Grundfos Technical Institute

To Trim or Not To Trim? – That is the Question!






Course Length: 1 hour


There are lots of courses available on how to size a centrifugal pump. In the past the only solution in many cases was to trim the impeller to make it work properly or to close a valve to get the right flow.  Now with the use of Variable Speed Drives we have found new ways of doing things.  Do I still need to trim the impeller?  This course will answer that question.
Click the date to read some Q & A from previous live webinars:
June 7, 2016

The $BlueBucks ($BB) on this course are promotional! You have two options to use promotional $BB:
  • Apply them towards the payment of one of the following courses, or
  • Redeem them for gift certificates (in $25 increments) after you complete and pay for one of the following courses: