Tek-Tips is the largest IT community on the Internet today!
Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!
-
Congratulations TugboatEng on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!
Recent content by ALD Mechanical
-
Hydronic pressure loss mystery
Good point Littleinch, I will see what I can dig up for some mechanical drawings. The main heating loop is constantly flowing to provide heat to the heat exchangers, radiant and re-reheat systems, however, I do recall seeing 2 in-floor loops as well as a couple heat trace loops for keeping the...- ALD Mechanical
- Post #5
- Forum: HVAC/R engineering
-
Hydronic pressure loss mystery
We keep the water feed isolated to the system but it is located at the inlet to the expansion tank. Static pressure at the boilers usually sits at 25PSI. Expansion tank pressure is the same as the boiler pressure, 25PSI. The very top of the system is 15PSI, air separators/eliminators are open...- ALD Mechanical
- Post #3
- Forum: HVAC/R engineering
-
Hydronic pressure loss mystery
Hey all, I’m new to this forum but looking for some help. I am the Chief Operating Engineer in a large multi-building complex. We are running a hydronic hot water heating system. The boiler room is located on the 6th floor level with 2 floors above. Heating water from the boilers flow from the...- ALD Mechanical
- Thread
- Replies: 8
- Forum: HVAC/R engineering
