seal and repeller

3-12 How to implement the information you learn from self study and attendance at seminars 3-12.

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

• General or overall corrosion 4-1
• Galvanic corrosion 4-1
• Pitting 4-1
• Intergranular corrosion 4-1
• Chloride stress corrosion 4-1
• Erosion corrosion 4-1
• Fretting corrosion 4-1
• Concentrated cell or crevice corrosion 4-1
• Selective leaching 4-1
• Micro organisims 4-1
• Galvanic series 4-1

4-2 Troubleshooting seal leakage - 4-2

• The leakage occurs while the pump is both running and stopped 4-2
• The seal leaks only when the pump is running 4-2
• The seal leaks only when the pump is not running 4-2
• The leak occurs only at start up 4-2
• The seal leaks intermittently, 4-2
• The different types of leakage 4-2
• Noise in the stuffing box 4-2
• Auxiliary equipment failureThe pump is vibrating 4-2

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

• Classify seals by operating conditions 4-3
• Use dual seals in these applications 4-3
• Desirable features in any mechanical seal 4-3
• Repair kits 4-3

4-4 Problems associated with original equipment seal designs 4-4

4-5 Pump and seal problems with no apparant cause 4-5

• Cavitation 4-5
• The seal is getting hot 4-5
• The seal leaks for no apparant reason 4-5
• Component damage is visible, but no apparant cause 4-5
• Other problems 4-5

4-6 Controlling the temperature in the stuffing box 4-6

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

4-8 Non lubricant sealing - 4-8

• Dry solids 4-8
• Gases 4-8
• Liquids 4-8

4-9 Selecting the correct O-ring for the application 4-9

• The four step procedure for selecting the correct elastomer 4-9

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

• We can raise the pressure in the stuffing box 4-10
• We can raise the pressure betwen dual seals 4-10
• We can lower the pressure in the stuffing box 4-10
• Discharge recirculation. 4-10
• Suction recirculation 4-10
• Using two seals with a convection tank 4-10

4-11 A quick reference guide for mechanical seal failure 4-11

• Corrosion 4-1
• Physical damage. 4-1
• Physical causes 4-1
• Product problems
• The common causes of shaft displacement 4-1
• How to prevent product problems 4-1
• If you need cryogenic capability 4-1

4-12 Pump bearings, why do they fail? 4-12

• Understanding fatigue 4-12
• Why bearings become overloaded 4-12
• Affect of heat on the bearing lubricant 4-12
• Why do bearings fail 4-12
• Moisture in the bearings 4-12
• Solids in the bearings 4-12
• Keeping solids out of the bearings 4-12
• Converting to hydrodynamic bearings 4-12

5-1 Fugitive emissions - the chemicals on the list 5-1

5-2 Hard faces - selecting the correct one 5-2

• Reaction bonded silicon carbide 5-2
• Self sintered silicon carbide 5-2
• Siliconized graphite 5-2
• Tungsten Carbide 5-2
• Thoughts about hard faces 5-2

5-3 Troubleshooting bearing failures 5-3

• The radial load is rotating with the shaft 5-3
• The radial load is unidirection 5-3
• The radial load is multidirectional 5-3
• The axial load is unidirectional 5-3
• An oval compression of the outer ring 5-3
• The inner ring was misaligned 5-3
• Look for damage caused by solids 5-3
• Look for lack of lubrication 5-3
• Look for smearing of the metal 5-3
• Look for evidence of static vibration 5-3
• Look for electric current damage 5-3
• Look for flaking or spalling of the raceway 5-3
• Sources of heat in thr bearing 5-3
• Look for cracks in the metal. 5-3
• Look for signs of corrosion. 5-3

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

5-5 Troubleshooting rub marks in a centrifugal pump 5-05

• All around the rotary one spot on the stationary 5-5
• All around the stationary, one spot on the rotary 5-5
• All around rotary and stationary 5-5
• One spot on both rotary and stationary 5-5
• One spot on the rotating unit 5-5

5-6 A new way to troubleshoot centrifugal pumps and mechanical seals. 5-6

5-7 High pressure and hard vacuum sealing 5-7

• High pressure sealing problems 5-7
• Sources of the high pressure 5-7
• The solution to high pressure sealing 5-7
• Normal vacuum sealing 5-7
• Hard vacuum sealing. 5-7

