Question: I have selected my piping friction loss based on water, but I am pumping a glycol solution. What correction do I use? Answer: There are three glycol corrections when designing a hydronic or process cooling system; heat transfer correction, pressure drop correction, and pump curve correction. This R L Deppmann Monday Morning Minute defines the second of three glycol corrections. [Read more…]
When should you choose to use a gasketed plate, brazed plate, or shell and tube heat exchanger? Often in HVAC, plumbing, or industrial systems any …
When should you choose to use a gasketed plate, brazed plate, or shell and tube heat exchanger? Often in HVAC, plumbing, or industrial systems any …
Plate heat exchangers have been around for over one hundred years but only made their debut in HVAC systems in the last 50 years. They …
There are a variety of unfired liquid to liquid and steam to liquid heat exchangers for the engineer to choose from. The Gasketed Plate, Brazed …
Decarbonization does not always automatically become electrification. The enterprising engineer will first look at diverse ways to reduce the carbon use. Here is an example …
Welcome back to Part Two of our top 10 things to know about commercial electric boilers. As mentioned last week, HVAC and Plumbing Engineers are …
HVAC and Plumbing Engineers are discussing more decarbonization and electrification of systems with their clients. The use of electric boilers vs. gas fired condensing boilers …
Heating and cooling service contractors take the brunt of complaints over the high cost of condensing boiler repairs. A high efficiency condensing boiler heat exchanger …
Circulator series pumps are those small inline pumps that have fixed impeller choices with no impeller trimming available. When these pumps have ECM technology, the …