Major Stare
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| posted on 31/3/08 at 09:01 PM |
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Sealing unions on fuel rail... with what?
I have tapped and threaded my billet fuel rail to accept the threaded unions.
But, how to i seal these?
Plumbing thread tape isnt ideal and will corrode with contact of fuel.
Could i use locktite thread lock?
Jon "FISH"
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imp paul
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| posted on 31/3/08 at 09:18 PM |
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try copper washers to seal fittings
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Major Stare
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| posted on 31/3/08 at 09:20 PM |
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tried but not convinced.
Want something to seal the threads?
Jon "FISH"
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Confused but excited.
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| posted on 31/3/08 at 09:27 PM |
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PTFE tape will not corrode.
Tell them about the bent treacle edges!
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daviep
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| posted on 31/3/08 at 10:14 PM |
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What type of fitting have tapped the rail to accept?
Tapered threads (npt, bspt) seal on the threads using ptfe tape or thread paste such as swak or a loctite type pipe sealant.
Most other fittings seal on the faces using copper or dowty washers or o rings.
Alternatively there may be a conical metal to metal seal such as JIC or BSP.
Just a few examples, but basically every fitting is designed to achieve a reliable seal if made up correctly.
So again what type of fitting/connection are you using?
Davie
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v8kid
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| posted on 1/4/08 at 05:53 AM |
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PTFE tape is the standard reccommendation. I use the thicher "one wrap" gas tape and wrap it untill I can't see he threads.
I presume you are using tapered threads? BSP or NPT. If not you need a fitting with a shoulder and use a copper washer - but your tapping has to be
perfectly ay 90 degrees or it will leak.
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Major Stare
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| posted on 1/4/08 at 06:37 AM |
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Cheers guys.
The unions look like this....
and are tapped into a fuel rail very similar to this.....
Jon "FISH"
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Peteff
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| posted on 1/4/08 at 08:37 AM |
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Red Foliac jointing compound is fuel
and oil resistant.
yours, Pete
I went into the RSPCA office the other day. It was so small you could hardly swing a cat in there.
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02GF74
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| posted on 1/4/08 at 08:57 AM |
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^^^ thos look like standard 6 or 8 mm hose tails - you can buy them with tapered thread - ofcourse no use if you have tapped to some other size.
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Major Stare
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| posted on 1/4/08 at 08:09 PM |
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That Red Foliac looks just the stuff. 
Jon "FISH"
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Major Stare
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| posted on 1/4/08 at 08:46 PM |
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e-Bay does have its uses. This should do the job !!!
Jon "FISH"
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violentblue
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| posted on 2/4/08 at 04:36 PM |
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quote:
Originally posted by Peteff
Red Foliac jointing compound is fuel
and oil resistant.
yup pipe dope is what we call it around here. thats the stuf to use
a few pics of my other projects
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Major Stare
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| posted on 2/4/08 at 09:35 PM |
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quote:
Originally posted by Major Stare
e-Bay does have its uses. This should do the job !!!
Would this also work?
Jon "FISH"
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stevebubs
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| posted on 2/4/08 at 11:28 PM |
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If you're not planning on removing them, braze them on....
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Major Stare
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| posted on 3/4/08 at 06:19 AM |
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Not planning on removing it and dont have access to braze them on.
Will the stuff i posted i link to work?
Jon "FISH"
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