February 2022

  1. How do variable speed drive (VFD) pumps work ?

    How do variable speed drive (VFD) pumps work ?
    With nearly half of the world’s energy consumption attributed to motors and a larger percentage of these fitted to pumps, the introduction of variable speed drives has made a huge impact on the efficiency and reliability of pumping systems globally. Ever wondered why most cold water booster sets and many circulator pumps all use this technology? This blog will give...
  2. How to size expansion vessels and pressure vessels?

    How to size expansion vessels and pressure vessels?
    The selection and sizing of vessels is very important depending on the application type and system characteristics. Many a pump has failed due to too many starts because of incorrectly specified pressure vessels, and undersized expansion vessels can cause a range of failures. This blog will give you a quick guide on how to size both expansion vessels for heating/cooling...

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