How to Pick a Centrifugal Pump Part 9: Over Speeding HVAC Pumps & Motors

How to Pick a Centrifugal Pump Part 9: Over Speeding HVAC Pumps & Motors

There are times when slightly more capacity or a little more safety factor is warranted in a pump selection. Often we are asked about increasing the speed of the motor above the nameplate rated RPM. There are several things to examine.... 

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How to Pick a Centrifugal Pump Part 8: Motor Speed Considerations

How to Pick a Centrifugal Pump Part 8: Motor Speed Considerations

How does RPM (revolutions per minute) impact pump operation? And what RPM is best suited for hydronic applications? A pump’s RPM or “synchronous speed” is determined by the number of magnetic poles in the motor winding as they interact with...

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How to Pick a Centrifugal Pump Part 5: Choosing a Single or Double Suction Pump

What are the differences between a single and double suction pump and what advantages does one have over the other? That’s what we are exploring this week. The central difference between a single and double suction pump is the latter has an impeller designed to....

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