Flaring metal fuel lines....for rubber hose - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 09-20-2003, 04:57 AM   #1 (permalink)
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Flaring metal fuel lines....for rubber hose

I'm fully aware of a flaring tool that flares metal lines to accept compression fittings.
(similar to this)
http://www.stu-offroad.com/misc/images/ft-0.jpg
I'm not looking for information about these.


But is there a flaring tool that will put *barb* like flares on metal tubing to accept rubber hose?

Reason I'm asking - On a my Jeep, the fuel filter has a plastic casing with a plastic barbed end that mates up to rubber fuel line (a hose clamp holds the rubber line). This rubber fuel line also mates up to the hard line on the frame rail. I haven't had this apart - but I can only assume there is some type of barb at the end of the hard line which prevents the hose from sliding off after adding a hose clamp.

Wondering if I can cut off a few inches of hard line (easily) for more clearance piece of mind (relocating the fuel filter).
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Last edited by Janster; 09-20-2003 at 05:05 AM.
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Old 09-20-2003, 08:21 AM   #2 (permalink)
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yes there is a tool.


call these guys http://www.irvansmith.com/

thay have a tool that will put a little ripple in the hard line to hold the hose on.

think of a aluminum radiator inlet that has the little raised ring on the tube.
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Old 09-20-2003, 08:25 AM   #3 (permalink)
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I don't know why you'd bother. I have a high pressure EFI line clamped onto a 'flat' hardline and it works fine. I double clamped it with 180 degree offset EFI clamps, just in case.

Bryan
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Old 09-20-2003, 08:53 AM   #4 (permalink)
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Quote:
Originally posted by Oxjockey
I don't know why you'd bother. I have a high pressure EFI line clamped onto a 'flat' hardline and it works fine. I double clamped it with 180 degree offset EFI clamps, just in case.

Bryan
I have seen these fail all to often. At least flare the end of it so it doesnt come shooting off at the worst possible time. When it comes to gas i dont mess around. I value my life and my rigs way to much!
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Old 09-20-2003, 09:21 AM   #5 (permalink)
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I just use a regular flaring tool. Instead of flaring the end first, I just put the double flare adapter in right away and make a "bubble" on the end of the tube.
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Old 09-20-2003, 12:31 PM   #6 (permalink)
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Why not flare the end with a 'nut' on it then install a barbed hose fitting?
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Old 09-20-2003, 04:46 PM   #7 (permalink)
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Quote:
Originally posted by KWTMECH
Why not flare the end with a 'nut' on it then install a barbed hose fitting?
There is no nut.....

There are no compression fittings on the fuel filter - just straight hard line and rubber hose.
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Old 09-20-2003, 05:32 PM   #8 (permalink)
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Just use a combo ferrule type compression fitting with NPT threads on the other end and then use a NPT/barbed fitting for the rubber line. Might be a whole $5 in parts.
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Old 09-20-2003, 05:58 PM   #9 (permalink)
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We use these these daily in an aircraft mod shop.
Kind of pricey but will last and give you perfect tube beads

http://www.aircraft-tool.com/shop/de...ODUCT_ID=AP145


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Old 09-20-2003, 06:06 PM   #10 (permalink)
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Quote:
Originally posted by zags
I just use a regular flaring tool. Instead of flaring the end first, I just put the double flare adapter in right away and make a "bubble" on the end of the tube.
This works great. Just stop after the bubble is formed don't go as far as you would for a flare.
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Old 09-20-2003, 06:07 PM   #11 (permalink)
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I'm with zags on using a double flairing tool and just doing the first step...

But these are about as cheep as it gets for anything larger
http://www.holley.com/HiOctn/ProdLin.../TubeBead.html
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Old 09-20-2003, 07:53 PM   #12 (permalink)
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Quote:
Originally posted by Janster


There is no nut.....

There are no compression fittings on the fuel filter - just straight hard line and rubber hose.
I am talking about the nut that comes on the end of the tubing in the stores. You can buy these separatly and can buy a fitting that threads on.
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