【Haichuan Pipeline Construction】What is the purpose of installing two pressure gauges here?
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What does it mean to install two pressure gauges here?
What are those two things above the pressure gauge? A check valve?
Fire pipes? They are the main water supply pipes used for pressure testing. Is the other line the end water testing device, used to measure the pressure at the most unfavorable point in the pipeline?
The one on the right isn’t finished installing yet, right? My understanding is that one pump is in use while the other serves as a backup; a pressure gauge is installed in front of the outlet valve of each pump. When pump #2 is started, the outlet valve of pump #1 is closed, and accordingly, the pressure gauge associated with it no longer shows any reading!