5-8 Seal repair - the correct procedure 5-8

5-9 Selecting the correct metal components 5-9

• There are exceptions to all general rules 5-9
• What is grade 316 stainless steel? 5-9
• The designation 316 stainless is not used universally 5-9

5-10 Seal problems that occur shortly after installation 5-10

• Conventional seal problems 5-10
• Cartridge seal problems 5-10
• Rubber bellows seal (type #1) problems 5-10
• Metal bellows seal problems 5-10
• Split seal problems 5-10
• Other problems after installation 5-10

5-11 How wide is your vision? 5-11

5-12 Understanding the centrifugal pump system curve 5-12

• Static head 5-12
• Dynamic or system head 5-12
• Shape of the pump curve 5-12
• Positive displacement pump and system curves 5-12

6-1 What do we mean by pump efficiency 6-1

• How do we measure the horsepower out of the pump? 6-1
• Three kinds of discharge heads 6-1
• Suction head measured 6-1
• Formula for measuring h/p out of the pump 6-1
• Conditions that decrease the effeciency of a pump 6-1

6-2 Evaluating mechanical seal design 6-2

6-3 Reading seal face flatness 6-3

6-4 Selecting the correct horsepower motor 6-4

• The service factor rating 6-4
• A.P.I. factor 6-4

6-5 Solving a major cause of shaft deflection in volute pumps 6-5

• Three rules you must understand about pumps 6-5
• Three pumping conditions 6-5
• Problems caused by shaft deflection 6-5
• How to reduce shaft deflection 6-5

6-6 Why you must prime a centrifugal pump 6-6

6-7 Operation practices that cause frequent seal and bearing maintenance problems 6-7

6-8 Maintenance practices that cause high seal and bearing maintenance problems 6-8

• Poor seal handling practices 6-8
• Poor bearing maintenance practices 6-8

6-9 Pump selection practices that cause high seal and bearing maintenance problems. 6-9

6-10 The Mechanical Seal and Centrifugal Pump Certification Program 6-10

6-11 Predictive maintenance for centrifugal pumps 6-11

• Pump monitoring 6-11

6-12 Sealing products that are sensitive to agitation. 6-12

• Dilatants 6-12
• Thixothrophic fluids 6-12
• Plastic materials 6-12

7-1 Calculating the total system head in USCS units 7-1:

7-2 How efficient is your pump? 7-2

7-3 All about specific speed 7-3

• Relationship between specific speed and pump efficiency 7-3
• Specific speed relates to the shape of the pump curve 7-3

7-4 Causes of overheating in cartridge mechanical seals 7-4

• Problems that are unique to cartridge seals 7-4

7-5 Attaching the pump and motor base plate to the foundation. The grout. 7-5

7-6 Common sense and mechanical seals: 7-6

7-7 A technique for making troubleshooting decisions 7-7

7-8 A primer on viscosity 7-8

• Types of viscosity 7-8
• Measuring viscosity 7-8

7-9 The large stuffing box 7-9

7-10 The oversized pump 7-10

• Why we use oversized pumps 7-10
• Cost of operating an inch size pump 7-10
• Operating a metric size pump 7-10

7-11 Getting what you pay for in a mechanical seal 7-11

• A high quality seal 7-11
• Good service 7-11
• The lowest price 7-11

7-12 Specific gravity 7-12

8-1 Mechanical Seal hydraulic balance 8-01

8-2 Two way hydraulic balance 8-2

8-3 Communicating with suppliers 8-3

• Communicate with mechanical seal suppliers 8-3
• Communicate with pump suppliers 8-3

8-4 Understanding the destruction of the ozone layer. 8-4

8-5 Conversion tables 8-5

• Velocity 8-5
• Mass flow rate 8-5
• Volume of flow 8-5
• Force 8-5
• Pressure and liquid head 8-5
• Energy and work 8-5
• Power 8-5
• Volume 8- 5

8-6 A quick reference to prevent potential seal and pump problems. 8-6

• The mechanical seal 8-6
• Converting packing to a seal
• Centrifugal pumps 8-6

8-7 Left blank on purpose

8-8 The dual seal arrangement 8-8

8-9 Sealing products sensitive to a change in temperature or pressure. 8-9

8-10  Sealing to the Osha 1910.119 process safety management standard and the clean air act of 1990. 8-10

