Centrifugal Pump Selection and Sizing - Calgary Pump Symposium ...

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Specific Speed - Guidelines - typical process pumps have Ns between 500 <strong>and</strong> 1,800 - limited choices of supplier below 500 - pumps with Ns 1,800 – 2,400 are less desirable (reduced range of acceptable operation) - <strong>Pump</strong>s with Ns > 2,400 should be avoided 25
Page 1 and 2: Centrifugal Pump Selection and Sizi
Page 3 and 4: Pump types - Vertical In-line Pump
Page 5 and 6: Pump types - Between-Bearing Pump (
Page 7 and 8: Pump Selection - Old School 7
Page 9 and 10: The Goal • We want to select and
Page 11 and 12: Pump Selection - order of preferenc
Page 13 and 14: Relative Costs - example 1 • 200
Page 15 and 16: Relative Costs - example 3 • 200
Page 17 and 18: Overhung Pumps - Typical Coverage P
Page 19 and 20: VIL Pumps - Typical Limits • Tip
Page 21 and 22: VIL Pumps: Rigidly-coupled (OH4) ty
Page 23: Specific Speed (Ns) - a ‘dimensio
Page 27 and 28: Suction Specific Speed (Nss) - Guid
Page 29 and 30: Minimum Flow - Guidelines Recircula
Page 31 and 32: Other Considerations • Nozzle Vel
Page 33 and 34: Lets Size some pumps! 33
Page 35 and 36: Estimating the Head Coefficient •
Page 37 and 38: Worked Example: H= 170 ft, Q= 2000
Page 39: Overhung Pumps - Typical Coverage P
Page 42 and 43: Typical Casing Sizes Pump Speed Q (
Page 45 and 46: Worked Example: H= 380 ft, Q= 1750
Page 48 and 49: Sizing Spreadsheet • Arrange the
Page 50 and 51: Pump Standards (North American) •
Page 52 and 53: General Info - API 610-10th • Per
Page 54 and 55: ANSI B73.1 - Typical Coverage ANSI
Page 56: Questions? 56

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