How to Pick a HVAC Centrifugal Pump Part 2: Types of Pumps and Seismic Considerations
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One of the first decisions one must make when selecting a pump is whether to use a base-mounted or an inline pump...
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How to Pick a Centrifugal Pump Part 1: Designing for Owner Satisfaction
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Hydronic pumps all do the same basic thing—they circulate water. So why are there so many different types and configurations? And what criteria determines the best pump for a given application? That’s what we will be exploring in this series on "How to...
Read MoreParallel Pumping in Condenser Applications: Part 5 of 5
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Over the last few weeks the we’ve looked at pumping issues with multiple condensers and pumps. We have received questions about the topic, including these two:
Why do I need cooling tower outlet On-Off valves if I have an equalizing line?
Why do we see outlet On-Off valves on almost all jobs in North Carolina and only half the jobs in Michigan and Northern Ohio?
Read MoreParallel Pumping in Condenser Applications: Part 4 of 5
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Over the last few weeks we've looked at pumping issues with parallel equal sized condensers and pumps. This week we will look at the parallel condenser systems where the condensers are different types or sizes.
Read MoreParallel Pumping in Condenser Applications: Part 3 of 5
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Chilled water condensers are normally operated as constant flow devices and the pumps serving them are constant speed. Why would you ever use a variable speed drive for a pump in this application? This week we show you a couple of reasons...
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