8-11 Mechanical Seal design, operation, and maintenance problems 8-11

• Design problems 8-11
• Operation problems 8-11
• Maintenance problems 8-11

8-12 The concepts you need to understand centrifugal pumps 8-12

9-1 Another look at dynamically balancing the pump rotating components 9-1

• What cause a pump shaft to go out of balance 9-1
• Balancing the Impeller 9-1
• Sending impeller to an outside contractor 9-1

9-2 Shaft displacement cheat sheet 9-2

• Operating off the BEP 9-2
• The pump is cavitating 9-2
• The pump is vibrating 9-2
• Other causes of vibration 9-2
• Stuffing box misalignment 9-2

9-3 What is the best pump and seal technology? 9-3

• Materials 9-3
• Design 9-3
• Other 9-3
• Pumps, the best technology 9-3

9-4 More about packing conversion. 9-4

• Problem with pump seals 9-4
• Better seal designs 9-4
• Advantage of converting to a seal 9-4

9-5 A sensible preventative maintenance program for centrifugal pumps cheat sheet 9-5

• Install constant monitoring 9-5
• Good maintenance practices 9-5
• Good operating practices 9-5
• Sensible design features 9-5
• If you must operate off the BEP 9-5

9-6 A sensible preventative maintenance program for mechanical seals, cheat sheet 9-6

• Eliminate shaft deflection 9-6
• Eliminate vibration 9-6
• Control stuffing box temperature 9-6
• Control stuffing box pressure 9-6
• Incorporate anti-clogging features 9-6
• Other desireable features 9-6
• Use cartridge seals 9-6
• Use back up seals 9-6

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

• Why seals go out of flat. 9-7
• Seal face damage 9-7

9-8 Sources of a temperature change in the stuffing box area, cheat sheet 9-8

• What is the temparture affecting? 9-8

9-9 Why don't good seals wear out? 9-9

• It’s like painting an automobile 9-9

9-10 The affect of cavitation 9-10

• Cause of the noise 9-10

9-11 Monitoring the centrifugal pump. 9-11

• The wet end of the pump 9-11
• The stuffing box 9-11
• The bearing case 9-11
• The bar tag information 9-11
• Predicting pump performance 9-11
• Base information 9-11
• Preventing premature failure 9-11

9-12 The difference between specific speed and suction specific speed 9-12

• Specific speed 9-12
• Suction specific speed 9-12

10-1 All about impellers 10-1

• The types 10-1
• Radial flow impellers 10-1
• Axial flow impellers 10-1
• Impeller materials 1`0-1
• Special designs 10-1

10-2 The most asked questions about mechanical seals 10-2

10-3 Shaft fretting 10-3

10-4 Preventing premature seal failure, part 1 10-4

• Why lapped faces open 10-4

10-5 Preventing premature seal failure, part 2 10-5

• Why we get shaft displacement 10-5
• High heat damage 10-5
• Cryogenic damage 10-5
• High pessure damage 10-5
• Other causes of seal damage.10-5
• How manufacturers can improve seals 10-5

10-6 The super rubber compounds 10-6

• O-ring advantages 10-6
• Kalrez compounds 10-6

10-7 Some more about condensate 10-7

• Dissolved oxygen 10-7
• Carbon dioxide 10-7

10-8 Shaft deflection and the pump best efficiency point. 10-8

10-9 The pump is not producing enough head to satisfy the application 10-9

• Problems inside the pump 10-9
• Problems at the suction side 10-9
• Problems at the discharge side 10-9

10-10 The pump is not producing enough capacity to satisfy the application 10-10

• The problem is in the pump 10-10
• Problems on the suction side 10-10
• Problems on the discharge side 10-10

10-11 The centrifugal pump is drawing too much amperage. 10-11

10-12 The pump works for a while and then loses suction 10-12

11-1  Pump modifications you can make to increase the life of mechanical seals and centrifugal pump bearings. 11-1

