Pump Optimization with Large Impellers Part 2: Changing Pump Speed with a Variable Frequency Drive
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A retired engineer I know once said, "There is no glory in an undersized….”
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Pump Optimization with Large Impellers Part 1: Why Bigger Really Can Be Better
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Variable speed drives (VSDs) are less expensive and more reliable than a decade ago, paving the way for new best practices when specifying pumps. Traditionally, pumps have been specified with impellers trimmed to deliver peak load without overloading the pump motor. But is all that trimming necessary…?
Read MoreBest Practices for Hydronic Systems Part 10: Installation Measures to Ensure Performance and Longevity of Inline Pumps
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Location and installation of inline pumps requires planning. Otherwise, you could be setting the owner (or yourself) up for a lot of frustration. Here are some tips to ensure your inline pump is installed for….
Read MoreBest Practices for Hydronic Systems Part 8: What Every Engineer and Installer Needs to Know About Suction Diffusers
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Suction diffusers pack a lot of functionality inside their deceptively simple castings. Not only do they reduce turbulence in the water before it enters the pump, but they also play a critical role in….
Read MoreBest Practices for Hydronic Systems Part 7: Pump Pad and Grouting
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Base-mounted pumps must have a solid foundation to prevent vibration and misalignment that can transmit noise and damage the pumps bearing, coupler and shaft. The manufacturer’s instructions for building this foundation and installing the pump are….
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