Gauge location
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Dear experts: I have a humble question – is the pressure gauge for the return water in the open-loop cooling system located ahead of or behind the valve in the upper tower?
Personally, I think it’s before the valve; not sure
The former part represents the actual backflow pressure.
What is the main purpose of installing a pressure gauge?
It should be at the front end, so that the pressure in the return pipeline can be reflected
The return water pressure should be measured in front of the valve