Search results for query: *

Boiler pressure is 60 psig. The boiler is on the Operating flor and tempering tank is on the lower level. What should be the head taken for calculation?

i am aware of this requirement but please read the whole situation. How do usually hot water boiler is drained. the water is 230 f and can't drain it to the floor drain? what is required a tempering tank or shall we cool down the boiler and than drain it? what is the circumstance under the...

we have a tempering tank to cool down the water from the boiler drain. this is a hot water boiler. now tempering tank has 10 inch inlet and 10 inch outlet. do i need a valve on outlet side to drain the water from the tempering tank or can i just reduce the connection to 2 inch and attach a...

I am talking about HVAC shafts. HVAC ducts are passing through these shafts. Per NY CITY builidng code, title 27/subchapter 5, 27.344: " all closed shafts have to be vented". Now smoke vent provision is also not feasible in my case, as vents would be sticking out of the ground, and the ground...

hAVE YOU EVER SEEN SPRINKLER SYSTEM PROVIDED AT THE TOP OF THE SHAFT INSTEAD OF THE VENT?

In our project we have 4 hot water heating boilers. 3 working and one standby.There are 3 primary pumps with VFD, 2 working one stand by and also seccondary pumps with VFD which serve different loops of Air handling units, H & v UNITS, CONVECTORS ETC. If there is a demand during winter the...

we are the consulting engineers so we need to figure it out.

I am asking about hot water boiler.I need to figure out the boiler operating pressure and relief valve setting at the boiler. I know per ASME SECTION IV THE relief valve design pressure is 125 psig,but what will be the setting pressure? what is the boiler operating pressure? i asked...

If anyone can help me in understanding this term. Is this the pressure at the bladder tank? how can i calculate operating pressure at my boiler? design pressure is 125 psig and supply temp : 220 f and return: 180F.