Norm Hall
/
October 12, 2020
The installation of hydronic and steam flow meters often involves a term simply stated as “minimum pipe diameters.” You may hear that a meter or... READ MORE
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Circuit Setter Balance Valve and Flow Meter Sizing and Turndown
Norm Hall
/
October 5, 2020
We recently received an email from an engineer in Western Michigan concerning a low-flow, high-head pump process application and the proper balance valve specification. This... READ MORE
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When using multiple parallel condensers with constant speed pumps, the flow rate at part load may be excessive and problematic. Our last blog on this... READ MORE
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The design and flow balance in systems with multiple parallel condensers is straight forward. We should expect no issues at full capacity. What happens when... READ MORE
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It is important to check the single pump operation when balancing parallel pumps for multiple constant speed cooling tower pumps. The condensers and pumps are... READ MORE
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It is important to check the single pump operation when selecting parallel pumps for multiple constant speed cooling tower pumps. In the last R. L.... READ MORE
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The blistering hot weather here in southeast Michigan caused me to turn my attention to cooling tower pumps and their control. Cooling tower pump control... READ MORE
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In the last R. L. Deppmann Monday Morning Minutes, I offered a couple of reasons why an engineer would schedule a larger impeller than needed... READ MORE
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Engineers schedule a pump capacity in GPM and head along with the horsepower. The pump manufacturer traditionally trims the impeller from the maximum size, also... READ MORE
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