Is it better to bury the circulating water pipes directly in the ground or to run them in trenches, in order to prevent freezing?
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Is it better to bury the circulating water pipes directly in the ground or to run them in trenches, for frost prevention?
To be more specific, ducts are easier to maintain, while those buried directly are fewer.
This post was last edited by ylb913 on 2018-8-31 at 12:11. We do the opposite of what is done on the second floor; since we use direct burial methods, there is no need for ducts. The advantage is cost savings, while the disadvantage is that seepage is difficult to detect once it occurs.
Agree with the view from the third floor; circulating water is not easy to leak
Agree with the view from the third floor; the top elevation of directly buried pipes just needs to be below the depth of the permafrost layer~~~ There will be no issues with freezing protection~~~
Circulation water pipelines are quite large, and they are quite heavy when in use... Normally, they should be buried underground in the design
The few small units I’ve worked on were all buried directly underground; as long as the anti-corrosion measures are proper, there shouldn’t be any major problems