The guidelines present a simple method that will help pump users predict normally attainable efficiency levels at the best efficiency point (BEP) for selected types of rotodynamic pumps when the rate of flow, total head per stage, net positive suction head available (NPSHA), and the service conditions are known.
The guidelines contain information that explains how surface roughness and internal pump clearances affect pump efficiency and help users understand the power consumption and efficiency loss created by bearings, lip seals, mechanical shaft seals, and shaft packing.
The book covers these pump types:
- Slurry, end suction
- Solids-handling, end suction pumps
- Submersible sewage, end suction
- Stock, end suction
- Horizontal multistage, axial split, segmented ring diffuser barrel
- ASME B73, API end suction, end suction – small
- End suction – large (greater than 0.3 m3/s (5000 gpm)
- API double suction
- Double suction, general service
- Vertical turbine, mixed-flow and propeller, single and multistage diffuser type
“The data used to develop the material contained in this guideline is based on actual test results from many different rotodynamic pump manufacturers,” said Gregg Romanyshyn, technical director of HI. “The pump community now has a reliable, easy-to-apply method to estimate rotodynamic pump efficiency and compare attainable efficiency levels for different pump types, including factors that influence efficiency.”
HI Pump Standards are widely accepted references for anyone involved in pumps, including users, consultants, contractors, construction firms, manufacturers of pumps, seals, motors, instrumentation, controls, and pump software developers and systems integrators.
Comments
plakhapate said
05 March 2011
What is the price of this book?
Where is it available?
P.J.LAKHAPATE
plakhapate@gmail.com
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