11-2 Some common misconceptions about centrifugal pumps. 11-2

11-3 Some common misconceptions about mechanical seals 11-3

11-4 Some more things you should know about centrifugal pumps 11-4

• Magnetic Drive pump limitations 11-4
• Converting anti friction to sleeve bearings 11-4
• Wear ring clearance is too large 11-4
• Throttling the suction side of a pump 11-4
• Priming a centrifugal pump 11-4
• Variable speed drive problems 11-4
• Problems encountered operating off the bep 11-4
• Slurry pump features 11-4
• When you need high head/ low capacity 11-4
• Venting a centrifugal pump 11-4
• High speed pumps 11-4

11-5 Preventing premature seal failures.11-5

11-6 The relationship between the pump L³/D⁴ and premature seal failure. 11-6

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

• Vibration of the rotating shaft11-7

11-8 How pipe friction, liquid capacity and pump head are affected by the amount of liquid flowing through a pipe. 11-8

11-9 Stationary vs. Rotating Seal Designs 11-09

• Cartridge, stationary seal problem 11-9

11-10 Stationary cartridge seals. How to solve the problem of seal movement 11-10

• Four ways to solve the problem 11-10
• Which is the best solution? 11-10

11-11 The rubber bellows seal 11-11

• The problems with this seal 11-11

11-12 Calculating net positive suction head (NPSH) in non-metric units 11-12.

12-1 Reductions in centrifugal pump NPSHR (net positive suction head required 12-1)

• Incipient cavitation 12-1

12-2 Hydrostatic sealing 12-2

• Advantages of non-contacting seals 12-2
• Why don’t we see more of these applications? 12-2
• Advamtages over hydrodynamic sealing 12-2

12-3 Rotary pumps. 12-3

• Types of PD pumps 12-3
• Difference with centrifugal designs 12-3
• Effect of viscosity 12-3
• NPSH required 12-3
• Advantages over centrifugal pumps 12-3

12-4 Troubleshooting the positive displacement rotary pump. 12-04

12-5 A.P.I. (American Petroleum Institute) and C.P.I. (Chemical Process Industry) merger 12-05

• What is wrong with the API standard? 12-5

12-6 Increasing the centrifugal pump performance by modifying the impeller.12-6

• Reducing the impeller diameter12-6
• Under filing the exit vanes 12-6

12-7 How the shape of the pump impeller affects the pump curve.12-7

• Specific Speed vs impeller shape 12-7
• Specific speed vs. horse power, 12-7

12-8 Seal face hardness testing 12.8

• Brinell test 12-8
• Moh’s scale 12-8
• Filing 12-8
• Rockwell hardness 12-8
• Scleroscope test. 12-8

12-9 The non metallic seal 12.9

• Using them in exotic metal pumps 12-9

12-10 An overview of metal bellows sealing.12-10

• Bellows plate materials 12-10
• Limitations of metal bellows seals 12-10

12-11 Playing with a few pump terms 12-11

• Interrelated pumping terms 12-11

12-12 The self priming pump 12-12

• Common designs 12-12

13-1 Hydrodynamic gas seals.13-01

13-2 Pump shaft radial thrust alternative calculations (in Imperial dimensions) 13-2

13-3 Starting the centrifugal pump.13-3

13-4 Some of the basics you need to understand centrifugal pumps 13-4.

13-5 The sealing of dangerous fluids.13-5

13-6 The affinity laws for rotary, positive displacement pumps 13-6

13-7 Estimating the shutoff head of a centrifugal pump.13-7

13-8 Using a variable speed motor to control flow in a centrifugal pump.13-8

13-9 Centrifugal pump ball bearing seals 13-9

13-10 Seal partnering 1 3-10

13-11 Pump partnering 13-11

13-12 Approximate flow through an orifice 13-12

14-1 Ball bearing lubrication in centrifugal pumps 14-1.

14-2 Open vs.Closed impeller design pumps 14-2.

14-3 Pump and driver alignment 14-3

• The process 14-3
• The reverse indicator method 14-3
• The "C or D" frame adapter 14-3
• The shaft to coupling spool method 14-3
• Face and rim method: 14-3
• Advantages of C or D frame adapter 14-3
• Moving the pump driver 14-3

14-4 Viscosity corrections to the pump curve 14-04

14-5 The ANSI pump Standard 14-5

14-6 The double volute pump 14-6

14-7 A few things you should know about your pump's piping system 14-7

14=8 A reminder of a few things you should know about installing pumps 14-8

14-9 A look at vacuum pumps 14-9

14-10 Calculating the total system head in metric units 14-10

14-11 The ten most important features you can specify in a mechanical seal design. 14-11

