Doug .. for a return fuel line the Banjo fitting that George recommended is the best for the application .. I have my tank out and I welded on a 90 degree 1/2 NPT to 12AN adatper. that will be my fuel supply.
Swadgelok is for Sanitary Application in the Food and Drug Industry. .. the the level of quality and cost exceeds both our needs. I have piles of this stuff left over from completed jobs .. so I use it up when ever I can.
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