I operate the utility system on a large campus and in an effort to get the energy use under better control I am planning on replacing the current steam sub-meters with newer ones with some better communication options. The current ones (shedders) are pushing 15 years old and have some turndown...
I have a system on a district CHW system that operates at a fairly high pressure ~130 psi static supply and ~95 psi static return. my question is in sizing control valves. I have been installing valves with a 125 psi close off rating based on the high operating pressure. Though several people...