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What is a variable primary chilled water system? How does it differ operationally from a primary/secondary system? And why might you choose one chilled water design approach over the other? In this series on Variable-Primary Chilled Water Systems, we’ll be answering…
Read MoreIn our last blog, we determined that we required a 56 PSI pressure boost in our 100 Room Apartment example. Previous to that we determined (using the Hunters Curve) that we had a maximum total demand of 180 gpm. With these two values we are now prepared to select…
Read MoreToday is a big day. We are about to complete our Pressure Booster Selection Procedure worksheet so we can select a pressure booster. But before we do that…
Read MoreWhen sizing a pressure booster you should always begin with a simple sketch of the system, including…
Read MoreIn our previous blog we explained the physics behind that noisy, destructive phenomenon known as cavitation – the result of too little NPSH at the suction of the pump. Today we’re going to dig a little deeper into…
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