Recent content by Francois4Pres

Ok that makes sense... And typically closed tanks has either a bladder (diaphragm) or a non bladder (plain closed). Thanks again for your input. Think the rest I can do.

Thanks. I have found guidelines to sizing a expansion tank, now what is the main deference between a closed expansion tank and a open expansion tank? Open tank is open to the atmosphere ... but a closed tank, does it have a air nozzle so as the pressure increases does it let out air? or...

Hi. Im a post graduate student but worked in the HVAC industry for almost 3 years but mostly done refrigeration and VRV systems which i designed etc... Had done some minor chilled water system designs but never got to the construction phase. Have a couple of questions and looking for some...