Centrifugal Pumps Design and Application 2nd ed - Val S. Lobanoff, Robert R. Ross (Butterworth-Heinemann, 1992)

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NPSH 101 Figure 8-19. Estimating K 2 . Example Ignoring internal leakage back to the impeller, calculate NPSHR cavitation free for the pump now described. • Capacity—1,800 GPM • Product—Water • Temperature—70° F • Speed—8,100 RPM • Impeller eye area—17.2 sq in. • Eye diameter—5 in. • Inlet blade angle—15° • Suction area at A-B—24 sq in.
102 Centrifugal Pumps; Design and Application Figure 8-20. Gas-to-liquid ratio vs. NPSH correction factor, Co (from D. J, Viaming, "A Method of Estimating the Net Positive Suction Head Required by Centrifugal Pumps," ASME 81-WA/FE-32). Step 1: Determine K { , Ratio at A-B = 24/17.2 = 1.4 From Figure 8-18: Step 2: Calculate 0. From Figure 8-9:
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CENTRIFIUGAL PUMPS Design & applica
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CENTRIFUGAL PUMPS Design & Applicat
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Contents Preface —..... —......
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ern Pumps, Mine Dewatering Pumps. W
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Stage Pumps. Single-Suction Single-
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Preface When Val and I decided to c
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CENTRIFUGAL PUMPS Design & applicat
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Part 1 Elements of Pump Design
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1 Introduction System Analysis for
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Introduction 5 Figure 1-2. The syst
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Introduction 7 mate responsibility
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Introduction 9 Figure 1-6. Maximum
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2 Specific Speed and Modeling Laws
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Specific Speed and Modeling Laws 13
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Figyre 2-7, New pump from model pum
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Impeller Design 29 Figure 3-1. Requ
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Impeller Design 31 Figure 3-4. Capa
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Impeller Design 33 Step 8: Estimate
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Impeller Design 35 Figure 3-7. Volu
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impeller Design 37 (2) 5 , as final
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Impeller Design 39 The vane develop
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Impeller Design 41 Figure 3-12. Are
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impeller Design 43 Figure 3-16. Inf
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4 General Pump Design It is not a d
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General Pump Design 4? Figure 4-1.
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General Pump Design 49 designed and
Page 66 and 67: Volute Design 51 Figure 5-1. Volute
Page 68 and 69: Volute Design 53 Figure 5-2. Radial
Page 70 and 71: Volute Design 55
Page 72 and 73: Volute Design 57 Figure 5-4. Effici
Page 74 and 75: Volute Design 59 Figure 5-5. Typica
Page 76 and 77: Volute Design 61 Figure 5-8. Univer
Page 78 and 79: Volute Design S3 Manufacturing Cons
Page 80 and 81: 6 Design of Multi-Stage Casing Mult
Page 82 and 83: Design of Multi-Stage Casing 67 How
Page 84 and 85: Design of Multi-Stage Casing 69 Fig
Page 88 and 89: Design of Multi-Stage Casing 73 sec
Page 92 and 93: 7 Double-Suction Pumps and Side-Suc
Page 94 and 95: Double-Suction Pumps 79 two. Experi
Page 96 and 97: Double-Suction Pumps 81 Figure 7-3.
