The message is possibly controversial, yet quite simple: Selection is all about fan total pressure. The article is a bit more complex, with discussion of what the author sees as confused logic, accompanied by multiple illustrations to back up his premise. Take a look for yourself - when it comes to proper selection methodology, the pressure is on.
From a missing pipe hanger three floors down to steam traps past their prime, these stories show how steam system problems can originate inside the boiler room or far beyond it. Read more in February issue.