Expansion Tank: Difference between revisions
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*IT seems it does matter - process connection at top, so that trapped air bubbles can float up and out. [https://www.caleffi.com/usa/en-us/blog/about-my-expansion-tank#:~:text=The%20tank%20should%20be%20mounted,it%20can%20damage%20the%20bladder.]. If it's on the side, air can get trapped inside. This makes sense to me. Also - can corrode if it's on the side, or put more stress on the bladder [https://www.apswater.com/article.asp?id=257&title=Can+a+pressure+bladder+tank+be+installed+sideways]. | *IT seems it does matter - process connection at top, so that trapped air bubbles can float up and out. [https://www.caleffi.com/usa/en-us/blog/about-my-expansion-tank#:~:text=The%20tank%20should%20be%20mounted,it%20can%20damage%20the%20bladder.]. If it's on the side, air can get trapped inside. This makes sense to me. Also - can corrode if it's on the side, or put more stress on the bladder [https://www.apswater.com/article.asp?id=257&title=Can+a+pressure+bladder+tank+be+installed+sideways]. | ||
*Summary: always think of how the air escapes a pressure or expansion tank. This is for hot water system expansion tanks and RO tanks. But, for water storage (cold) tanks - this one indicates that orientation doesn't matter - could be because the cold storage tanks are built more heavy? Water storage tanks have more air - 2/3 air - [https://www.h2oequipment.com/blog/pressure-tanks-size/#:~:text=Most%20residential%20pressure%20tanks%20come,t%20hold%20that%20much%20water.]. Expansion tanks seem to have 1/2 air. | *Summary: always think of how the air escapes a pressure or expansion tank. This is for hot water system expansion tanks and RO tanks. But, for water storage (cold) tanks - this one indicates that orientation doesn't matter - could be because the cold storage tanks are built more heavy? Water storage tanks have more air - 2/3 air - [https://www.h2oequipment.com/blog/pressure-tanks-size/#:~:text=Most%20residential%20pressure%20tanks%20come,t%20hold%20that%20much%20water.]. Expansion tanks seem to have 1/2 air. | ||
*RO tank may work as an expansion tank [https://www.plbg.com/forum/read.php?1,602415] | |||
Revision as of 20:45, 11 April 2023
- Air side up in this mounting - [1]
- Some places say upside down matters - [2]. Supplyhouse says it doesn't matter [3].
- IT seems it does matter - process connection at top, so that trapped air bubbles can float up and out. [4]. If it's on the side, air can get trapped inside. This makes sense to me. Also - can corrode if it's on the side, or put more stress on the bladder [5].
- Summary: always think of how the air escapes a pressure or expansion tank. This is for hot water system expansion tanks and RO tanks. But, for water storage (cold) tanks - this one indicates that orientation doesn't matter - could be because the cold storage tanks are built more heavy? Water storage tanks have more air - 2/3 air - [6]. Expansion tanks seem to have 1/2 air.
- RO tank may work as an expansion tank [7]