Question: Is the service valve a backup valve or a maintenance valve?
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What exactly does a service valve mean? I searched on Baidu, and the explanations found were: backup valve ； maintenance valve ； Auxiliary valve ； There’s also a “gas supply branch valve” – what the hell is that? Question: What exactly does \"service valve\" mean? Are the above explanations applicable to different valves used for different purposes, in different types, and at different locations?
A service valve is any valve that isolates a device or apparatus from the rest of the system in a piping system.
It is a valve in the piping system that can separate a device or apparatus from the rest of the system; it resembles more a function of a isolation valve
Thank you to the kind person upstairs for their help! :handshake