14-12 Pumps installed in pits. How to correct some existing suction problems. 14-12

15-1 Pumps in parallel 15-01

15-2 The ten most important features you can specify in a single stage centrifugal pump design 15-02

15-3 Carbon seal face in a metal holder 15-03

15-4 The major improvements in mechanical seals in recent years 15-4

15-5 API plans that I use. 15-05

15-6 A glossary of the terms that are used whenever pollutants are discussed 15-6

15-7 Is this a mechanical seal application? 15-7

15-8 Some pump rebuilding tips to prevent future vibration problems 15-8

15-9 The API gland 15-9

15-10 All about NPSH 15-10

15-11 Some additional information about shaft deflection 15-11

15-12 The siphon 15-12

16-1 Correlating a few technical terms 16-01

16-2 Density and specific gravity 16-02

16-3 Flow through a Venturi 16-3

16-4 Testing for Net Positive Suction Head Available (NPSHA) 16-04

16-5 Testing for Net Positive Suction Head Required (NPSHR) 16-5

16-6 What happens when we change the flow going through a piping system? 16-06

16-7 Changing the diameter of the piping to save opeating costs 16-07

16-8 Head, Pressure and Mr. Bernoulli #16-08

16-9 Venting horizontal pumps 16-9

16-10 Venting vertical pumps 16-10

16-11 Suction throtteling 16-11

16-12 How to the calculate the water horsepower coming out of the pump 16-12

17-1 Pump Reliability 17-01

17-2 Setting up a training department for seals, bearings and pumps. 17-02

17-3 Running standby pumps. Is it a good idea? Vol 17 #03

17-4 What seal should I buy? 17-04

17-5 Slip stick 17-5

17-6 Coke 17-6

17-7 Chloride stress corroaion 17-7

17-8 Qxidizers and Halogens 17-8

17- 9 API (American Petroleum Institute) Gland 17-09

17-10 Two hard faces disadvantages 17-10

17-11 Suction recirculation 17-11

17-12 The pump is surging 17-12

• System Stiffness 17-12

18-1 Series and parallel operation of centrifugal pumps 18-1

18 -2 Full voltage starts vs. soft start of electric motors 18-2

18-3 Duty point 18-3

18-4 A.P.I.Standard 18-4

18-5 System Curve 18-5

18-6 Magnetic bearings

18-7 Viscosity

18-8 API 682 & ISO 20149

18-9 Lubricating the mechanical seal faces

18-10 Lubricating the mechanical seal rubber parts

19-1 Cheat sheet Index

Glossary of seal and pump terms

• Glossary A
• Glossary B
• Glossary C
• Glossary D
• Glossary E
• Glossary F
• Glossary G
• Glossary H
• Glossary I
• Glossary J
• Glossary K
• Glossary L
• Glossary M
• Glossary N
• Glossary O
• Glossary P
• Glossary Q
• Glossary R
• Glossary S
• Glossary T
• Glossary U
• Glossary V
• Glossary W
• Glossary X-Z

Charts and Graphs

• ANSI pump dimensions, inch sizes
• ANSI pump dimensions, metric sizes
• Bearing fit tolerances
• C/R lip seal life chart
• Calculating the friction loss in inch size fittings and valves
  • Fittings, inch size
  • Valves, inch size
• Calculating the friction loss in inch size piping
  • 1.250" and 1.500" pipe
  • 2.000" and 2.500" pip
  • 3" pipe
  • 6" pipe
• Calculating the friction loss in metric pipe and fittings
• Carbon physicals
• Carcinogens list
• Classifying chemicals for sealing
• Cross section of a volute pump showing shaft deflection
• English to metric conversion tables 8-5
• Galvanic series of metals
• Glossary of seal and pump terms
• Mechanical seal hard face materials
• NPSH reducton chart
• O-ring compatibility guide
• OSHA 1910 regulation
• Pump types
  • The A.N.S.I. pump
  • The close coupled pump
  • The closed impeller, end suction, centrifugal pump
• Pump term relationships
• Seal face flatness readings
• Vapor Pressure Charts
  • Vapor pressure chart -60 to 240°F.
  • Vapor Pressure chart -180 F. to 60 F.
• Viscosity corrections for centrifugal pumps
• Water properties

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