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Hydraulic Affinity Laws
Copyright 2003 - Peter R. Stech
The affinity laws are based on common equations. Move cursor over text to view Equations.

Enter Data and click on "Calculate" button.

Data Input

Result

Project:        
Prepared by: 

Date Prepared:

Calculator Result Click here to see the calculator  

 Need a Calculator to determine input? Click on 
Calculator Icon in the Box to the left. Calculate the 
new Value, copy and paste into the desired cells!

Original Speed 

rpm  

 

  

New Speed 

rpm Speed Ratio

-

Original Flow

gpm

 New Flow

gpm
Original Head

ft New Head

ft

Original Power

HP New Power

HP