In your last photo (CloseUp2), where you’ve circled the red compression union… directly ABOVE that, there are two steel lines joined correctly with a flare union. THAT is how it’s supposed to be done.
In your last photo (CloseUp2), where you’ve circled the red compression union… directly ABOVE that, there are two steel lines joined correctly with a flare union. THAT is how it’s supposed to be done.