ON DEMAND
To Trim or Not To Trim? – That is the Question!
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.
Participants will learn and/or understand:
- Reading and Interpreting the pump curve – Explain what the information means
- Understanding the effect of trimming an impeller on the pump performance curve
- Evaluating and using the pump efficiency curves to make pump decisions
- Understanding the effect of trimming the impeller has on pump efficiency and power usage
- Evaluating the use of variable speed motors on pump curves and pump efficiency
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