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Impeller Trim (Interpolation between 2 Curves)
Copyright 2003 - Peter R. Stech
The Impeller Trim is based 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!

New Head H'

ft or m

New Impeller Diameter

New Flow Q' 

gpm or m3/hr Based on Head

inch or mm
Head H (Curve 1)

ft or m Based on Flow

inch or mm
Flow Q (Curve 1)

gpm or m3/hr Average

inch or mm
Diameter (Curve 1)

inch or mm      

Head H (Curve 2)

ft or m

m based on Head

-
Flow Q (Curve 2)

gpm or m3/hr m based on Flow

-

Diameter (Curve 2)

inch or mm

Use the diameter below and add tolerances (HI and/or machining) as required! Click here for limitations!

 

 

 

Impeller Diameter D'

inch or mm