Open Menu

Impeller Trim (Single Curve)
Copyright 2003 - Peter R. Stech
The Impeller Trim is 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)

ft or m

Based on Flow

inch or mm
Flow Q (Curve)

gpm or m3/hr Average

inch or mm

Impeller Dia.

inch or mm

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

Power m

-

Impeller Diameter D'

inch or mm