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

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Pipeline, Waterflood and CO 2 Pumps 161 Figure 10-28. Performance of pump from Figure 10-27 in four, five, nine, and ten stages plotted against system head curve. attained without throttling (Figure 10-28). When rates exceed 830 GPM, the #1 unit can be upstaged. At this point, throughput is approaching the 35,OCX) BPD future design rate and it is time to consider changing impellers to pattern #2008-H (high capacity). Let's now assume after many years' operation there is a need to further increase capacity to 45,000 BPD (1,312 GPM). With 6,800 ft (2,620 psi) differential head, two stations are required to stay within the pipe pressure rating. The intermediate station is located near midpoint for hydraulic balance. Differential head required at each station is then half the total or 3,400 ft. A new station system curve is developed (Figure 10-29). At 1,312 GPM and 3,400 ft with 76% efficiency, the station BMP would be 1,319. With two pumps in series, head required of each pump would be 1,700 feet, and 660 BHP per unit would be within horsepower rating of existing drivers. In this instance, volutes can be chipped to provide a throat area equivalent to volute pattern #2204-A. Without changing impellers, the higher capacity performance can be attained (Figure 10-30).
162 Centrifugal Pumps: Design and Application Figure 10-29. System head curve for 45,000 BPD production, Figure 10-30. Performance from Figure 10-25 with volutes chipped to increase pipeline throughput to 45,000 BPD.
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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
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Volute Design 51 Figure 5-1. Volute
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Volute Design 53 Figure 5-2. Radial
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Volute Design 55
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Volute Design 57 Figure 5-4. Effici
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Volute Design 59 Figure 5-5. Typica
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Volute Design 61 Figure 5-8. Univer
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Volute Design S3 Manufacturing Cons
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6 Design of Multi-Stage Casing Mult
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Design of Multi-Stage Casing 67 How
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Design of Multi-Stage Casing 69 Fig
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Design of Multi-Stage Casing 73 sec
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7 Double-Suction Pumps and Side-Suc
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Double-Suction Pumps 79 two. Experi
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Double-Suction Pumps 81 Figure 7-3.
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Double-Suction Pumps 83 LOCATION AR
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8 NPSH The expressions NPSHR and NP
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NPSH 87 Predicting NPSHR The other
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NPSH 89 Figure 8-4. Pressure loss b
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NPSH 91 SUCTION VELOCITY TRIANGLES
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NPSH 93 Figure 8-8. Performance cur
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NPSH 95 Figure 8-10. Leakage across
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NPSH 97 Figure 8-13. Plate inserts
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NPSH 99 Figure 8-17. Influence of p
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NPSH 101 Figure 8-19. Estimating K
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NPSH 103 Step 3: Determine KI* From
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Figure 8«22. Calculating NPSHA for
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NPSH 107 Figure 8-24. NPSHR cavitat
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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
Page 166 and 167: Figure 10-13. Seven-stage pump dest
Page 178 and 179: Pipeline, Waterflood and COa Pumps
Page 188 and 189: 11 By Edward Gravelle Sundstrand Fl
Page 190 and 191: High Speed Pumps 175 History and De
Page 192 and 193: High Speed Pumps 177 Figure 11-2. (
Page 194 and 195: High Speed Pumps 179 some portion o
Page 196 and 197: High Speed Pumps 181 This is to say
Page 198 and 199: High Speed Pumps 183 This expressio
Page 200 and 201: High Speed Pumps 185 Figure 11-3. P
Page 202 and 203: High Speed Pumps 187 As an aside, p
Page 204 and 205: High Speed Pumps 189 Figure 11-5. I
Page 206 and 207: High Speed Pumps 191 Figure 11-7. I
Page 208 and 209: High Speed Pumps 193 Figure 11-9. R
Page 210 and 211: High Speed Pumps 195 Figure 11-10.
Page 212 and 213: High Speed Pumps 19? Figure 11-11.
Page 214 and 215: High Speed Pumps 199
Page 216 and 217: High Speed Pumps 201 Figure 11-13.
Page 218 and 219: High Speed Pumps 203 nal bearings a
Page 220 and 221: High Speed Pumps 205 Barske, U, M.,
Page 222 and 223: Double-Case Pumps 207 jected to ext
Page 224 and 225: Double-Case Pumps 209 Figure 12-3.
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Double-Case Pumps 211 Figure 12-4.
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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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Double-Case Pumps 221 Figure 12-12.
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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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