Page 98 and 99: Double-Suction Pumps 83 LOCATION AR
Page 100 and 101: 8 NPSH The expressions NPSHR and NP
Page 102 and 103: NPSH 87 Predicting NPSHR The other
Page 104 and 105: NPSH 89 Figure 8-4. Pressure loss b
Page 106 and 107: NPSH 91 SUCTION VELOCITY TRIANGLES
Page 108 and 109: NPSH 93 Figure 8-8. Performance cur
Page 110 and 111: NPSH 95 Figure 8-10. Leakage across
Page 112 and 113: NPSH 97 Figure 8-13. Plate inserts
Page 114 and 115: NPSH 99 Figure 8-17. Influence of p
Page 118 and 119: NPSH 103 Step 3: Determine KI* From
Page 120 and 121: Figure 8«22. Calculating NPSHA for
Page 122 and 123: NPSH 107 Figure 8-24. NPSHR cavitat
Page 124 and 125: NPSH 109 Notation KI Friction and a
Page 126 and 127: Part 2 Application
Page 128 and 129: 9 by Erik B. Fiske BW/JP Internatio
Page 130 and 131: Vertical Pumps 115 Figure 9-2. Well
Page 132 and 133: Vertical Pumps 117 Figure 9-4. Subm
Page 134 and 135: Vertical Pumps 119 Figure 9-6. Inst
Page 136 and 137: Vertical Pumps 121 Figure 9-8. Barr
Page 138 and 139: Vertical Pumps 123 • Loading pump
Page 140 and 141: Vertical Pumps 125 Wet Pit Pumps Th
Page 142 and 143: Vertical Pumps 127 • Fresh water
Page 144 and 145: Vertical Pumps 129 Condensate and H
Page 146 and 147: Vertical Pumps 131 mally insulate w
Page 148 and 149: Vertical Pumps 133 Figure 9-15. Imp
Page 150 and 151: Vertical Pumps 135 checked for corr
Page 152 and 153: Vertical Pumps 137 crating paramete
Page 154 and 155: 10 Pipeline Pipe line, Waterflood,
Page 156 and 157: Pipeline, Waterflood and CO 2 Pumps
Page 162 and 163: Pipeline, Waterfiood and CO 2 Pumps
Page 164 and 165: Figure 10-11. Performance change wi
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Figure 10-13. Seven-stage pump dest
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Pipeline, Waterflood and CO 2 Pumps
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Pipeline, Waterflood and COa Pumps
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11 By Edward Gravelle Sundstrand Fl
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High Speed Pumps 175 History and De
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High Speed Pumps 177 Figure 11-2. (
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High Speed Pumps 179 some portion o
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High Speed Pumps 181 This is to say
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High Speed Pumps 183 This expressio
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High Speed Pumps 185 Figure 11-3. P
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High Speed Pumps 187 As an aside, p
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High Speed Pumps 189 Figure 11-5. I
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High Speed Pumps 191 Figure 11-7. I
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High Speed Pumps 193 Figure 11-9. R
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High Speed Pumps 195 Figure 11-10.
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High Speed Pumps 19? Figure 11-11.
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High Speed Pumps 199
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High Speed Pumps 201 Figure 11-13.
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High Speed Pumps 203 nal bearings a
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High Speed Pumps 205 Barske, U, M.,
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Double-Case Pumps 207 jected to ext
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Double-Case Pumps 209 Figure 12-3.
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Double-Case Pumps 213 ally by split
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Double-Case Pumps 215 The throttle
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Figure 12-11. pump for 4,000 psi In
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Double-Case Pumps 219 so that the t
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Doubte-Case Pumps 223 Volute Casing
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Double-Case Pumps 225 5. Survey of
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Slurry Pumps 227 An approximate com
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Slurry Pumps 229 Figure 13-2. Nomog
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Slurry Pumps 231 Table 13-2 Alloys
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Slurry Pumps 233 Figure 13-3. Class
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Figure 13-4, (A) (B) (C)
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Slurry Pumps 237 There is little to
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Figyre 13-7, (courtesy Pumps, Inc.)
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Flgyr« 13-8, with (courtesy Goulds
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Slurry Pumps 243 ing the pump speed
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Slurry Pumps 245 Where there exists
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Hydraulic Power Recovery Turbines 2
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Figure 14-14. Internally adjustable
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14-22, Flow of hydraulic recovery a
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15 by Frederic W. Buse Ingersolf-Ra
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Chemical Pumps Metallic and Nonmeta
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Driver Chemical Pumps Metallic and
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Part3 Mechanical Design
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16 Shaft Design and Axial Thrust Sh
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Shaft Design and Axial Thrust 335 S
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Shaft Design and Axial Thrust 337 W
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Shaft Design and Axial Thrust 339 T
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Shaft Design and Axial Thrust 341 b
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Shaft Design and Axial Thrust 343 K
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Double-Suction Single-Stage Pumps S
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Shaft Design and Axial Thrust 347 F
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D (with subscript) P D P s T T (wit
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Mechanical Seals 355 Figure 17-1. M
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Mechanical Seats 357 Figure 17-2B.
