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Old 11-03-2022, 03:33 PM
Walt's Avatar
Walt Walt is offline
Join Date: Aug 2005
Location: Dallas/Ft Worth, TX
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Originally Posted by N427EF View Post
A return valve is what I installed.
It solves your concern over a damaged fuel return line, I assume you are thinking of an accident scenario where your return line would uncontrollably spill fuel from the tank to a firewall forward location?
A simple check valve at the tank would take care of that with no pilot action req'd.
Walt Aronow, DFW, TX (52F)

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Old 11-03-2022, 03:52 PM's Avatar is offline
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Default I use a Tee…

I have a -4 line that passes the firewall out of the way near the brake reservoir then down through the tunnel to a -6 tee with a -4 adapter in the feed piping near the co-pilots seat… never an issue for me. There is probably a small amount of air introduced here and there to equalize the head pressure when the line is dead headed but it is small and has never been an issue.

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