How to Select the Right Centrifugal Pump: A Brief Survey of Centrifugal Pump Selection Best PracticesAuthorHouse, 30 de jul. 2015 - 144 pàgines Choosing a centrifugal pump from the countless options available can be daunting, but someone has to make the decision. Many factors -such as the required flow, differential pressure, suction conditions, etc.- must be weighed against the capital costs and cost of energy for the pumps considered. To determine the right pump, you must consider the overall cost of ownership, which includes capital cost, operating costs, and maintenance cost. What good is a low cost pump if it is inefficient or if is costly to maintain? The selection methodology offered in this book focuses mainly on hydraulic design considerations, but it also touches on mechanical design details. Analyzing basic pump hydraulic parameters allows you to quickly determine if a centrifugal pump makes sense for your particular application. If you do decide a centrifugal pump will work for your application, then you need to be able to evaluate the various bids returned by pump manufacturers. A complete chapter is devoted to tabulating quotes from pump manufacturers in order to properly evaluate their bids and select the best overall option. |
Continguts
Can I Use a Centrifugal Pump? | 1-17 |
How Good Pumps Become Bad Actors | 1-37 |
10 Pump Selection Rules of Thumb | 1-56 |
Bid Tabulations | 1-65 |
The most important day in a pumps lifetime | 1-73 |
The Pump Selection Process | 1-76 |
Appendix A How to Calculate Pipe Friction Head Losses for Newtonian Fluids | 1-80 |
Appendix B Mechanical Seal Selection Primer | 1-95 |
Centrifugal Pump Selection Checklist | B-12 |
Useful Conversions | B-16 |
Altres edicions - Mostra-ho tot
How to Select the Right Centrifugal Pump: A Brief Survey of Centrifugal Pump ... Robert X. Perez Previsualització no disponible - 2015 |
How to Select the Right Centrifugal Pump: A Brief Survey of Centrifugal Pump ... Robert X. Perez Previsualització no disponible - 2015 |
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______ No ______ application available NPSHa BEP flow best efficiency point bid tab bid tabulation Brake horsepower calculations cavitation centrifugal pump Colebrook equation cost double seal double suction impeller ensure example feet Figure A4 fluid ounce friction factor friction loss head losses head required horsepower hydraulic requirements impeller diameter impeller eye Inches per second inputs installed kilopascals laminar liquid level mechanical seal megapascals Newtonian Fluids NPSH margin ratio NPSHr Ns and Nss Nss value Number of stages options parameter piping system positive suction head process engineer pump centerline pump curve pump designs pump efficiency pump impeller pump manufacturer pump operation pump selection process pump’s pumping system reliability revolutions per minute Reynolds number seal chamber seal flush plan seal pot select a pump specific gravity suction eye suction flange suction piping suction specific speed system curve system head curve Table turbulent flow vapor pressure velocity viscosity Yes ______