waterhorse
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I see this constantly in residential plumbing, automotive, etc.
Only use teflon tape on tapered pipe fittings, never on ferrule or JIC types.
Teflon tape intereferes and prevents the JIC or Ferrule type from fully mating for a leak free seal.
If you do use Teflon tape correctly on tapered pipe threads the first thread on the end should be left un taped so no Teflon will contaminate.I rigged a boat years ago for myself. I read somewhere that you weren't supposed to use Teflon tape with gasoline fittings because you could contaminate the system. Leaked like a sieve. Spoke to some engineers where I worked and they just laughed. An absolute must.
I rigged a boat years ago for myself. I read somewhere that you weren't supposed to use Teflon tape with gasoline fittings because you could contaminate the system. Leaked like a sieve. Spoke to some engineers where I worked and they just laughed. An absolute must.
If you do use Teflon tape correctly on tapered pipe threads the first thread on the end should be left un taped so no Teflon will contaminate.
Edit...You could apply a small amount of Never Sieze paste to the threads for lubrication but keep the angled sealing surfaces clean.What about a copper union?
[/QUOTE
If it's clean it's good'
Yep, same thinking. If 6 inches is good 3 yards is better.Same reason why I keep finding wire nuts wrapped in 3 yards of electrical tape on houses I renovate...
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It does both when used properly on tapered pipe threads only.I always thought Teflon tape was used as a lubricant. Not for sealing purposes..
If you need Teflon tape to keep an AN, ferrule, or other type of seated fitting from leaking then there is something wrong with your fitting.
"Megaloc"I hate teflon tape, I use a liquid / paste type sealer on all my pipe fittings, you can wipe the excess off and not see that crap.
It left me a bit chafed.I always thought Teflon tape was used as a lubricant. Not for sealing purposes..
You wrapped it in the wrong direction.It left me a bit chafed.
Biggest reason AN fittings leak is operator error from over tightening and/or not putting oil on the threads before assembly.
100% agree. I made up an LPG line two days ago and did exactly this.If you do use Teflon tape correctly on tapered pipe threads the first thread on the end should be left un taped so no Teflon will contaminate.
Or galled threads.
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Or improper alignment.
Cross thread is better than loc-tite
I was told to use a minimum of 3 wraps with T tape, is 5 wraps to much?
Serious question—— what is to little and what is to much? If the answer is just enough so it doesn’t leak, how many wraps is that?
One of my guys uses the paste all the time on pipe fittings and gets that shit everywhere...drives my fukin nuts...
I was told to use a minimum of 3 wraps with T tape, is 5 wraps to much?
Serious question—— what is to little and what is to much? If the answer is just enough so it doesn’t leak, how many wraps is that?
Only if your applying that Rectumseal dope improperly or cross thread the install.This reminds me of Rectorseal pipe dope. Not only is it drippy and the excess gets on everything, it smells like shit and that stays on you.