An6 fittings from hard to flex lines

I've been searching, and it seems that there are two different -AN styles for hard lines. Compression fittings that use a brass ferrule and the 37 degree flare type. Is one better than the other?

Thanks!

I used a tube and flare.

I have had good luck with the 37 flare fittings. Get a good flaring tool and you should have no problems. Also do not use seamed tubing

Depends on what your doing but I have used both.

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Originally Posted by absintheisfun

I've been searching, and it seems that there are two different -AN styles for hard lines. Compression fittings that use a brass ferrule and the 37 degree flare type. Is one better than the other?

Thanks!

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I made this video 5 years ago:

https://www.youtube.com/watch?v=46hFmkTGGV8

Shows you everything that you need.

Andrew

Thank you for the input. I have a good flaring tool and had planned on going that route-it was only recently i learned of the other type. Just wanted to make sure I was still good with the 37 flare.

I would use a 37 degree flare over a ferrule. It all comes down to proper prep and a quality flaring tool!

My video shows everything you need to know, including the tool, which, as I recall, wasn't very expensive.

Andrew

I have used both and they work great

Both ways work. I prefer the stainless industrial brand compression fittings like swagelok

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Originally Posted by protour_chevelle

Both ways work. I prefer the stainless industrial brand compression fittings like swagelok

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Yup, this is what i used. https://www.ham-let.com/catalogue/product/14364