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Mechanical Seals 359 Figure 17-2D.
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Mechanical Seals 361 Figure 17-4. H
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Mechanical Seals 363 Pressure-Veloc
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Mechanical Seals 365 The temperatur
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Mechanical Seals 367 Figure 17-7. B
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Mechanical Seals 369 Figure 17-9. P
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Mechanical Seals 371 where C 3 = 53
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Mechanical Seals 373 Classification
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Mechanical Seals 375 Double seals m
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Mechanical Seals 377 less than 100,
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Mechanical Seals 379 Figure 17-19.
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Mechanical Seals 381 Table 17-4 Tem
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Mechanical Seats 385 steam, is to p
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Mechanical Seats 38? rather than a
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Mechanical Seals 389 Mechanical Sea
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Mechanical Seals 391 seal to work i
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Mechanical Seals 395 The measured l
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Mechanical Seals 39? Figure 17-34.
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Mechanical Seals 401 This design is
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Mechanical Seals 403 alignment, par
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Mechanical Seats 419 Figure 17-58.
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Vibration and Noise in Pumps 421 Re
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Vibration and Noise in Pumps 423 me
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Vibration and Noise in Pumps 425 in
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Vibration and Noise in Pumps 427 pr
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Vibration and Noise in Pumps 429 ot
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Vibration and Noise in Pumps 431 Fi
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Vibration and Noise in Pumps 433 fi
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Vibration and Noise in Pumps 435 pr
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Vibration and Noise in Pumps 437 up
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Vibration and Noise in Pumps 441 na
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Vibration and Noise in Pumps 443 A
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Vibration and Noise in Pumps 453 Re
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Vibration and Noise in Pumps 457 Ac
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Vibration and Noise in Pumps 461 As
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Vibration and Noise in Pumps 463 ci
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Vibration and Noise in Pumps 467 sp
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Vibration and Noise in Pumps 469 Be
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Vibration and Noise in Pumps 475 Vi
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Vibration and Noise in Pumps 489 pe
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Vibration and Noise in Pumps 491 th
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Vibration and Noise in Pumps 4S3 fo
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Part 4 Extending Pump Life
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19 by Malcolm G. Murray, Jr. Murray
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Alignment 499 Figure 19-2. Pump dam
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Alignment 501 The best designs fail
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Table 19-1 Vertical Alignment Movem
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Table 19-2 Continued Horizontal Ali
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Alignment 507 bearing motors becaus
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Alignment 509 meet results. It shou
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Alignment 511 Determination of Tole
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Table 19-3 Continued Primary Alignm
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Alignment 515 Figure 19-3 A & B. Tw
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Table 19*4 Continued Methods of Cal
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Alignment 510 parallelism/perpendic
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Alignment 521 Table 19-5 continued
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Alignment 523 3. Essinger, J. N., B
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Rolling Element Bearings and Lubric
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Roiling Element Bearings and Lubric
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Roiling Element Bearings and Lubric
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Failure Analysis Mechanical Seal Re
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Table 21-2 Causes of Seal Failures
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Mechanical Seal Reliability 561 ^mi
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Mechanical Seal Reliability 563 Sea
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Mechanical Seal Reliability 565 run
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Reliability Mechanical Seal Reliabi
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Index A thermal growth, 519-522 ver
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Critical speed analysis. See also V
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Index 573 inlet angle, 37 classific
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Index 575 Shaft design, 333-343 ind
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double, 52-54 velocity ratio, 50-51
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Centrifugal Pumps Design and Application 2nd ed - Val S. Lobanoff, Robert R. Ross (Butterworth-Heinemann, 1992)

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