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  • #: 236000
  • Price: $0.99 In Apple Store
  • Category: Utilities
  • Updated: 2009-11-20
  • Current Version: 1
  • 1
  • Size: 0.00 MB
  • Language: English
  • Seller: Michael LaRose
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.0 or later
  • © 2009 Michael LaRose
  •  Add to Favorite apps




There are two (2) calculators in this application. These calculators are based on the affinity laws for centrifugal pumps. You have the ability to calculate the flow rate, head, horsepower and cost to operate a centrifugal pump by varying the pump shaft speed or the impeller diameter. You can enter the operational time in days and hours.

I would suggest utilizing the performance curves from the manufacturer so you can determine what your pump efficiency will be at the operating parameters. As always, consult your vendor with the results obtained to ensure you have selected the correct pump, impeller, mechanical seal, bearings, motor, etc. to ensure you are getting the right pump for your application.

Please leave feedback regarding this application at our support site. We will take this information into account for the future updates.

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Affinity iPhone Screenshot 1
Affinity iPhone Screenshot 2

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Rated 4/5 based on 1 customer reviews.


4/5 stars

Great job and a handy tool

It would be nice to be able to save energy cost as a new default. Also having two motor efficiencies would be handy. All in all very easy to use.


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The information may be outdated (2011-04-30 21:08:12). For actual information go to iTunes

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